🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.47 AU - 0.69 AU

Year: 160 Days

Day: 43.7 Hours

Environment

Temp: 212 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,135,044 km

• M1: 360,980 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.5 AU - 0.76 AU

Year: 181 Days

Day: 36.4 Hours

Environment

Temp: 170 °C

Axial Tilt: 177.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,135,044 km

• M1: 537,056 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.43 AU - 1.65 AU

Year: 691 Days

Day: 12.5 Hours

Environment

Temp: -27 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,135,044 km

• M1: 474,375 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.91 AU - 2.61 AU

Year: 1229 Days

Day: 28.2 Hours

Environment

Temp: -74 °C

Axial Tilt: 73 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.14 AU - 4.7 AU

Year: 2807 Days

Day: 22.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,135,044 km

• M1: 704,756 km (0.085 R)

Asteroid Belt

Center: 4.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 12.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.85 AU - 6.25 AU

Year: 4104 Days

Day: 6.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 26,135,044 km

• M1: 169,195 km (0.063 R)
• M2: 270,623 km (0.091 R)
• M3: 553,213 km (0.078 R)
• M4: 640,279 km (0.093 R)
• M5: 733,030 km (0.089 R)
• M6: 842,386 km (0.028 R)
• M7: 1,311,375 km (0.119 R)
• M8: 1,475,633 km (0.087 R)
• M9: 1,870,871 km (0.046 R)
• M10: 2,041,562 km (0.12 R)
• M11: 2,169,169 km (0.06 R)
• M12: 2,671,369 km (0.03 R)
• M13: 3,026,365 km (0.061 R)
• M14: 3,209,772 km (0.113 R)
• M15: 3,396,769 km (0.099 R)
• M16: 3,723,042 km (0.092 R)
• M17: 3,959,706 km (0.108 R)
• M18: 4,282,987 km (0.078 R)
• M19: 4,531,020 km (0.062 R)
• M20: 4,656,982 km (0.074 R)
• M21: 4,933,738 km (0.089 R)
• M22: 5,150,355 km (0.045 R)
• M23: 5,370,115 km (0.081 R)
• M24: 5,728,252 km (0.104 R)
• M25: 6,117,506 km (0.112 R)
• M26: 6,444,527 km (0.119 R)
• M27: 6,921,594 km (0.09 R)
• M28: 7,385,647 km (0.112 R)
• M29: 7,884,855 km (0.118 R)
• M30: 8,241,048 km (0.103 R)
• M31: 8,654,536 km (0.107 R)
• M32: 8,811,315 km (0.116 R)
• M33: 9,314,113 km (0.046 R)
• M34: 9,448,003 km (0.089 R)
• M35: 9,555,564 km (0.071 R)
• M36: 9,799,109 km (0.075 R)
• M37: 10,209,606 km (0.11 R)
• M38: 10,514,337 km (0.066 R)
• M39: 10,990,956 km (0.079 R)
• M40: 11,560,923 km (0.108 R)
• M41: 12,140,615 km (0.049 R)
• M42: 12,789,122 km (0.099 R)
• M43: 12,878,432 km (0.069 R)
• M44: 13,600,541 km (0.083 R)
• M45: 13,813,568 km (0.09 R)
• M46: 14,027,792 km (0.111 R)
• M47: 14,770,695 km (0.034 R)
• M48: 15,621,608 km (0.08 R)
• M49: 15,940,850 km (0.103 R)
• M50: 16,423,752 km (0.09 R)
• M51: 16,520,841 km (0.097 R)
• M52: 16,878,679 km (0.12 R)
• M53: 17,107,863 km (0.05 R)
• M54: 17,206,298 km (0.086 R)
• M55: 17,502,951 km (0.083 R)
• M56: 17,834,609 km (0.083 R)
• M57: 18,101,342 km (0.074 R)
• M58: 18,436,741 km (0.092 R)
• M59: 18,977,537 km (0.119 R)
• M60: 19,352,429 km (0.045 R)
• M61: 19,455,053 km (0.034 R)
• M62: 21,016,706 km (0.075 R)
• M63: 21,546,133 km (0.085 R)
• M64: 21,723,556 km (0.067 R)
• M65: 22,438,334 km (0.117 R)
• M66: 23,051,985 km (0.067 R)
• M67: 23,488,511 km (0.074 R)
• M68: 24,037,984 km (0.117 R)
• M69: 24,777,147 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 10.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.46 AU - 6.78 AU

Year: 4818 Days

Day: 6.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 26,135,044 km

• M1: 152,141 km (0.084 R)
• M2: 326,123 km (0.11 R)
• M3: 412,741 km (0.101 R)
• M4: 605,273 km (0.045 R)
• M5: 676,631 km (0.1 R)
• M6: 762,201 km (0.079 R)
• M7: 898,186 km (0.076 R)
• M8: 1,092,663 km (0.112 R)
• M9: 1,234,631 km (0.055 R)
• M10: 1,396,795 km (0.025 R)
• M11: 1,551,928 km (0.073 R)
• M12: 1,787,844 km (0.076 R)
• M13: 1,988,305 km (0.115 R)
• M14: 2,394,613 km (0.106 R)
• M15: 2,496,040 km (0.046 R)
• M16: 2,685,880 km (0.1 R)
• M17: 2,773,844 km (0.096 R)
• M18: 2,880,507 km (0.109 R)
• M19: 2,952,464 km (0.07 R)
• M20: 3,153,523 km (0.062 R)
• M21: 3,397,068 km (0.039 R)
• M22: 4,002,341 km (0.096 R)
• M23: 4,452,332 km (0.057 R)
• M24: 5,026,788 km (0.104 R)
• M25: 5,378,193 km (0.046 R)
• M26: 5,579,402 km (0.094 R)
• M27: 6,244,814 km (0.117 R)
• M28: 6,315,125 km (0.072 R)
• M29: 7,228,120 km (0.053 R)
• M30: 7,376,073 km (0.115 R)
• M31: 7,750,366 km (0.088 R)
• M32: 8,182,106 km (0.12 R)
• M33: 8,778,852 km (0.08 R)
• M34: 8,989,635 km (0.1 R)
• M35: 9,986,406 km (0.08 R)
• M36: 10,096,360 km (0.06 R)
• M37: 10,261,965 km (0.113 R)
• M38: 10,567,893 km (0.065 R)
• M39: 10,651,817 km (0.073 R)
• M40: 10,933,211 km (0.115 R)
• M41: 11,274,294 km (0.11 R)
• M42: 11,503,478 km (0.119 R)
• M43: 11,589,945 km (0.1 R)
• M44: 11,792,351 km (0.118 R)
• M45: 11,937,611 km (0.079 R)
• M46: 12,112,790 km (0.05 R)
• M47: 12,732,574 km (0.103 R)
• M48: 12,911,493 km (0.081 R)
• M49: 13,151,448 km (0.071 R)
• M50: 13,757,768 km (0.091 R)
• M51: 13,849,472 km (0.109 R)
• M52: 14,064,444 km (0.101 R)
• M53: 14,746,909 km (0.07 R)
• M54: 14,872,123 km (0.042 R)
• M55: 14,997,635 km (0.057 R)
• M56: 16,727,735 km (0.028 R)
• M57: 17,022,143 km (0.117 R)
• M58: 18,317,960 km (0.078 R)
• M59: 18,587,685 km (0.105 R)
• M60: 19,233,499 km (0.108 R)
• M61: 19,370,381 km (0.088 R)
• M62: 20,897,775 km (0.039 R)
• M63: 21,320,988 km (0.108 R)
• M64: 21,996,871 km (0.117 R)
• M65: 22,068,528 km (0.099 R)
• M66: 22,211,843 km (0.094 R)
• M67: 22,391,510 km (0.066 R)
• M68: 22,535,573 km (0.093 R)
• M69: 22,969,556 km (0.028 R)
• M70: 24,140,459 km (0.108 R)
• M71: 24,510,414 km (0.042 R)

Asteroid Belt

Center: 6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.9

Radius: 13.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.17 AU - 6.57 AU

Year: 5814 Days

Day: 14.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 26,135,044 km

• M1: 168,896 km (0.109 R)
• M2: 333,454 km (0.097 R)
• M3: 471,981 km (0.091 R)
• M4: 601,383 km (0.063 R)
• M5: 835,205 km (0.065 R)
• M6: 1,130,062 km (0.041 R)
• M7: 1,220,719 km (0.1 R)
• M8: 1,525,150 km (0.068 R)
• M9: 1,660,836 km (0.11 R)
• M10: 1,782,907 km (0.047 R)
• M11: 1,963,023 km (0.115 R)
• M12: 2,519,527 km (0.099 R)
• M13: 2,847,446 km (0.119 R)
• M14: 3,080,968 km (0.111 R)
• M15: 3,211,118 km (0.048 R)
• M16: 3,796,196 km (0.065 R)
• M17: 3,983,043 km (0.102 R)
• M18: 4,269,224 km (0.091 R)
• M19: 4,561,987 km (0.093 R)
• M20: 5,480,069 km (0.091 R)
• M21: 5,691,750 km (0.101 R)
• M22: 5,798,713 km (0.03 R)
• M23: 5,933,351 km (0.063 R)
• M24: 6,069,036 km (0.113 R)
• M25: 6,762,871 km (0.115 R)
• M26: 7,249,064 km (0.109 R)
• M27: 7,776,397 km (0.045 R)
• M28: 7,925,097 km (0.092 R)
• M29: 8,590,658 km (0.071 R)
• M30: 9,305,736 km (0.081 R)
• M31: 9,527,140 km (0.088 R)
• M32: 9,622,584 km (0.097 R)
• M33: 9,718,326 km (0.092 R)
• M34: 10,201,976 km (0.106 R)
• M35: 10,561,759 km (0.083 R)
• M36: 11,597,874 km (0.089 R)
• M37: 11,870,591 km (0.069 R)
• M38: 12,007,623 km (0.027 R)
• M39: 12,248,924 km (0.099 R)
• M40: 12,491,871 km (0.076 R)
• M41: 13,443,613 km (0.089 R)
• M42: 14,127,425 km (0.058 R)
• M43: 14,309,336 km (0.105 R)
• M44: 14,601,799 km (0.116 R)
• M45: 14,712,053 km (0.108 R)
• M46: 15,379,259 km (0.117 R)
• M47: 15,491,458 km (0.1 R)
• M48: 15,603,956 km (0.092 R)
• M49: 16,436,767 km (0.119 R)
• M50: 16,820,186 km (0.093 R)
• M51: 17,051,614 km (0.058 R)
• M52: 17,361,880 km (0.117 R)
• M53: 17,713,285 km (0.103 R)
• M54: 18,145,773 km (0.106 R)
• M55: 20,155,620 km (0.094 R)
• M56: 20,772,263 km (0.078 R)
• M57: 20,896,429 km (0.112 R)
• M58: 21,520,551 km (0.104 R)
• M59: 22,066,434 km (0.111 R)
• M60: 22,616,804 km (0.101 R)
• M61: 22,701,926 km (0.031 R)
• M62: 22,829,682 km (0.064 R)
• M63: 23,086,093 km (0.103 R)
• M64: 23,429,420 km (0.082 R)
• M65: 24,469,574 km (0.106 R)
• M66: 24,644,454 km (0.118 R)
• M67: 24,951,429 km (0.079 R)
• M68: 25,392,144 km (0.091 R)
• M69: 25,657,830 km (0.059 R)
• M70: 26,684,819 km (0.036 R)
• M71: 26,774,728 km (0.04 R)
• M72: 28,778,890 km (0.104 R)
• M73: 29,009,570 km (0.088 R)
• M74: 29,287,374 km (0.093 R)
• M75: 30,595,308 km (0.106 R)
• M76: 30,736,528 km (0.117 R)
• M77: 31,256,381 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970

Radius: 11.6

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.41 AU - 6.81 AU

Year: 6146 Days

Day: 5.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 26,135,044 km

• M1: 147,653 km (0.078 R)
• M2: 420,220 km (0.102 R)
• M3: 657,931 km (0.093 R)
• M4: 940,522 km (0.076 R)
• M5: 1,173,595 km (0.095 R)
• M6: 1,857,407 km (0.114 R)
• M7: 2,109,928 km (0.05 R)
• M8: 2,601,956 km (0.042 R)
• M9: 2,885,444 km (0.111 R)
• M10: 3,154,122 km (0.115 R)
• M11: 3,228,920 km (0.111 R)
• M12: 3,329,450 km (0.065 R)
• M13: 3,533,801 km (0.109 R)
• M14: 3,821,627 km (0.092 R)
• M15: 4,673,587 km (0.064 R)
• M16: 5,019,009 km (0.109 R)
• M17: 5,194,786 km (0.079 R)
• M18: 5,342,888 km (0.076 R)
• M19: 6,166,873 km (0.083 R)
• M20: 6,292,386 km (0.103 R)
• M21: 6,577,818 km (0.11 R)
• M22: 6,770,500 km (0.076 R)
• M23: 6,867,589 km (0.028 R)
• M24: 7,260,433 km (0.12 R)
• M25: 7,795,695 km (0.074 R)
• M26: 8,033,854 km (0.06 R)
• M27: 8,939,670 km (0.076 R)
• M28: 9,117,541 km (0.1 R)
• M29: 9,260,856 km (0.103 R)
• M30: 9,477,025 km (0.103 R)
• M31: 9,987,902 km (0.092 R)
• M32: 10,098,604 km (0.076 R)
• M33: 10,172,655 km (0.067 R)
• M34: 10,545,453 km (0.101 R)
• M35: 11,227,769 km (0.111 R)
• M36: 11,690,625 km (0.108 R)
• M37: 11,768,416 km (0.113 R)
• M38: 12,002,686 km (0.046 R)
• M39: 12,159,764 km (0.09 R)
• M40: 13,562,992 km (0.115 R)
• M41: 13,808,781 km (0.117 R)
• M42: 13,932,199 km (0.111 R)
• M43: 14,346,137 km (0.097 R)
• M44: 15,059,419 km (0.09 R)
• M45: 16,958,415 km (0.11 R)
• M46: 17,489,337 km (0.032 R)
• M47: 17,756,818 km (0.078 R)
• M48: 18,025,795 km (0.113 R)
• M49: 19,667,333 km (0.098 R)
• M50: 19,759,934 km (0.09 R)
• M51: 20,365,357 km (0.071 R)
• M52: 20,646,900 km (0.115 R)
• M53: 20,788,120 km (0.057 R)
• M54: 20,976,913 km (0.094 R)
• M55: 21,261,149 km (0.115 R)
• M56: 23,189,016 km (0.08 R)
• M57: 24,223,336 km (0.086 R)
• M58: 24,821,129 km (0.111 R)
• M59: 25,625,816 km (0.075 R)
• M60: 25,726,944 km (0.102 R)
• M61: 26,234,829 km (0.114 R)
• M62: 26,490,043 km (0.112 R)
• M63: 26,643,530 km (0.112 R)
• M64: 27,003,014 km (0.091 R)
• M65: 28,142,800 km (0.031 R)
• M66: 29,034,404 km (0.114 R)
• M67: 29,139,870 km (0.061 R)
• M68: 29,245,486 km (0.119 R)
• M69: 29,669,297 km (0.079 R)
• M70: 30,308,828 km (0.082 R)
• M71: 30,415,940 km (0.111 R)
• M72: 30,952,996 km (0.034 R)
• M73: 31,168,716 km (0.116 R)
• M74: 31,276,726 km (0.065 R)
• M75: 31,710,111 km (0.066 R)
• M76: 32,145,441 km (0.07 R)
• M77: 32,912,130 km (0.081 R)
• M78: 33,242,592 km (0.07 R)
• M79: 34,017,808 km (0.034 R)
• M80: 34,519,409 km (0.085 R)
• M81: 34,855,107 km (0.086 R)
• M82: 35,192,001 km (0.103 R)
• M83: 35,417,146 km (0.107 R)
• M84: 36,095,423 km (0.055 R)
• M85: 36,208,968 km (0.106 R)
• M86: 37,407,546 km (0.116 R)
• M87: 37,925,155 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39

Radius: 4.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 11.44 AU - 14.48 AU

Year: 16873 Days

Day: 18.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 26,135,044 km

• M1: 87,066 km (0.111 R)
• M2: 269,575 km (0.072 R)
• M3: 352,453 km (0.104 R)
• M4: 397,332 km (0.073 R)
• M5: 483,052 km (0.115 R)
• M6: 812,316 km (0.095 R)
• M7: 1,117,795 km (0.093 R)
• M8: 1,283,101 km (0.111 R)
• M9: 1,368,671 km (0.098 R)
• M10: 1,485,806 km (0.098 R)
• M11: 1,682,976 km (0.092 R)
• M12: 1,714,092 km (0.066 R)
• M13: 1,969,755 km (0.104 R)
• M14: 2,254,590 km (0.056 R)
• M15: 2,570,091 km (0.109 R)
• M16: 2,937,055 km (0.115 R)
• M17: 3,012,303 km (0.096 R)
• M18: 3,222,937 km (0.093 R)
• M19: 4,049,016 km (0.109 R)
• M20: 4,238,706 km (0.108 R)
• M21: 5,026,339 km (0.079 R)
• M22: 5,552,774 km (0.108 R)
• M23: 5,622,636 km (0.105 R)
• M24: 5,669,460 km (0.034 R)
• M25: 5,857,953 km (0.1 R)
• M26: 6,120,647 km (0.053 R)
• M27: 6,411,466 km (0.11 R)
• M28: 6,756,438 km (0.091 R)
• M29: 7,082,113 km (0.062 R)
• M30: 7,413,023 km (0.114 R)
• M31: 7,853,290 km (0.118 R)
• M32: 7,958,158 km (0.109 R)
• M33: 8,010,816 km (0.053 R)
• M34: 8,596,791 km (0.115 R)
• M35: 8,813,409 km (0.061 R)
• M36: 9,004,296 km (0.058 R)
• M37: 9,809,880 km (0.097 R)
• M38: 10,321,505 km (0.07 R)
• M39: 10,436,396 km (0.059 R)
• M40: 10,522,714 km (0.113 R)
• M41: 10,754,441 km (0.042 R)
• M42: 10,812,635 km (0.082 R)
• M43: 11,222,683 km (0.112 R)
• M44: 11,399,956 km (0.038 R)
• M45: 11,727,575 km (0.032 R)
• M46: 11,817,334 km (0.09 R)
• M47: 12,605,715 km (0.104 R)
• M48: 12,820,837 km (0.101 R)
• M49: 13,130,205 km (0.064 R)
• M50: 13,348,319 km (0.105 R)
• M51: 13,442,117 km (0.106 R)
• M52: 13,599,045 km (0.077 R)
• M53: 13,693,441 km (0.103 R)
• M54: 13,914,547 km (0.039 R)
• M55: 14,073,270 km (0.096 R)
• M56: 14,136,999 km (0.116 R)
• M57: 14,908,176 km (0.113 R)
• M58: 15,561,171 km (0.083 R)
• M59: 15,792,000 km (0.069 R)
• M60: 17,098,289 km (0.105 R)
• M61: 17,781,502 km (0.076 R)
• M62: 18,022,803 km (0.103 R)
• M63: 18,858,158 km (0.091 R)
• M64: 18,928,319 km (0.089 R)
• M65: 19,812,892 km (0.09 R)
• M66: 20,063,019 km (0.048 R)
• M67: 21,622,128 km (0.091 R)
• M68: 22,323,443 km (0.115 R)
• M69: 23,370,329 km (0.058 R)
• M70: 24,509,816 km (0.1 R)
• M71: 24,931,981 km (0.108 R)
• M72: 25,163,409 km (0.085 R)
• M73: 25,202,005 km (0.085 R)
• M74: 25,511,822 km (0.105 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 10,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit