🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.57 AU - 0.61 AU

Year: 172 Days

Day: 31.8 Hours

Environment

Temp: 130 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.57 AU - 0.89 AU

Year: 236 Days

Day: 23.6 Hours

Environment

Temp: 148 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 9.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.53 AU - 6.47 AU

Year: 5566 Days

Day: 10.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 79,389,888 km

• M1: 152,291 km (0.092 R)
• M2: 223,798 km (0.115 R)
• M3: 285,582 km (0.115 R)
• M4: 558,748 km (0.09 R)
• M5: 635,043 km (0.09 R)
• M6: 724,353 km (0.119 R)
• M7: 876,793 km (0.077 R)
• M8: 936,782 km (0.097 R)
• M9: 1,125,574 km (0.087 R)
• M10: 1,396,795 km (0.092 R)
• M11: 1,456,036 km (0.089 R)
• M12: 1,764,656 km (0.117 R)
• M13: 2,189,664 km (0.073 R)
• M14: 2,272,990 km (0.088 R)
• M15: 3,178,506 km (0.106 R)
• M16: 4,012,813 km (0.038 R)
• M17: 4,184,103 km (0.081 R)
• M18: 4,287,924 km (0.034 R)
• M19: 4,498,408 km (0.092 R)
• M20: 4,802,391 km (0.078 R)
• M21: 5,317,756 km (0.11 R)
• M22: 5,468,251 km (0.062 R)
• M23: 6,084,295 km (0.063 R)
• M24: 7,152,573 km (0.093 R)
• M25: 7,782,829 km (0.108 R)
• M26: 8,540,393 km (0.114 R)
• M27: 8,783,340 km (0.117 R)
• M28: 9,118,439 km (0.112 R)
• M29: 9,344,033 km (0.101 R)
• M30: 9,503,205 km (0.058 R)
• M31: 10,055,370 km (0.102 R)
• M32: 10,452,852 km (0.112 R)
• M33: 10,618,158 km (0.096 R)
• M34: 11,070,841 km (0.095 R)
• M35: 11,239,288 km (0.088 R)
• M36: 11,481,337 km (0.079 R)
• M37: 12,019,890 km (0.101 R)
• M38: 12,416,773 km (0.036 R)
• M39: 12,491,572 km (0.093 R)
• M40: 12,767,430 km (0.068 R)
• M41: 12,843,127 km (0.108 R)
• M42: 13,376,443 km (0.112 R)
• M43: 13,581,542 km (0.096 R)
• M44: 13,891,209 km (0.098 R)
• M45: 14,569,935 km (0.04 R)
• M46: 15,099,511 km (0.025 R)
• M47: 15,259,581 km (0.091 R)
• M48: 15,905,545 km (0.099 R)
• M49: 16,068,457 km (0.086 R)
• M50: 16,478,205 km (0.113 R)
• M51: 16,588,010 km (0.118 R)
• M52: 16,918,921 km (0.113 R)
• M53: 17,671,697 km (0.085 R)
• M54: 18,863,992 km (0.062 R)
• M55: 19,094,074 km (0.042 R)
• M56: 19,382,947 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197

Radius: 11.4

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 11.23 AU - 11.41 AU

Year: 14425 Days

Day: 12.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 79,389,888 km

• M1: 565,031 km (0.103 R)
• M2: 763,099 km (0.105 R)
• M3: 839,842 km (0.109 R)
• M4: 1,139,188 km (0.03 R)
• M5: 1,320,351 km (0.052 R)
• M6: 2,006,706 km (0.118 R)
• M7: 2,295,579 km (0.076 R)
• M8: 2,410,321 km (0.065 R)
• M9: 2,503,520 km (0.072 R)
• M10: 2,790,599 km (0.107 R)
• M11: 3,038,034 km (0.076 R)
• M12: 3,139,162 km (0.086 R)
• M13: 3,422,799 km (0.117 R)
• M14: 3,554,595 km (0.096 R)
• M15: 3,661,258 km (0.071 R)
• M16: 4,874,347 km (0.114 R)
• M17: 5,324,787 km (0.109 R)
• M18: 5,447,307 km (0.11 R)
• M19: 5,632,659 km (0.053 R)
• M20: 5,757,424 km (0.055 R)
• M21: 5,946,366 km (0.105 R)
• M22: 7,257,890 km (0.079 R)
• M23: 7,633,830 km (0.049 R)
• M24: 7,946,190 km (0.087 R)
• M25: 8,655,434 km (0.047 R)
• M26: 8,799,796 km (0.053 R)
• M27: 9,017,760 km (0.04 R)
• M28: 9,459,073 km (0.109 R)
• M29: 9,982,816 km (0.079 R)
• M30: 10,477,685 km (0.114 R)
• M31: 11,254,697 km (0.084 R)
• M32: 11,769,612 km (0.055 R)
• M33: 12,050,108 km (0.086 R)
• M34: 13,028,628 km (0.107 R)
• M35: 13,277,260 km (0.085 R)
• M36: 13,990,243 km (0.084 R)
• M37: 14,629,625 km (0.106 R)
• M38: 15,191,514 km (0.115 R)
• M39: 15,278,580 km (0.107 R)
• M40: 15,716,453 km (0.097 R)
• M41: 16,069,803 km (0.074 R)
• M42: 17,236,068 km (0.092 R)
• M43: 17,326,874 km (0.082 R)
• M44: 17,509,084 km (0.109 R)
• M45: 17,875,300 km (0.055 R)
• M46: 18,013,379 km (0.094 R)
• M47: 18,708,710 km (0.11 R)
• M48: 19,365,594 km (0.076 R)
• M49: 19,649,381 km (0.1 R)
• M50: 20,077,829 km (0.109 R)
• M51: 20,461,249 km (0.117 R)
• M52: 21,089,410 km (0.032 R)
• M53: 21,430,194 km (0.059 R)
• M54: 21,723,855 km (0.077 R)
• M55: 21,821,991 km (0.085 R)
• M56: 22,117,447 km (0.085 R)
• M57: 22,265,698 km (0.054 R)
• M58: 22,414,249 km (0.085 R)
• M59: 22,762,064 km (0.05 R)
• M60: 23,362,550 km (0.103 R)
• M61: 23,765,866 km (0.103 R)
• M62: 25,350,107 km (0.092 R)
• M63: 25,557,001 km (0.108 R)
• M64: 26,810,182 km (0.103 R)
• M65: 28,083,410 km (0.091 R)
• M66: 30,139,333 km (0.101 R)
• M67: 30,688,358 km (0.118 R)
• M68: 30,964,066 km (0.103 R)
• M69: 31,573,678 km (0.079 R)
• M70: 32,355,327 km (0.091 R)
• M71: 32,523,624 km (0.111 R)
• M72: 34,451,492 km (0.078 R)
• M73: 34,738,122 km (0.103 R)
• M74: 37,059,581 km (0.092 R)
• M75: 37,706,742 km (0.099 R)
• M76: 38,061,289 km (0.118 R)
• M77: 38,535,664 km (0.097 R)
• M78: 38,833,214 km (0.113 R)
• M79: 39,311,029 km (0.111 R)
• M80: 39,790,640 km (0.083 R)
• M81: 39,970,905 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538

Radius: 5.1

Gravity: 20.68 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 10.21 AU - 16.67 AU

Year: 18662 Days

Day: 16.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 79,389,888 km

• M1: 102,624 km (0.105 R)
• M2: 344,225 km (0.118 R)
• M3: 639,830 km (0.079 R)
• M4: 1,147,715 km (0.101 R)
• M5: 1,303,745 km (0.1 R)
• M6: 1,871,619 km (0.088 R)
• M7: 2,573,682 km (0.111 R)
• M8: 2,743,625 km (0.12 R)
• M9: 2,952,464 km (0.071 R)
• M10: 3,385,250 km (0.115 R)
• M11: 3,422,350 km (0.112 R)
• M12: 3,459,451 km (0.088 R)
• M13: 3,954,021 km (0.09 R)
• M14: 4,716,222 km (0.088 R)
• M15: 4,757,661 km (0.096 R)
• M16: 5,220,517 km (0.119 R)
• M17: 5,653,752 km (0.12 R)
• M18: 5,830,278 km (0.048 R)
• M19: 6,008,598 km (0.076 R)
• M20: 6,143,536 km (0.117 R)
• M21: 6,416,402 km (0.104 R)
• M22: 6,508,255 km (0.076 R)
• M23: 6,554,332 km (0.044 R)
• M24: 7,354,381 km (0.056 R)
• M25: 7,595,533 km (0.04 R)
• M26: 7,888,445 km (0.092 R)
• M27: 8,085,615 km (0.099 R)
• M28: 8,334,546 km (0.09 R)
• M29: 8,384,512 km (0.044 R)
• M30: 8,434,777 km (0.092 R)
• M31: 8,485,042 km (0.073 R)
• M32: 10,092,471 km (0.117 R)
• M33: 11,178,102 km (0.081 R)
• M34: 12,016,299 km (0.049 R)
• M35: 13,165,211 km (0.116 R)
• M36: 14,408,669 km (0.088 R)
• M37: 15,136,013 km (0.115 R)
• M38: 17,645,069 km (0.049 R)
• M39: 18,162,229 km (0.117 R)
• M40: 19,676,309 km (0.109 R)
• M41: 20,685,496 km (0.112 R)
• M42: 23,034,332 km (0.081 R)
• M43: 23,883,300 km (0.08 R)
• M44: 24,240,091 km (0.082 R)
• M45: 24,455,063 km (0.117 R)
• M46: 25,031,165 km (0.078 R)
• M47: 25,393,491 km (0.114 R)
• M48: 25,466,195 km (0.104 R)
• M49: 25,903,769 km (0.06 R)
• M50: 26,123,528 km (0.074 R)
• M51: 26,343,886 km (0.108 R)
• M52: 27,156,950 km (0.083 R)
• M53: 27,454,650 km (0.055 R)
• M54: 28,053,341 km (0.12 R)
• M55: 28,203,687 km (0.094 R)
• M56: 28,807,763 km (0.101 R)
• M57: 29,339,882 km (0.107 R)
• M58: 31,422,285 km (0.082 R)
• M59: 32,995,306 km (0.076 R)
• M60: 34,191,790 km (0.091 R)
• M61: 34,916,442 km (0.073 R)
• M62: 35,321,254 km (0.088 R)
• M63: 37,533,956 km (0.105 R)
• M64: 38,364,673 km (0.026 R)
• M65: 38,615,100 km (0.113 R)
• M66: 38,866,125 km (0.029 R)
• M67: 40,808,205 km (0.095 R)
• M68: 42,954,635 km (0.065 R)
• M69: 43,997,931 km (0.107 R)
• M70: 44,610,235 km (0.092 R)
• M71: 45,049,454 km (0.075 R)
• M72: 46,553,361 km (0.074 R)
• M73: 49,247,170 km (0.073 R)
• M74: 49,973,917 km (0.075 R)
• M75: 51,438,330 km (0.107 R)
• M76: 52,268,150 km (0.067 R)
• M77: 54,408,895 km (0.117 R)
• M78: 55,160,176 km (0.078 R)
• M79: 55,915,047 km (0.107 R)
• M80: 56,293,679 km (0.098 R)
• M81: 57,625,549 km (0.097 R)
• M82: 57,816,735 km (0.115 R)
• M83: 58,391,340 km (0.025 R)
• M84: 60,903,388 km (0.08 R)
• M85: 61,976,752 km (0.09 R)
• M86: 63,253,271 km (0.1 R)
• M87: 63,450,441 km (0.108 R)
• M88: 64,736,983 km (0.068 R)
• M89: 65,632,625 km (0.106 R)
• M90: 66,532,456 km (0.109 R)
• M91: 66,833,298 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.6

Radius: 3.1

Gravity: 71.24 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 10.97 AU - 17.75 AU

Year: 20610 Days

Day: 22.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 79,389,888 km

• M1: 116,088 km (0.082 R)
• M2: 181,013 km (0.095 R)
• M3: 291,716 km (0.069 R)
• M4: 461,958 km (0.106 R)
• M5: 524,939 km (0.111 R)
• M6: 1,094,159 km (0.077 R)
• M7: 1,383,930 km (0.077 R)
• M8: 1,475,185 km (0.114 R)
• M9: 1,600,099 km (0.12 R)
• M10: 1,893,460 km (0.107 R)
• M11: 2,029,295 km (0.071 R)
• M12: 2,528,503 km (0.12 R)
• M13: 2,946,180 km (0.092 R)
• M14: 3,223,086 km (0.082 R)
• M15: 3,716,609 km (0.111 R)
• M16: 4,145,806 km (0.114 R)
• M17: 4,277,602 km (0.106 R)
• M18: 4,366,163 km (0.107 R)
• M19: 4,410,744 km (0.073 R)
• M20: 4,455,473 km (0.07 R)
• M21: 5,143,624 km (0.059 R)
• M22: 5,717,631 km (0.094 R)
• M23: 5,913,454 km (0.105 R)
• M24: 6,061,706 km (0.107 R)
• M25: 6,615,966 km (0.094 R)
• M26: 7,664,497 km (0.117 R)
• M27: 8,098,032 km (0.09 R)
• M28: 8,262,739 km (0.106 R)
• M29: 8,707,194 km (0.108 R)
• M30: 9,561,398 km (0.119 R)
• M31: 11,043,165 km (0.035 R)
• M32: 12,468,085 km (0.095 R)
• M33: 12,531,365 km (0.033 R)
• M34: 13,688,056 km (0.091 R)
• M35: 15,963,888 km (0.067 R)
• M36: 18,210,250 km (0.041 R)
• M37: 18,932,209 km (0.05 R)
• M38: 19,516,538 km (0.094 R)
• M39: 19,589,991 km (0.102 R)
• M40: 19,958,750 km (0.048 R)
• M41: 20,032,651 km (0.028 R)
• M42: 20,329,603 km (0.088 R)
• M43: 20,852,746 km (0.082 R)
• M44: 21,531,921 km (0.068 R)
• M45: 22,525,550 km (0.087 R)
• M46: 22,989,154 km (0.059 R)
• M47: 23,066,795 km (0.115 R)
• M48: 30,224,903 km (0.053 R)
• M49: 30,821,500 km (0.044 R)
• M50: 31,939,744 km (0.102 R)
• M51: 32,286,512 km (0.045 R)
• M52: 33,686,000 km (0.074 R)
• M53: 35,552,532 km (0.119 R)
• M54: 35,642,291 km (0.042 R)
• M55: 36,724,781 km (0.026 R)
• M56: 37,452,425 km (0.058 R)
• M57: 37,543,680 km (0.082 R)
• M58: 37,635,084 km (0.088 R)
• M59: 37,818,043 km (0.086 R)
• M60: 38,552,867 km (0.114 R)
• M61: 42,296,554 km (0.085 R)
• M62: 43,442,025 km (0.095 R)
• M63: 43,826,192 km (0.115 R)
• M64: 44,018,575 km (0.11 R)
• M65: 46,546,181 km (0.104 R)
• M66: 47,333,365 km (0.094 R)
• M67: 47,827,486 km (0.095 R)
• M68: 47,926,520 km (0.099 R)
• M69: 48,025,704 km (0.106 R)
• M70: 48,920,748 km (0.091 R)
• M71: 53,580,871 km (0.117 R)
• M72: 54,508,976 km (0.047 R)
• M73: 56,172,056 km (0.109 R)
• M74: 56,485,762 km (0.1 R)
• M75: 56,590,481 km (0.099 R)
• M76: 57,114,971 km (0.115 R)
• M77: 57,430,323 km (0.094 R)
• M78: 59,016,210 km (0.071 R)
• M79: 59,441,517 km (0.064 R)
• M80: 59,761,208 km (0.104 R)
• M81: 60,081,347 km (0.056 R)
• M82: 63,206,148 km (0.102 R)
• M83: 64,952,703 km (0.101 R)
• M84: 65,501,727 km (0.091 R)
• M85: 65,611,681 km (0.103 R)
• M86: 66,936,370 km (0.099 R)
• M87: 67,158,075 km (0.092 R)
• M88: 67,713,232 km (0.089 R)
• M89: 68,381,486 km (0.072 R)
• M90: 68,716,436 km (0.115 R)
• M91: 70,850,150 km (0.106 R)
• M92: 70,963,096 km (0.078 R)
• M93: 73,462,129 km (0.078 R)
• M94: 73,576,422 km (0.1 R)
• M95: 74,607,600 km (0.102 R)
• M96: 74,952,423 km (0.06 R)
• M97: 77,380,695 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.4

Radius: 6.3

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 12.41 AU - 18.81 AU

Year: 23359 Days

Day: 16.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 79,389,888 km

• M1: 115,190 km (0.067 R)
• M2: 391,797 km (0.119 R)
• M3: 597,643 km (0.11 R)
• M4: 1,046,138 km (0.051 R)
• M5: 1,273,227 km (0.074 R)
• M6: 1,773,034 km (0.089 R)
• M7: 1,839,455 km (0.081 R)
• M8: 1,974,841 km (0.06 R)
• M9: 2,113,519 km (0.099 R)
• M10: 2,364,095 km (0.089 R)
• M11: 2,548,849 km (0.104 R)
• M12: 2,700,092 km (0.07 R)
• M13: 3,334,088 km (0.086 R)
• M14: 4,144,160 km (0.095 R)
• M15: 4,412,240 km (0.106 R)
• M16: 4,639,928 km (0.113 R)
• M17: 5,249,688 km (0.062 R)
• M18: 5,637,446 km (0.051 R)
• M19: 6,084,744 km (0.092 R)
• M20: 6,440,488 km (0.106 R)
• M21: 7,929,884 km (0.088 R)
• M22: 9,229,141 km (0.108 R)
• M23: 9,637,544 km (0.04 R)
• M24: 9,992,240 km (0.08 R)
• M25: 10,836,571 km (0.116 R)
• M26: 10,959,091 km (0.057 R)
• M27: 11,703,640 km (0.114 R)
• M28: 11,766,471 km (0.055 R)
• M29: 11,829,302 km (0.066 R)
• M30: 12,081,973 km (0.072 R)
• M31: 12,850,756 km (0.087 R)
• M32: 13,635,248 km (0.053 R)
• M33: 13,833,913 km (0.104 R)
• M34: 14,100,048 km (0.073 R)
• M35: 14,166,918 km (0.092 R)
• M36: 14,705,321 km (0.117 R)
• M37: 15,250,306 km (0.104 R)
• M38: 15,456,452 km (0.039 R)
• M39: 16,500,795 km (0.104 R)
• M40: 16,641,716 km (0.114 R)
• M41: 16,783,086 km (0.118 R)
• M42: 17,281,097 km (0.113 R)
• M43: 19,098,711 km (0.082 R)
• M44: 19,992,409 km (0.095 R)
• M45: 22,519,865 km (0.052 R)
• M46: 22,754,584 km (0.088 R)
• M47: 23,622,102 km (0.101 R)
• M48: 23,701,539 km (0.083 R)
• M49: 24,020,033 km (0.099 R)
• M50: 24,984,041 km (0.111 R)
• M51: 26,042,596 km (0.116 R)
• M52: 30,334,559 km (0.109 R)
• M53: 30,593,812 km (0.068 R)
• M54: 32,252,553 km (0.079 R)
• M55: 32,340,666 km (0.09 R)
• M56: 33,940,167 km (0.084 R)
• M57: 34,659,433 km (0.108 R)
• M58: 36,754,850 km (0.119 R)
• M59: 37,031,158 km (0.084 R)
• M60: 37,678,617 km (0.102 R)
• M61: 38,050,368 km (0.095 R)
• M62: 38,329,966 km (0.047 R)
• M63: 38,797,310 km (0.111 R)
• M64: 38,891,108 km (0.052 R)
• M65: 41,929,441 km (0.105 R)
• M66: 42,700,767 km (0.086 R)
• M67: 44,453,606 km (0.06 R)
• M68: 44,944,735 km (0.11 R)
• M69: 45,338,776 km (0.115 R)
• M70: 46,130,598 km (0.117 R)
• M71: 46,627,712 km (0.065 R)
• M72: 48,129,674 km (0.093 R)
• M73: 48,432,011 km (0.064 R)
• M74: 48,937,353 km (0.093 R)
• M75: 49,038,631 km (0.09 R)
• M76: 49,444,340 km (0.116 R)
• M77: 51,902,084 km (0.066 R)
• M78: 52,937,899 km (0.103 R)
• M79: 54,819,392 km (0.115 R)
• M80: 55,029,726 km (0.034 R)
• M81: 55,874,057 km (0.068 R)
• M82: 60,159,437 km (0.103 R)
• M83: 60,376,504 km (0.077 R)
• M84: 60,811,385 km (0.057 R)
• M85: 62,231,667 km (0.03 R)
• M86: 65,774,444 km (0.052 R)
• M87: 65,997,943 km (0.076 R)
• M88: 66,333,790 km (0.079 R)
• M89: 66,894,782 km (0.069 R)
• M90: 67,232,275 km (0.087 R)
• M91: 67,457,420 km (0.086 R)
• M92: 69,609,535 km (0.088 R)
• M93: 69,951,366 km (0.086 R)
• M94: 71,784,089 km (0.084 R)
• M95: 72,244,701 km (0.098 R)
• M96: 74,446,034 km (0.106 R)
• M97: 75,029,017 km (0.087 R)
• M98: 76,199,620 km (0.109 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: 154 - 15,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit