G7V Star System Generated (Seed: 1767011110)

Star Details

Spectral Class: G6V

Temperature: 5,480 K

Mass: 0.97 sol

Luminosity: 0.9 lux

Habitable Zone (HZ)

Inner Boundary: 0.9 AU

Outer Boundary: 1.3 AU

Physical Limits

Snow Line: 4.55 AU

Max System Radius: 19.7 AU

Planetary System (10 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.58 AU - 0.92 AU

Year: 241 Days

Day: 45.7 Hours

Environment

Temp: 168 °C

Axial Tilt: 3.5 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.65 AU - 1.01 AU

Year: 280 Days

Day: 15.8 Hours

Environment

Temp: 109 °C

Axial Tilt: 6.8 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.88 AU - 2.48 AU

Year: 1194 Days

Day: 36.9 Hours

Environment

Temp: -79 °C

Axial Tilt: 39 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,979,063 km

  • M1: 117,135 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.81 AU - 2.65 AU

Year: 1235 Days

Day: 16.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 37.3 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,979,063 km

  • M1: 54,603 km (0.1 R)
  • M2: 1,491,491 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.85 AU - 2.79 AU

Year: 1310 Days

Day: 42.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 34.3 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.69 AU - 3.47 AU

Year: 2005 Days

Day: 47.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 6.2 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,979,063 km

  • M1: 1,164,320 km (0.114 R)

Asteroid Belt

Center: 4.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.6

Radius: 15

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.16 AU - 5.86 AU

Year: 4797 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.1 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (79)

Outer Limit: 103,979,063 km

  • M1: 208,091 km (0.091 R)
  • M2: 327,619 km (0.117 R)
  • M3: 464,501 km (0.071 R)
  • M4: 640,279 km (0.113 R)
  • M5: 893,847 km (0.077 R)
  • M6: 999,763 km (0.115 R)
  • M7: 1,422,975 km (0.093 R)
  • M8: 1,663,977 km (0.116 R)
  • M9: 1,884,185 km (0.094 R)
  • M10: 2,114,267 km (0.049 R)
  • M11: 2,641,898 km (0.078 R)
  • M12: 2,900,852 km (0.101 R)
  • M13: 3,126,745 km (0.08 R)
  • M14: 3,252,407 km (0.105 R)
  • M15: 3,816,840 km (0.091 R)
  • M16: 3,974,217 km (0.078 R)
  • M17: 4,554,058 km (0.08 R)
  • M18: 4,890,504 km (0.045 R)
  • M19: 5,435,788 km (0.095 R)
  • M20: 5,715,835 km (0.116 R)
  • M21: 5,818,908 km (0.092 R)
  • M22: 6,053,029 km (0.097 R)
  • M23: 6,370,027 km (0.084 R)
  • M24: 6,692,560 km (0.113 R)
  • M25: 7,186,682 km (0.058 R)
  • M26: 7,353,932 km (0.117 R)
  • M27: 7,579,077 km (0.083 R)
  • M28: 7,835,188 km (0.109 R)
  • M29: 7,978,653 km (0.115 R)
  • M30: 8,590,957 km (0.102 R)
  • M31: 8,887,909 km (0.117 R)
  • M32: 9,248,739 km (0.07 R)
  • M33: 10,454,797 km (0.085 R)
  • M34: 10,581,207 km (0.107 R)
  • M35: 11,253,799 km (0.114 R)
  • M36: 12,006,426 km (0.115 R)
  • M37: 12,172,180 km (0.057 R)
  • M38: 12,640,422 km (0.109 R)
  • M39: 12,876,786 km (0.102 R)
  • M40: 13,975,882 km (0.078 R)
  • M41: 14,080,451 km (0.113 R)
  • M42: 14,325,642 km (0.074 R)
  • M43: 15,212,458 km (0.119 R)
  • M44: 15,463,932 km (0.111 R)
  • M45: 15,753,105 km (0.036 R)
  • M46: 15,898,364 km (0.099 R)
  • M47: 16,117,076 km (0.058 R)
  • M48: 16,373,487 km (0.071 R)
  • M49: 16,890,497 km (0.102 R)
  • M50: 17,113,697 km (0.103 R)
  • M51: 17,487,991 km (0.08 R)
  • M52: 17,789,281 km (0.089 R)
  • M53: 18,054,369 km (0.108 R)
  • M54: 18,244,508 km (0.102 R)
  • M55: 19,438,299 km (0.109 R)
  • M56: 19,828,749 km (0.078 R)
  • M57: 20,143,054 km (0.072 R)
  • M58: 20,300,880 km (0.104 R)
  • M59: 20,419,361 km (0.112 R)
  • M60: 20,736,808 km (0.118 R)
  • M61: 22,185,215 km (0.088 R)
  • M62: 22,675,297 km (0.117 R)
  • M63: 23,003,964 km (0.087 R)
  • M64: 23,458,442 km (0.036 R)
  • M65: 23,624,496 km (0.075 R)
  • M66: 24,041,275 km (0.089 R)
  • M67: 24,460,598 km (0.117 R)
  • M68: 24,628,896 km (0.068 R)
  • M69: 24,755,456 km (0.056 R)
  • M70: 26,204,610 km (0.102 R)
  • M71: 26,333,863 km (0.095 R)
  • M72: 26,766,051 km (0.025 R)
  • M73: 26,939,585 km (0.072 R)
  • M74: 27,200,483 km (0.036 R)
  • M75: 27,418,747 km (0.047 R)
  • M76: 28,341,317 km (0.069 R)
  • M77: 29,095,589 km (0.092 R)
  • M78: 29,452,829 km (0.116 R)
  • M79: 30,216,825 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.3

Radius: 10.4

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.98 AU - 8.46 AU

Year: 8740 Days

Day: 11.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 102.3 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (84)

Outer Limit: 103,979,063 km

  • M1: 156,629 km (0.097 R)
  • M2: 223,649 km (0.107 R)
  • M3: 336,146 km (0.093 R)
  • M4: 604,226 km (0.097 R)
  • M5: 746,942 km (0.101 R)
  • M6: 866,321 km (0.034 R)
  • M7: 937,679 km (0.101 R)
  • M8: 1,048,681 km (0.072 R)
  • M9: 1,223,711 km (0.084 R)
  • M10: 1,304,793 km (0.116 R)
  • M11: 1,472,641 km (0.108 R)
  • M12: 1,625,381 km (0.096 R)
  • M13: 2,042,609 km (0.119 R)
  • M14: 2,115,463 km (0.092 R)
  • M15: 2,313,980 km (0.077 R)
  • M16: 2,492,749 km (0.055 R)
  • M17: 3,001,083 km (0.116 R)
  • M18: 3,600,073 km (0.079 R)
  • M19: 3,868,152 km (0.108 R)
  • M20: 4,142,664 km (0.107 R)
  • M21: 5,371,312 km (0.059 R)
  • M22: 5,506,847 km (0.087 R)
  • M23: 5,643,580 km (0.085 R)
  • M24: 5,920,485 km (0.106 R)
  • M25: 6,095,664 km (0.112 R)
  • M26: 7,295,439 km (0.085 R)
  • M27: 7,826,063 km (0.064 R)
  • M28: 7,941,553 km (0.087 R)
  • M29: 8,645,560 km (0.097 R)
  • M30: 8,844,675 km (0.097 R)
  • M31: 9,946,014 km (0.12 R)
  • M32: 10,322,702 km (0.061 R)
  • M33: 10,491,747 km (0.087 R)
  • M34: 10,746,812 km (0.061 R)
  • M35: 11,699,900 km (0.089 R)
  • M36: 11,876,126 km (0.063 R)
  • M37: 12,186,691 km (0.112 R)
  • M38: 13,732,486 km (0.061 R)
  • M39: 14,575,769 km (0.106 R)
  • M40: 15,243,125 km (0.113 R)
  • M41: 15,920,505 km (0.044 R)
  • M42: 16,115,879 km (0.103 R)
  • M43: 16,312,002 km (0.113 R)
  • M44: 17,656,737 km (0.094 R)
  • M45: 17,757,716 km (0.118 R)
  • M46: 18,163,725 km (0.104 R)
  • M47: 18,933,256 km (0.068 R)
  • M48: 20,930,088 km (0.093 R)
  • M49: 21,736,571 km (0.093 R)
  • M50: 22,717,933 km (0.111 R)
  • M51: 23,158,648 km (0.103 R)
  • M52: 24,104,555 km (0.119 R)
  • M53: 25,689,994 km (0.111 R)
  • M54: 27,836,274 km (0.111 R)
  • M55: 29,199,260 km (0.025 R)
  • M56: 29,438,617 km (0.088 R)
  • M57: 29,798,699 km (0.099 R)
  • M58: 30,160,277 km (0.044 R)
  • M59: 30,887,772 km (0.068 R)
  • M60: 31,621,100 km (0.061 R)
  • M61: 31,805,255 km (0.097 R)
  • M62: 32,793,798 km (0.117 R)
  • M63: 33,354,341 km (0.06 R)
  • M64: 34,737,673 km (0.099 R)
  • M65: 34,927,812 km (0.085 R)
  • M66: 36,332,386 km (0.108 R)
  • M67: 36,461,040 km (0.096 R)
  • M68: 37,235,808 km (0.119 R)
  • M69: 38,016,110 km (0.089 R)
  • M70: 38,277,458 km (0.097 R)
  • M71: 38,408,206 km (0.087 R)
  • M72: 42,065,126 km (0.11 R)
  • M73: 42,267,682 km (0.116 R)
  • M74: 43,217,628 km (0.104 R)
  • M75: 44,380,602 km (0.11 R)
  • M76: 44,586,897 km (0.049 R)
  • M77: 44,724,677 km (0.083 R)
  • M78: 44,862,457 km (0.114 R)
  • M79: 45,138,614 km (0.069 R)
  • M80: 45,415,370 km (0.092 R)
  • M81: 45,484,634 km (0.105 R)
  • M82: 45,623,162 km (0.058 R)
  • M83: 45,970,378 km (0.046 R)
  • M84: 46,667,505 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.5

Radius: 4.8

Gravity: 23.55 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 12.33 AU - 20.21 AU

Year: 24338 Days

Day: 22.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 33 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (94)

Outer Limit: 103,979,063 km

  • M1: 72,854 km (0.115 R)
  • M2: 152,141 km (0.086 R)
  • M3: 357,838 km (0.104 R)
  • M4: 701,165 km (0.097 R)
  • M5: 850,763 km (0.076 R)
  • M6: 1,010,534 km (0.094 R)
  • M7: 1,150,856 km (0.065 R)
  • M8: 1,450,202 km (0.099 R)
  • M9: 1,512,883 km (0.095 R)
  • M10: 2,188,617 km (0.116 R)
  • M11: 2,333,727 km (0.078 R)
  • M12: 3,186,584 km (0.054 R)
  • M13: 3,948,785 km (0.068 R)
  • M14: 4,214,920 km (0.052 R)
  • M15: 4,671,343 km (0.108 R)
  • M16: 5,630,265 km (0.111 R)
  • M17: 6,030,440 km (0.077 R)
  • M18: 7,997,353 km (0.066 R)
  • M19: 8,164,753 km (0.117 R)
  • M20: 8,220,852 km (0.07 R)
  • M21: 8,277,101 km (0.077 R)
  • M22: 8,788,875 km (0.102 R)
  • M23: 10,263,312 km (0.064 R)
  • M24: 10,689,665 km (0.108 R)
  • M25: 10,751,001 km (0.118 R)
  • M26: 10,874,120 km (0.117 R)
  • M27: 11,121,854 km (0.051 R)
  • M28: 11,246,319 km (0.09 R)
  • M29: 11,433,915 km (0.114 R)
  • M30: 11,559,727 km (0.105 R)
  • M31: 12,259,097 km (0.111 R)
  • M32: 12,516,854 km (0.107 R)
  • M33: 12,841,481 km (0.053 R)
  • M34: 13,765,248 km (0.115 R)
  • M35: 14,642,041 km (0.045 R)
  • M36: 15,536,786 km (0.096 R)
  • M37: 15,885,648 km (0.116 R)
  • M38: 16,733,419 km (0.068 R)
  • M39: 18,032,228 km (0.055 R)
  • M40: 18,619,849 km (0.087 R)
  • M41: 20,116,276 km (0.073 R)
  • M42: 20,572,699 km (0.059 R)
  • M43: 20,955,520 km (0.114 R)
  • M44: 23,541,319 km (0.08 R)
  • M45: 23,941,793 km (0.111 R)
  • M46: 24,425,293 km (0.031 R)
  • M47: 25,648,256 km (0.096 R)
  • M48: 25,895,242 km (0.095 R)
  • M49: 26,308,581 km (0.061 R)
  • M50: 26,724,164 km (0.1 R)
  • M51: 30,997,128 km (0.105 R)
  • M52: 32,231,011 km (0.108 R)
  • M53: 32,764,776 km (0.061 R)
  • M54: 33,480,901 km (0.07 R)
  • M55: 33,750,776 km (0.056 R)
  • M56: 35,293,728 km (0.096 R)
  • M57: 36,027,805 km (0.119 R)
  • M58: 36,766,818 km (0.074 R)
  • M59: 36,952,320 km (0.079 R)
  • M60: 37,045,220 km (0.119 R)
  • M61: 37,231,170 km (0.107 R)
  • M62: 37,417,569 km (0.063 R)
  • M63: 37,978,411 km (0.064 R)
  • M64: 39,013,778 km (0.113 R)
  • M65: 39,772,688 km (0.078 R)
  • M66: 40,728,020 km (0.057 R)
  • M67: 43,149,262 km (0.076 R)
  • M68: 43,247,099 km (0.057 R)
  • M69: 45,218,948 km (0.037 R)
  • M70: 45,616,879 km (0.113 R)
  • M71: 46,717,021 km (0.119 R)
  • M72: 47,119,141 km (0.058 R)
  • M73: 48,637,709 km (0.115 R)
  • M74: 55,826,335 km (0.078 R)
  • M75: 57,539,979 km (0.079 R)
  • M76: 57,755,400 km (0.066 R)
  • M77: 57,863,260 km (0.113 R)
  • M78: 59,162,218 km (0.114 R)
  • M79: 63,672,145 km (0.112 R)
  • M80: 66,475,759 km (0.079 R)
  • M81: 68,519,266 km (0.111 R)
  • M82: 69,548,798 km (0.104 R)
  • M83: 70,007,914 km (0.099 R)
  • M84: 71,275,756 km (0.076 R)
  • M85: 72,900,538 km (0.108 R)
  • M86: 73,483,671 km (0.08 R)
  • M87: 73,834,328 km (0.115 R)
  • M88: 74,185,584 km (0.051 R)
  • M89: 75,595,993 km (0.076 R)
  • M90: 75,831,909 km (0.059 R)
  • M91: 79,040,783 km (0.113 R)
  • M92: 79,160,461 km (0.12 R)
  • M93: 79,639,922 km (0.106 R)
  • M94: 80,240,558 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.3

Radius: 4.8

Gravity: 39.73 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 14.2 AU - 21.22 AU

Year: 27640 Days

Day: 24.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.4 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (95)

Outer Limit: 103,979,063 km

  • M1: 62,981 km (0.058 R)
  • M2: 179,517 km (0.068 R)
  • M3: 270,024 km (0.117 R)
  • M4: 1,152,502 km (0.115 R)
  • M5: 1,186,910 km (0.048 R)
  • M6: 1,327,681 km (0.086 R)
  • M7: 1,473,838 km (0.073 R)
  • M8: 1,548,936 km (0.091 R)
  • M9: 1,984,266 km (0.11 R)
  • M10: 2,455,350 km (0.039 R)
  • M11: 2,635,017 km (0.095 R)
  • M12: 2,726,421 km (0.098 R)
  • M13: 3,595,435 km (0.096 R)
  • M14: 3,696,863 km (0.065 R)
  • M15: 4,707,546 km (0.113 R)
  • M16: 7,215,554 km (0.079 R)
  • M17: 8,261,692 km (0.061 R)
  • M18: 8,598,287 km (0.071 R)
  • M19: 8,666,205 km (0.054 R)
  • M20: 8,939,370 km (0.025 R)
  • M21: 9,284,941 km (0.063 R)
  • M22: 9,988,949 km (0.086 R)
  • M23: 10,637,157 km (0.098 R)
  • M24: 11,150,726 km (0.119 R)
  • M25: 13,678,033 km (0.087 R)
  • M26: 14,396,850 km (0.092 R)
  • M27: 14,720,281 km (0.105 R)
  • M28: 14,882,894 km (0.055 R)
  • M29: 15,046,105 km (0.095 R)
  • M30: 15,787,662 km (0.064 R)
  • M31: 16,037,640 km (0.096 R)
  • M32: 16,879,876 km (0.093 R)
  • M33: 17,822,941 km (0.09 R)
  • M34: 18,170,157 km (0.078 R)
  • M35: 18,519,468 km (0.082 R)
  • M36: 18,695,096 km (0.118 R)
  • M37: 20,118,969 km (0.085 R)
  • M38: 21,669,850 km (0.113 R)
  • M39: 22,133,155 km (0.092 R)
  • M40: 23,258,579 km (0.111 R)
  • M41: 24,402,554 km (0.043 R)
  • M42: 25,662,318 km (0.11 R)
  • M43: 26,054,264 km (0.104 R)
  • M44: 29,157,672 km (0.096 R)
  • M45: 29,874,396 km (0.097 R)
  • M46: 31,012,387 km (0.105 R)
  • M47: 33,330,705 km (0.106 R)
  • M48: 37,131,837 km (0.119 R)
  • M49: 37,574,946 km (0.079 R)
  • M50: 37,686,097 km (0.091 R)
  • M51: 38,690,348 km (0.085 R)
  • M52: 39,252,088 km (0.025 R)
  • M53: 39,816,520 km (0.119 R)
  • M54: 42,563,137 km (0.111 R)
  • M55: 43,959,185 km (0.058 R)
  • M56: 45,015,944 km (0.073 R)
  • M57: 46,200,011 km (0.11 R)
  • M58: 47,154,595 km (0.09 R)
  • M59: 49,204,684 km (0.074 R)
  • M60: 49,691,326 km (0.118 R)
  • M61: 54,392,739 km (0.107 R)
  • M62: 55,526,840 km (0.119 R)
  • M63: 56,160,237 km (0.104 R)
  • M64: 57,434,213 km (0.106 R)
  • M65: 57,946,436 km (0.05 R)
  • M66: 58,074,791 km (0.073 R)
  • M67: 58,203,146 km (0.099 R)
  • M68: 61,312,987 km (0.025 R)
  • M69: 62,888,102 km (0.104 R)
  • M70: 66,346,057 km (0.072 R)
  • M71: 67,018,051 km (0.115 R)
  • M72: 67,152,689 km (0.069 R)
  • M73: 68,097,998 km (0.105 R)
  • M74: 69,183,779 km (0.108 R)
  • M75: 70,548,860 km (0.063 R)
  • M76: 73,305,799 km (0.106 R)
  • M77: 73,722,279 km (0.089 R)
  • M78: 74,557,784 km (0.099 R)
  • M79: 75,396,429 km (0.074 R)
  • M80: 77,365,287 km (0.104 R)
  • M81: 77,789,397 km (0.066 R)
  • M82: 78,072,586 km (0.078 R)
  • M83: 79,921,615 km (0.098 R)
  • M84: 82,072,833 km (0.095 R)
  • M85: 83,372,689 km (0.117 R)
  • M86: 85,846,439 km (0.09 R)
  • M87: 89,083,587 km (0.073 R)
  • M88: 92,210,482 km (0.034 R)
  • M89: 93,260,809 km (0.036 R)
  • M90: 95,221,737 km (0.043 R)
  • M91: 95,373,280 km (0.114 R)
  • M92: 99,031,098 km (0.12 R)
  • M93: 100,106,557 km (0.081 R)
  • M94: 102,734,543 km (0.113 R)
  • M95: 102,889,825 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 18,298 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit