🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.51 AU - 0.57 AU

Year: 260 Days

Day: 29.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,020,465 km

• M1: 245,789 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.58 AU - 0.68 AU

Year: 328 Days

Day: 16.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,020,465 km

• M1: 425,157 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.63 AU - 0.71 AU

Year: 360 Days

Day: 36.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,020,465 km

• M1: 121,324 km (0.091 R)
• M2: 170,392 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.1

Radius: 11.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.83 AU - 0.97 AU

Year: 560 Days

Day: 12.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 64,020,465 km

• M1: 153,188 km (0.104 R)
• M2: 252,521 km (0.112 R)
• M3: 325,226 km (0.09 R)
• M4: 412,142 km (0.119 R)
• M5: 495,169 km (0.111 R)
• M6: 604,675 km (0.108 R)
• M7: 775,366 km (0.072 R)
• M8: 897,138 km (0.054 R)
• M9: 1,055,413 km (0.114 R)
• M10: 1,212,790 km (0.105 R)
• M11: 1,313,320 km (0.083 R)
• M12: 1,405,771 km (0.082 R)
• M13: 1,557,314 km (0.11 R)
• M14: 1,649,765 km (0.077 R)
• M15: 1,732,194 km (0.119 R)
• M16: 1,858,754 km (0.111 R)
• M17: 1,963,322 km (0.071 R)
• M18: 2,322,507 km (0.105 R)
• M19: 2,489,608 km (0.066 R)
• M20: 2,633,072 km (0.038 R)
• M21: 2,709,367 km (0.118 R)
• M22: 2,786,560 km (0.087 R)
• M23: 2,993,304 km (0.087 R)
• M24: 3,160,853 km (0.113 R)
• M25: 3,257,045 km (0.075 R)
• M26: 3,346,654 km (0.096 R)
• M27: 3,760,442 km (0.113 R)
• M28: 3,862,467 km (0.094 R)
• M29: 4,061,433 km (0.106 R)
• M30: 4,182,457 km (0.103 R)
• M31: 4,280,145 km (0.103 R)
• M32: 4,419,869 km (0.058 R)
• M33: 4,536,107 km (0.101 R)
• M34: 4,678,524 km (0.087 R)
• M35: 4,831,114 km (0.039 R)
• M36: 5,132,404 km (0.053 R)
• M37: 5,237,272 km (0.089 R)
• M38: 5,316,260 km (0.114 R)
• M39: 5,413,349 km (0.111 R)
• M40: 5,645,375 km (0.073 R)
• M41: 5,717,481 km (0.1 R)
• M42: 5,880,692 km (0.068 R)
• M43: 5,981,222 km (0.078 R)
• M44: 6,073,075 km (0.115 R)
• M45: 6,249,002 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.1

Radius: 9

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.86 AU - 1.12 AU

Year: 646 Days

Day: 6.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,020,465 km

• M1: 112,049 km (0.057 R)
• M2: 182,360 km (0.113 R)
• M3: 313,258 km (0.102 R)
• M4: 376,538 km (0.046 R)
• M5: 445,502 km (0.027 R)
• M6: 559,646 km (0.116 R)
• M7: 739,313 km (0.09 R)
• M8: 815,907 km (0.113 R)
• M9: 898,934 km (0.097 R)
• M10: 963,261 km (0.116 R)
• M11: 1,044,044 km (0.102 R)
• M12: 1,169,855 km (0.072 R)
• M13: 1,252,433 km (0.064 R)
• M14: 1,411,456 km (0.09 R)
• M15: 1,555,668 km (0.072 R)
• M16: 1,625,231 km (0.1 R)
• M17: 1,691,503 km (0.061 R)
• M18: 1,754,035 km (0.09 R)
• M19: 1,891,067 km (0.077 R)
• M20: 2,017,327 km (0.067 R)
• M21: 2,079,261 km (0.083 R)
• M22: 2,136,856 km (0.105 R)
• M23: 2,219,584 km (0.03 R)
• M24: 2,283,462 km (0.111 R)
• M25: 2,398,203 km (0.065 R)
• M26: 2,622,899 km (0.107 R)
• M27: 2,711,611 km (0.116 R)
• M28: 2,780,127 km (0.08 R)
• M29: 2,918,954 km (0.045 R)
• M30: 3,248,219 km (0.098 R)
• M31: 3,428,634 km (0.096 R)
• M32: 3,752,513 km (0.029 R)
• M33: 4,025,828 km (0.069 R)
• M34: 4,086,116 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 10.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.8 AU - 2.46 AU

Year: 2039 Days

Day: 8.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 64,020,465 km

• M1: 129,253 km (0.101 R)
• M2: 217,964 km (0.038 R)
• M3: 284,685 km (0.083 R)
• M4: 367,562 km (0.06 R)
• M5: 439,668 km (0.073 R)
• M6: 523,593 km (0.099 R)
• M7: 645,365 km (0.1 R)
• M8: 798,404 km (0.069 R)
• M9: 979,118 km (0.111 R)
• M10: 1,047,484 km (0.088 R)
• M11: 1,117,795 km (0.06 R)
• M12: 1,346,830 km (0.085 R)
• M13: 1,415,196 km (0.116 R)
• M14: 1,528,890 km (0.082 R)
• M15: 1,728,304 km (0.105 R)
• M16: 1,946,119 km (0.087 R)
• M17: 2,093,173 km (0.07 R)
• M18: 2,346,443 km (0.12 R)
• M19: 2,492,600 km (0.103 R)
• M20: 2,717,745 km (0.091 R)
• M21: 3,016,940 km (0.117 R)
• M22: 3,085,007 km (0.114 R)
• M23: 3,385,549 km (0.105 R)
• M24: 3,756,403 km (0.039 R)
• M25: 3,841,973 km (0.086 R)
• M26: 3,928,141 km (0.093 R)
• M27: 4,127,704 km (0.104 R)
• M28: 4,228,683 km (0.044 R)
• M29: 4,407,602 km (0.119 R)
• M30: 4,536,855 km (0.088 R)
• M31: 4,601,930 km (0.05 R)
• M32: 4,693,633 km (0.087 R)
• M33: 4,839,042 km (0.057 R)
• M34: 4,972,484 km (0.12 R)
• M35: 5,352,612 km (0.079 R)
• M36: 5,463,015 km (0.077 R)
• M37: 5,897,896 km (0.095 R)
• M38: 6,242,420 km (0.101 R)
• M39: 6,329,486 km (0.108 R)
• M40: 6,637,658 km (0.084 R)
• M41: 6,711,858 km (0.115 R)
• M42: 6,980,985 km (0.114 R)
• M43: 7,116,820 km (0.067 R)
• M44: 7,223,184 km (0.105 R)
• M45: 7,299,329 km (0.026 R)
• M46: 7,653,726 km (0.05 R)
• M47: 7,762,634 km (0.077 R)
• M48: 8,029,367 km (0.093 R)
• M49: 8,108,504 km (0.087 R)
• M50: 8,219,505 km (0.082 R)
• M51: 8,395,133 km (0.081 R)
• M52: 8,815,204 km (0.104 R)
• M53: 8,929,497 km (0.111 R)
• M54: 9,142,973 km (0.072 R)
• M55: 9,391,455 km (0.098 R)
• M56: 9,541,651 km (0.119 R)
• M57: 9,776,819 km (0.12 R)
• M58: 10,218,731 km (0.091 R)
• M59: 10,528,399 km (0.081 R)
• M60: 10,615,016 km (0.099 R)
• M61: 10,701,932 km (0.093 R)
• M62: 11,192,613 km (0.052 R)
• M63: 11,334,133 km (0.043 R)
• M64: 11,547,609 km (0.115 R)
• M65: 11,780,234 km (0.115 R)
• M66: 11,888,244 km (0.116 R)
• M67: 12,014,654 km (0.116 R)
• M68: 12,159,614 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 10.3

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.18 AU - 4.28 AU

Year: 4726 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 64,020,465 km

• M1: 172,337 km (0.101 R)
• M2: 325,974 km (0.11 R)
• M3: 400,324 km (0.075 R)
• M4: 623,075 km (0.083 R)
• M5: 744,100 km (0.1 R)
• M6: 886,068 km (0.042 R)
• M7: 1,063,491 km (0.116 R)
• M8: 1,143,227 km (0.095 R)
• M9: 1,238,970 km (0.054 R)
• M10: 1,323,343 km (0.109 R)
• M11: 1,409,661 km (0.092 R)
• M12: 1,498,073 km (0.114 R)
• M13: 1,743,114 km (0.094 R)
• M14: 1,951,803 km (0.103 R)
• M15: 2,017,776 km (0.046 R)
• M16: 2,101,252 km (0.118 R)
• M17: 2,810,794 km (0.074 R)
• M18: 3,018,287 km (0.099 R)
• M19: 3,172,372 km (0.094 R)
• M20: 3,408,587 km (0.113 R)
• M21: 3,508,668 km (0.087 R)
• M22: 3,752,962 km (0.108 R)
• M23: 4,785,337 km (0.115 R)
• M24: 5,125,073 km (0.109 R)
• M25: 5,496,375 km (0.057 R)
• M26: 5,804,397 km (0.088 R)
• M27: 5,876,354 km (0.118 R)
• M28: 5,996,780 km (0.109 R)
• M29: 6,289,394 km (0.044 R)
• M30: 6,636,760 km (0.098 R)
• M31: 7,298,282 km (0.117 R)
• M32: 7,401,953 km (0.095 R)
• M33: 7,610,792 km (0.095 R)
• M34: 7,901,161 km (0.099 R)
• M35: 8,492,671 km (0.101 R)
• M36: 8,574,501 km (0.078 R)
• M37: 9,098,542 km (0.098 R)
• M38: 9,861,043 km (0.081 R)
• M39: 10,177,742 km (0.104 R)
• M40: 10,614,717 km (0.112 R)
• M41: 11,207,124 km (0.1 R)
• M42: 11,386,941 km (0.105 R)
• M43: 12,085,114 km (0.064 R)
• M44: 12,208,084 km (0.113 R)
• M45: 12,331,352 km (0.103 R)
• M46: 12,828,466 km (0.084 R)
• M47: 13,048,076 km (0.098 R)
• M48: 13,522,900 km (0.058 R)
• M49: 15,345,002 km (0.067 R)
• M50: 16,047,962 km (0.036 R)
• M51: 16,352,543 km (0.113 R)
• M52: 16,932,983 km (0.077 R)
• M53: 17,070,613 km (0.117 R)
• M54: 17,242,950 km (0.112 R)
• M55: 17,450,741 km (0.099 R)
• M56: 17,868,718 km (0.116 R)
• M57: 18,325,290 km (0.041 R)
• M58: 18,466,511 km (0.101 R)
• M59: 18,537,271 km (0.111 R)
• M60: 18,714,544 km (0.09 R)
• M61: 18,963,624 km (0.086 R)
• M62: 19,070,737 km (0.053 R)
• M63: 20,738,454 km (0.097 R)
• M64: 21,181,114 km (0.117 R)
• M65: 21,440,816 km (0.113 R)
• M66: 21,552,416 km (0.114 R)
• M67: 22,565,642 km (0.112 R)
• M68: 22,830,879 km (0.117 R)
• M69: 23,402,792 km (0.069 R)
• M70: 24,249,964 km (0.083 R)
• M71: 24,405,097 km (0.093 R)
• M72: 24,677,366 km (0.101 R)
• M73: 26,411,803 km (0.088 R)
• M74: 26,571,424 km (0.093 R)
• M75: 26,851,471 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.2

Radius: 8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.12 AU - 10.62 AU

Year: 20342 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 64,020,465 km

• M1: 116,986 km (0.118 R)
• M2: 172,636 km (0.103 R)
• M3: 249,529 km (0.049 R)
• M4: 523,892 km (0.119 R)
• M5: 634,145 km (0.12 R)
• M6: 684,111 km (0.069 R)
• M7: 735,423 km (0.098 R)
• M8: 954,434 km (0.101 R)
• M9: 1,132,456 km (0.032 R)
• M10: 1,497,624 km (0.06 R)
• M11: 1,729,202 km (0.118 R)
• M12: 1,996,982 km (0.116 R)
• M13: 2,148,824 km (0.079 R)
• M14: 2,226,166 km (0.073 R)
• M15: 2,357,064 km (0.106 R)
• M16: 2,544,809 km (0.076 R)
• M17: 3,708,531 km (0.071 R)
• M18: 3,927,243 km (0.037 R)
• M19: 4,675,233 km (0.11 R)
• M20: 4,776,062 km (0.049 R)
• M21: 5,186,558 km (0.112 R)
• M22: 5,256,121 km (0.096 R)
• M23: 5,325,983 km (0.102 R)
• M24: 5,537,365 km (0.073 R)
• M25: 5,608,424 km (0.087 R)
• M26: 6,597,565 km (0.119 R)
• M27: 6,786,657 km (0.1 R)
• M28: 7,092,884 km (0.036 R)
• M29: 7,718,951 km (0.114 R)
• M30: 8,321,980 km (0.094 R)
• M31: 8,403,511 km (0.11 R)
• M32: 8,773,766 km (0.102 R)
• M33: 9,360,339 km (0.102 R)
• M34: 10,792,439 km (0.077 R)
• M35: 10,881,450 km (0.066 R)
• M36: 11,239,886 km (0.107 R)
• M37: 11,830,499 km (0.077 R)
• M38: 12,431,134 km (0.106 R)
• M39: 12,664,956 km (0.111 R)
• M40: 13,089,215 km (0.098 R)
• M41: 13,279,354 km (0.084 R)
• M42: 13,903,477 km (0.052 R)
• M43: 14,000,266 km (0.101 R)
• M44: 15,883,105 km (0.113 R)
• M45: 16,187,537 km (0.045 R)
• M46: 17,791,376 km (0.063 R)
• M47: 18,799,216 km (0.093 R)
• M48: 19,121,301 km (0.089 R)
• M49: 19,337,021 km (0.087 R)
• M50: 19,499,334 km (0.117 R)
• M51: 19,825,458 km (0.09 R)
• M52: 20,648,396 km (0.039 R)
• M53: 20,980,653 km (0.059 R)
• M54: 21,147,604 km (0.114 R)
• M55: 22,214,386 km (0.04 R)
• M56: 22,441,177 km (0.098 R)
• M57: 23,126,185 km (0.101 R)
• M58: 24,458,354 km (0.112 R)
• M59: 24,516,847 km (0.119 R)
• M60: 26,773,531 km (0.094 R)
• M61: 26,833,819 km (0.107 R)
• M62: 27,378,355 km (0.115 R)
• M63: 27,439,092 km (0.063 R)
• M64: 29,095,739 km (0.107 R)
• M65: 29,343,922 km (0.037 R)
• M66: 30,721,568 km (0.096 R)
• M67: 31,164,228 km (0.115 R)
• M68: 31,291,087 km (0.113 R)
• M69: 32,184,187 km (0.055 R)
• M70: 33,214,916 km (0.08 R)
• M71: 34,060,443 km (0.069 R)
• M72: 35,507,204 km (0.097 R)
• M73: 35,772,441 km (0.063 R)
• M74: 36,304,860 km (0.1 R)
• M75: 36,705,932 km (0.075 R)
• M76: 37,242,988 km (0.101 R)
• M77: 38,664,916 km (0.108 R)
• M78: 38,937,783 km (0.086 R)
• M79: 39,760,272 km (0.08 R)
• M80: 40,519,182 km (0.091 R)
• M81: 40,935,213 km (0.091 R)
• M82: 41,841,328 km (0.037 R)
• M83: 44,957,003 km (0.1 R)
• M84: 45,028,660 km (0.072 R)
• M85: 48,440,239 km (0.052 R)
• M86: 48,955,305 km (0.113 R)
• M87: 49,398,414 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.1

Radius: 6.1

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9.22 AU - 12.5 AU

Year: 23478 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 64,020,465 km

• M1: 77,940 km (0.119 R)
• M2: 256,710 km (0.051 R)
• M3: 494,571 km (0.079 R)
• M4: 727,345 km (0.071 R)
• M5: 1,260,063 km (0.09 R)
• M6: 1,311,225 km (0.119 R)
• M7: 1,442,123 km (0.114 R)
• M8: 1,860,250 km (0.119 R)
• M9: 2,313,980 km (0.031 R)
• M10: 2,634,867 km (0.085 R)
• M11: 2,767,261 km (0.107 R)
• M12: 3,142,453 km (0.081 R)
• M13: 3,282,925 km (0.035 R)
• M14: 4,129,948 km (0.086 R)
• M15: 4,206,692 km (0.056 R)
• M16: 4,518,454 km (0.087 R)
• M17: 4,597,591 km (0.113 R)
• M18: 5,497,572 km (0.076 R)
• M19: 5,539,759 km (0.114 R)
• M20: 6,054,525 km (0.056 R)
• M21: 6,317,668 km (0.04 R)
• M22: 7,037,383 km (0.081 R)
• M23: 7,175,312 km (0.082 R)
• M24: 8,020,989 km (0.105 R)
• M25: 8,848,415 km (0.113 R)
• M26: 9,600,892 km (0.111 R)
• M27: 9,856,106 km (0.088 R)
• M28: 10,010,491 km (0.048 R)
• M29: 10,688,319 km (0.088 R)
• M30: 11,166,135 km (0.11 R)
• M31: 13,203,059 km (0.072 R)
• M32: 13,259,757 km (0.093 R)
• M33: 14,118,748 km (0.074 R)
• M34: 14,350,774 km (0.096 R)
• M35: 14,877,658 km (0.117 R)
• M36: 15,291,894 km (0.103 R)
• M37: 16,313,349 km (0.066 R)
• M38: 16,618,079 km (0.098 R)
• M39: 17,232,927 km (0.096 R)
• M40: 18,358,501 km (0.05 R)
• M41: 18,548,341 km (0.076 R)
• M42: 18,611,770 km (0.109 R)
• M43: 19,250,254 km (0.09 R)
• M44: 19,895,769 km (0.08 R)
• M45: 20,417,417 km (0.104 R)
• M46: 21,141,769 km (0.077 R)
• M47: 23,160,144 km (0.093 R)
• M48: 23,228,510 km (0.085 R)
• M49: 24,539,436 km (0.116 R)
• M50: 25,098,633 km (0.036 R)
• M51: 26,016,117 km (0.077 R)
• M52: 26,586,234 km (0.082 R)
• M53: 26,657,742 km (0.099 R)
• M54: 27,376,859 km (0.114 R)
• M55: 28,394,274 km (0.09 R)
• M56: 29,054,749 km (0.118 R)
• M57: 29,498,007 km (0.057 R)
• M58: 29,572,058 km (0.106 R)
• M59: 29,794,660 km (0.092 R)
• M60: 30,390,957 km (0.091 R)
• M61: 30,916,046 km (0.107 R)
• M62: 31,217,336 km (0.053 R)
• M63: 31,519,673 km (0.1 R)
• M64: 31,747,062 km (0.108 R)
• M65: 34,206,301 km (0.027 R)
• M66: 34,830,723 km (0.05 R)
• M67: 35,144,280 km (0.119 R)
• M68: 35,380,046 km (0.028 R)
• M69: 36,249,210 km (0.039 R)
• M70: 37,125,255 km (0.093 R)
• M71: 37,445,544 km (0.08 R)
• M72: 37,686,396 km (0.119 R)
• M73: 37,847,214 km (0.099 R)
• M74: 38,331,163 km (0.092 R)
• M75: 43,702,924 km (0.055 R)
• M76: 44,041,164 km (0.068 R)
• M77: 44,295,331 km (0.077 R)
• M78: 45,060,973 km (0.106 R)
• M79: 45,231,664 km (0.059 R)
• M80: 46,088,561 km (0.083 R)
• M81: 46,605,122 km (0.032 R)
• M82: 47,557,462 km (0.103 R)
• M83: 47,731,145 km (0.07 R)
• M84: 48,778,480 km (0.101 R)
• M85: 50,452,331 km (0.066 R)
• M86: 50,807,027 km (0.07 R)
• M87: 51,251,632 km (0.111 R)
• M88: 56,226,958 km (0.085 R)
• M89: 57,240,334 km (0.098 R)
• M90: 58,818,292 km (0.077 R)
• M91: 60,316,365 km (0.076 R)
• M92: 61,637,614 km (0.087 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 20,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit