G0V Star System Generated (Seed: 1768399377)

Star Details

Spectral Class: G5V

Temperature: 5,600 K

Mass: 1 sol

Luminosity: 1 lux

Habitable Zone (HZ)

Inner Boundary: 0.95 AU

Outer Boundary: 1.37 AU

Physical Limits

Snow Line: 4.8 AU

Max System Radius: 20 AU

Planetary System (10 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.44 AU - 0.72 AU

Year: 161 Days

Day: 15.1 Hours

Environment

Temp: 177 °C

Axial Tilt: 37.7 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 87,859,929 km

  • M1: 108,010 km (0.049 R)
  • M2: 266,733 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.79 AU - 1.09 AU

Year: 333 Days

Day: 27.4 Hours

Environment

Temp: 156 °C

Axial Tilt: 36.6 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.81 AU - 1.25 AU

Year: 382 Days

Day: 13.7 Hours

Environment

Temp: 11 °C

Axial Tilt: 28.1 °

Atmosphere: Nâ‚‚, Oâ‚‚

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.4 AU - 2.88 AU

Year: 1567 Days

Day: 22.2 Hours

Environment

Temp: -84 °C

Axial Tilt: 41.4 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.25 AU - 4.93 AU

Year: 3021 Days

Day: 30 Hours

Environment

Temp: -128 °C

Axial Tilt: 34.6 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.35 AU - 5.53 AU

Year: 3417 Days

Day: 37.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 24 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 9

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.43 AU - 8.29 AU

Year: 7293 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.4 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (94)

Outer Limit: 87,859,929 km

  • M1: 119,080 km (0.04 R)
  • M2: 263,442 km (0.09 R)
  • M3: 372,200 km (0.075 R)
  • M4: 702,811 km (0.043 R)
  • M5: 950,694 km (0.12 R)
  • M6: 1,021,604 km (0.079 R)
  • M7: 1,150,108 km (0.083 R)
  • M8: 1,284,148 km (0.118 R)
  • M9: 1,610,271 km (0.1 R)
  • M10: 2,386,385 km (0.093 R)
  • M11: 2,584,004 km (0.059 R)
  • M12: 2,812,889 km (0.116 R)
  • M13: 3,995,310 km (0.073 R)
  • M14: 4,260,398 km (0.093 R)
  • M15: 4,410,145 km (0.111 R)
  • M16: 4,500,951 km (0.104 R)
  • M17: 4,995,073 km (0.099 R)
  • M18: 5,312,819 km (0.085 R)
  • M19: 5,441,772 km (0.098 R)
  • M20: 6,441,684 km (0.108 R)
  • M21: 6,579,314 km (0.114 R)
  • M22: 7,210,617 km (0.104 R)
  • M23: 7,317,729 km (0.088 R)
  • M24: 7,678,560 km (0.047 R)
  • M25: 7,787,916 km (0.105 R)
  • M26: 8,342,774 km (0.114 R)
  • M27: 9,256,817 km (0.028 R)
  • M28: 9,412,249 km (0.106 R)
  • M29: 10,122,390 km (0.1 R)
  • M30: 10,202,425 km (0.072 R)
  • M31: 10,483,968 km (0.103 R)
  • M32: 10,890,725 km (0.077 R)
  • M33: 11,427,183 km (0.098 R)
  • M34: 12,269,269 km (0.076 R)
  • M35: 12,568,764 km (0.055 R)
  • M36: 12,697,867 km (0.093 R)
  • M37: 12,784,036 km (0.069 R)
  • M38: 12,870,653 km (0.093 R)
  • M39: 14,191,303 km (0.099 R)
  • M40: 14,505,758 km (0.072 R)
  • M41: 15,187,176 km (0.112 R)
  • M42: 15,786,016 km (0.107 R)
  • M43: 16,580,979 km (0.119 R)
  • M44: 16,912,039 km (0.073 R)
  • M45: 17,007,184 km (0.105 R)
  • M46: 17,102,328 km (0.032 R)
  • M47: 17,532,870 km (0.115 R)
  • M48: 18,209,651 km (0.087 R)
  • M49: 18,355,808 km (0.094 R)
  • M50: 18,502,265 km (0.058 R)
  • M51: 19,290,346 km (0.113 R)
  • M52: 20,746,682 km (0.101 R)
  • M53: 20,899,271 km (0.083 R)
  • M54: 21,154,485 km (0.091 R)
  • M55: 21,616,593 km (0.036 R)
  • M56: 21,926,560 km (0.113 R)
  • M57: 23,075,472 km (0.111 R)
  • M58: 23,923,243 km (0.116 R)
  • M59: 24,083,462 km (0.116 R)
  • M60: 24,243,831 km (0.038 R)
  • M61: 24,351,093 km (0.11 R)
  • M62: 25,051,510 km (0.106 R)
  • M63: 25,813,262 km (0.062 R)
  • M64: 27,025,603 km (0.119 R)
  • M65: 27,638,805 km (0.098 R)
  • M66: 27,919,002 km (0.059 R)
  • M67: 28,708,579 km (0.103 R)
  • M68: 29,220,054 km (0.118 R)
  • M69: 29,964,304 km (0.08 R)
  • M70: 30,252,130 km (0.099 R)
  • M71: 30,541,004 km (0.096 R)
  • M72: 32,233,853 km (0.085 R)
  • M73: 32,292,795 km (0.052 R)
  • M74: 32,824,765 km (0.112 R)
  • M75: 33,002,637 km (0.093 R)
  • M76: 33,657,875 km (0.076 R)
  • M77: 34,197,176 km (0.107 R)
  • M78: 34,317,452 km (0.062 R)
  • M79: 34,618,593 km (0.034 R)
  • M80: 35,102,392 km (0.055 R)
  • M81: 35,954,203 km (0.069 R)
  • M82: 36,260,130 km (0.09 R)
  • M83: 36,689,925 km (0.102 R)
  • M84: 37,183,000 km (0.117 R)
  • M85: 37,306,717 km (0.115 R)
  • M86: 37,430,434 km (0.062 R)
  • M87: 37,740,551 km (0.09 R)
  • M88: 39,871,273 km (0.078 R)
  • M89: 40,251,401 km (0.072 R)
  • M90: 40,568,998 km (0.058 R)
  • M91: 41,526,873 km (0.044 R)
  • M92: 41,655,228 km (0.044 R)
  • M93: 42,363,125 km (0.066 R)
  • M94: 42,880,584 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.5

Radius: 14.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 11.09 AU - 12.25 AU

Year: 14561 Days

Day: 14.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (87)

Outer Limit: 87,859,929 km

  • M1: 265,686 km (0.114 R)
  • M2: 455,526 km (0.09 R)
  • M3: 599,738 km (0.081 R)
  • M4: 706,401 km (0.078 R)
  • M5: 801,246 km (0.118 R)
  • M6: 963,410 km (0.068 R)
  • M7: 1,299,258 km (0.065 R)
  • M8: 1,672,803 km (0.089 R)
  • M9: 1,805,048 km (0.058 R)
  • M10: 2,024,209 km (0.115 R)
  • M11: 3,690,579 km (0.075 R)
  • M12: 5,087,076 km (0.104 R)
  • M13: 5,760,416 km (0.104 R)
  • M14: 6,128,426 km (0.087 R)
  • M15: 6,673,561 km (0.094 R)
  • M16: 7,855,683 km (0.114 R)
  • M17: 9,149,107 km (0.118 R)
  • M18: 9,339,395 km (0.029 R)
  • M19: 9,434,988 km (0.072 R)
  • M20: 9,966,659 km (0.026 R)
  • M21: 10,162,333 km (0.063 R)
  • M22: 10,857,664 km (0.058 R)
  • M23: 10,958,194 km (0.081 R)
  • M24: 11,465,929 km (0.097 R)
  • M25: 11,929,383 km (0.075 R)
  • M26: 12,399,120 km (0.066 R)
  • M27: 13,141,724 km (0.088 R)
  • M28: 14,448,462 km (0.09 R)
  • M29: 14,559,314 km (0.086 R)
  • M30: 16,024,924 km (0.113 R)
  • M31: 16,601,175 km (0.057 R)
  • M32: 17,067,023 km (0.095 R)
  • M33: 17,242,950 km (0.042 R)
  • M34: 17,537,209 km (0.113 R)
  • M35: 17,774,022 km (0.116 R)
  • M36: 18,250,641 km (0.062 R)
  • M37: 20,509,419 km (0.118 R)
  • M38: 21,260,849 km (0.067 R)
  • M39: 22,855,263 km (0.06 R)
  • M40: 23,049,142 km (0.113 R)
  • M41: 23,308,545 km (0.09 R)
  • M42: 23,568,995 km (0.115 R)
  • M43: 23,895,866 km (0.11 R)
  • M44: 24,421,852 km (0.093 R)
  • M45: 24,620,219 km (0.069 R)
  • M46: 26,632,161 km (0.102 R)
  • M47: 26,836,212 km (0.07 R)
  • M48: 27,520,323 km (0.033 R)
  • M49: 28,975,761 km (0.109 R)
  • M50: 29,325,970 km (0.108 R)
  • M51: 30,812,075 km (0.034 R)
  • M52: 31,241,122 km (0.045 R)
  • M53: 31,384,586 km (0.077 R)
  • M54: 32,977,355 km (0.109 R)
  • M55: 33,489,727 km (0.059 R)
  • M56: 33,710,085 km (0.114 R)
  • M57: 34,299,949 km (0.119 R)
  • M58: 34,744,704 km (0.117 R)
  • M59: 36,467,323 km (0.116 R)
  • M60: 36,769,661 km (0.088 R)
  • M61: 37,453,173 km (0.049 R)
  • M62: 37,758,353 km (0.076 R)
  • M63: 38,064,281 km (0.078 R)
  • M64: 38,987,000 km (0.105 R)
  • M65: 42,990,389 km (0.116 R)
  • M66: 43,630,219 km (0.061 R)
  • M67: 43,951,256 km (0.07 R)
  • M68: 44,112,074 km (0.116 R)
  • M69: 45,000,236 km (0.119 R)
  • M70: 45,487,177 km (0.098 R)
  • M71: 46,711,935 km (0.094 R)
  • M72: 47,040,452 km (0.106 R)
  • M73: 47,617,152 km (0.104 R)
  • M74: 48,445,026 km (0.098 R)
  • M75: 48,944,085 km (0.045 R)
  • M76: 53,082,860 km (0.029 R)
  • M77: 53,425,738 km (0.098 R)
  • M78: 53,597,327 km (0.118 R)
  • M79: 53,941,252 km (0.106 R)
  • M80: 54,285,926 km (0.025 R)
  • M81: 54,458,562 km (0.089 R)
  • M82: 54,631,347 km (0.096 R)
  • M83: 55,063,984 km (0.105 R)
  • M84: 55,584,884 km (0.107 R)
  • M85: 56,543,806 km (0.106 R)
  • M86: 58,301,581 km (0.108 R)
  • M87: 58,655,231 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.3

Radius: 7.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 15.32 AU - 15.7 AU

Year: 22310 Days

Day: 22.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.6 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (84)

Outer Limit: 87,859,929 km

  • M1: 132,693 km (0.116 R)
  • M2: 211,382 km (0.11 R)
  • M3: 543,788 km (0.073 R)
  • M4: 676,781 km (0.083 R)
  • M5: 930,050 km (0.115 R)
  • M6: 1,044,343 km (0.06 R)
  • M7: 1,163,273 km (0.083 R)
  • M8: 1,628,522 km (0.073 R)
  • M9: 1,824,047 km (0.089 R)
  • M10: 2,056,971 km (0.063 R)
  • M11: 2,116,660 km (0.117 R)
  • M12: 2,844,903 km (0.076 R)
  • M13: 3,149,634 km (0.03 R)
  • M14: 3,218,748 km (0.067 R)
  • M15: 3,500,441 km (0.077 R)
  • M16: 3,644,204 km (0.066 R)
  • M17: 3,716,909 km (0.114 R)
  • M18: 4,201,007 km (0.116 R)
  • M19: 4,392,493 km (0.071 R)
  • M20: 5,227,997 km (0.112 R)
  • M21: 5,351,265 km (0.102 R)
  • M22: 6,416,253 km (0.099 R)
  • M23: 6,548,348 km (0.095 R)
  • M24: 6,725,920 km (0.075 R)
  • M25: 7,314,139 km (0.102 R)
  • M26: 7,730,919 km (0.053 R)
  • M27: 8,490,876 km (0.074 R)
  • M28: 8,782,143 km (0.04 R)
  • M29: 9,076,552 km (0.1 R)
  • M30: 10,081,251 km (0.102 R)
  • M31: 10,286,499 km (0.112 R)
  • M32: 11,653,525 km (0.098 R)
  • M33: 11,868,796 km (0.072 R)
  • M34: 14,323,248 km (0.054 R)
  • M35: 15,312,240 km (0.032 R)
  • M36: 15,430,123 km (0.05 R)
  • M37: 16,806,423 km (0.102 R)
  • M38: 17,540,051 km (0.1 R)
  • M39: 17,848,672 km (0.058 R)
  • M40: 19,546,757 km (0.108 R)
  • M41: 19,610,635 km (0.113 R)
  • M42: 19,995,401 km (0.119 R)
  • M43: 22,824,746 km (0.107 R)
  • M44: 23,161,790 km (0.047 R)
  • M45: 23,568,546 km (0.108 R)
  • M46: 24,114,279 km (0.094 R)
  • M47: 25,567,024 km (0.054 R)
  • M48: 26,551,079 km (0.114 R)
  • M49: 29,430,389 km (0.06 R)
  • M50: 30,239,414 km (0.116 R)
  • M51: 30,609,520 km (0.12 R)
  • M52: 31,055,770 km (0.08 R)
  • M53: 31,504,115 km (0.066 R)
  • M54: 32,558,481 km (0.06 R)
  • M55: 32,786,019 km (0.113 R)
  • M56: 32,937,861 km (0.026 R)
  • M57: 33,166,147 km (0.086 R)
  • M58: 33,242,442 km (0.098 R)
  • M59: 33,395,032 km (0.096 R)
  • M60: 33,854,297 km (0.113 R)
  • M61: 34,161,721 km (0.099 R)
  • M62: 34,547,235 km (0.095 R)
  • M63: 35,244,810 km (0.033 R)
  • M64: 35,868,782 km (0.119 R)
  • M65: 36,732,560 km (0.111 R)
  • M66: 37,365,210 km (0.066 R)
  • M67: 37,523,933 km (0.116 R)
  • M68: 38,721,314 km (0.105 R)
  • M69: 39,365,034 km (0.105 R)
  • M70: 46,932,143 km (0.08 R)
  • M71: 47,017,713 km (0.045 R)
  • M72: 47,618,349 km (0.118 R)
  • M73: 48,480,780 km (0.108 R)
  • M74: 49,784,227 km (0.057 R)
  • M75: 51,804,995 km (0.096 R)
  • M76: 56,016,923 km (0.085 R)
  • M77: 56,471,551 km (0.078 R)
  • M78: 57,384,247 km (0.051 R)
  • M79: 57,658,909 km (0.116 R)
  • M80: 58,301,731 km (0.113 R)
  • M81: 59,409,354 km (0.117 R)
  • M82: 61,645,094 km (0.106 R)
  • M83: 62,584,718 km (0.099 R)
  • M84: 62,773,211 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.2

Radius: 6.7

Gravity: 16 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 15.41 AU - 17.37 AU

Year: 24236 Days

Day: 18.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 119.1 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (95)

Outer Limit: 87,859,929 km

  • M1: 146,157 km (0.102 R)
  • M2: 198,666 km (0.116 R)
  • M3: 409,749 km (0.1 R)
  • M4: 585,825 km (0.119 R)
  • M5: 633,547 km (0.062 R)
  • M6: 1,006,345 km (0.076 R)
  • M7: 1,504,506 km (0.107 R)
  • M8: 1,605,634 km (0.1 R)
  • M9: 2,144,485 km (0.102 R)
  • M10: 2,492,899 km (0.09 R)
  • M11: 2,984,926 km (0.088 R)
  • M12: 3,027,263 km (0.074 R)
  • M13: 6,454,251 km (0.039 R)
  • M14: 7,011,353 km (0.053 R)
  • M15: 7,993,313 km (0.081 R)
  • M16: 8,895,089 km (0.093 R)
  • M17: 9,140,879 km (0.12 R)
  • M18: 9,639,488 km (0.11 R)
  • M19: 10,019,168 km (0.037 R)
  • M20: 10,727,813 km (0.1 R)
  • M21: 11,121,255 km (0.027 R)
  • M22: 11,253,500 km (0.107 R)
  • M23: 11,787,415 km (0.078 R)
  • M24: 13,438,377 km (0.05 R)
  • M25: 13,933,396 km (0.115 R)
  • M26: 14,868,532 km (0.096 R)
  • M27: 16,047,064 km (0.117 R)
  • M28: 16,271,461 km (0.117 R)
  • M29: 16,421,508 km (0.112 R)
  • M30: 17,179,071 km (0.063 R)
  • M31: 19,758,438 km (0.104 R)
  • M32: 19,838,473 km (0.053 R)
  • M33: 21,379,630 km (0.107 R)
  • M34: 23,211,456 km (0.116 R)
  • M35: 24,661,209 km (0.1 R)
  • M36: 25,266,632 km (0.045 R)
  • M37: 25,614,746 km (0.085 R)
  • M38: 26,052,170 km (0.054 R)
  • M39: 27,826,401 km (0.115 R)
  • M40: 28,276,092 km (0.073 R)
  • M41: 28,547,014 km (0.106 R)
  • M42: 30,006,491 km (0.116 R)
  • M43: 32,052,690 km (0.079 R)
  • M44: 32,997,550 km (0.102 R)
  • M45: 34,143,470 km (0.077 R)
  • M46: 35,108,227 km (0.091 R)
  • M47: 35,399,494 km (0.117 R)
  • M48: 35,886,584 km (0.066 R)
  • M49: 35,984,272 km (0.118 R)
  • M50: 36,769,062 km (0.093 R)
  • M51: 37,757,755 km (0.092 R)
  • M52: 37,956,570 km (0.031 R)
  • M53: 39,963,725 km (0.074 R)
  • M54: 40,065,003 km (0.097 R)
  • M55: 40,166,430 km (0.072 R)
  • M56: 41,799,590 km (0.052 R)
  • M57: 42,934,888 km (0.07 R)
  • M58: 43,766,951 km (0.071 R)
  • M59: 44,814,436 km (0.086 R)
  • M60: 45,552,701 km (0.038 R)
  • M61: 46,188,492 km (0.111 R)
  • M62: 47,041,050 km (0.059 R)
  • M63: 47,898,695 km (0.119 R)
  • M64: 48,437,397 km (0.066 R)
  • M65: 48,653,416 km (0.036 R)
  • M66: 50,065,321 km (0.103 R)
  • M67: 51,270,631 km (0.11 R)
  • M68: 51,711,197 km (0.027 R)
  • M69: 54,157,122 km (0.079 R)
  • M70: 55,959,477 km (0.12 R)
  • M71: 57,895,872 km (0.068 R)
  • M72: 58,469,729 km (0.101 R)
  • M73: 59,738,469 km (0.08 R)
  • M74: 60,434,398 km (0.046 R)
  • M75: 61,133,020 km (0.114 R)
  • M76: 61,249,707 km (0.082 R)
  • M77: 61,600,214 km (0.117 R)
  • M78: 62,773,361 km (0.093 R)
  • M79: 64,309,581 km (0.076 R)
  • M80: 67,298,397 km (0.096 R)
  • M81: 70,699,355 km (0.078 R)
  • M82: 72,914,900 km (0.101 R)
  • M83: 73,286,351 km (0.072 R)
  • M84: 75,028,269 km (0.119 R)
  • M85: 75,153,183 km (0.072 R)
  • M86: 76,657,988 km (0.1 R)
  • M87: 82,130,877 km (0.106 R)
  • M88: 82,259,680 km (0.075 R)
  • M89: 82,775,344 km (0.078 R)
  • M90: 85,500,718 km (0.058 R)
  • M91: 86,153,863 km (0.117 R)
  • M92: 86,546,557 km (0.108 R)
  • M93: 86,939,850 km (0.057 R)
  • M94: 87,202,394 km (0.113 R)
  • M95: 87,596,734 km (0.046 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 14,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit