🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802

Radius: 9.5

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.77 AU - 0.93 AU

Year: 551 Days

Day: 5.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,259,079 km

• M1: 118,182 km (0.057 R)
• M2: 473,776 km (0.099 R)
• M3: 923,916 km (0.052 R)
• M4: 1,257,520 km (0.1 R)
• M5: 1,649,317 km (0.101 R)
• M6: 1,969,306 km (0.061 R)
• M7: 2,292,139 km (0.057 R)
• M8: 2,905,939 km (0.089 R)
• M9: 3,956,415 km (0.113 R)
• M10: 4,337,590 km (0.049 R)
• M11: 4,695,129 km (0.061 R)
• M12: 5,072,265 km (0.048 R)
• M13: 5,703,120 km (0.096 R)
• M14: 6,484,469 km (0.116 R)
• M15: 6,808,199 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 9.6

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.6 AU - 1.82 AU

Year: 1572 Days

Day: 14.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,259,079 km

• M1: 119,529 km (0.109 R)
• M2: 587,620 km (0.062 R)
• M3: 1,067,082 km (0.088 R)
• M4: 1,694,645 km (0.103 R)
• M5: 2,246,212 km (0.103 R)
• M6: 2,884,546 km (0.067 R)
• M7: 3,262,430 km (0.037 R)
• M8: 4,599,536 km (0.114 R)
• M9: 5,537,066 km (0.085 R)
• M10: 5,884,283 km (0.097 R)
• M11: 6,960,939 km (0.116 R)
• M12: 7,672,875 km (0.113 R)
• M13: 8,134,683 km (0.113 R)
• M14: 9,797,913 km (0.085 R)
• M15: 10,727,364 km (0.074 R)
• M16: 11,341,912 km (0.1 R)
• M17: 12,056,392 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.9

Radius: 11.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.92 AU - 1.98 AU

Year: 1914 Days

Day: 6.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,259,079 km

• M1: 144,212 km (0.095 R)
• M2: 588,219 km (0.12 R)
• M3: 1,003,203 km (0.045 R)
• M4: 1,383,780 km (0.111 R)
• M5: 1,811,929 km (0.05 R)
• M6: 2,463,727 km (0.12 R)
• M7: 2,831,439 km (0.098 R)
• M8: 3,712,570 km (0.096 R)
• M9: 4,181,111 km (0.059 R)
• M10: 5,539,310 km (0.097 R)
• M11: 6,489,256 km (0.089 R)
• M12: 7,119,961 km (0.102 R)
• M13: 7,846,708 km (0.056 R)
• M14: 9,322,341 km (0.091 R)
• M15: 9,961,722 km (0.12 R)
• M16: 10,836,271 km (0.102 R)
• M17: 11,363,753 km (0.08 R)
• M18: 13,366,121 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.1

Radius: 8.4

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.8 AU - 2.56 AU

Year: 2263 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 161.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,259,079 km

• M1: 105,766 km (0.086 R)
• M2: 377,286 km (0.091 R)
• M3: 759,359 km (0.117 R)
• M4: 1,092,364 km (0.067 R)
• M5: 1,749,397 km (0.055 R)
• M6: 2,179,342 km (0.098 R)
• M7: 2,834,132 km (0.075 R)
• M8: 3,429,382 km (0.099 R)
• M9: 3,963,446 km (0.107 R)
• M10: 4,685,405 km (0.109 R)
• M11: 5,542,152 km (0.106 R)
• M12: 5,928,713 km (0.08 R)
• M13: 6,755,541 km (0.117 R)
• M14: 7,409,283 km (0.055 R)
• M15: 7,846,857 km (0.076 R)
• M16: 8,334,696 km (0.085 R)
• M17: 9,443,066 km (0.114 R)
• M18: 10,260,020 km (0.03 R)
• M19: 10,529,596 km (0.088 R)
• M20: 13,676,985 km (0.097 R)
• M21: 14,050,980 km (0.093 R)
• M22: 15,767,915 km (0.099 R)
• M23: 18,343,841 km (0.076 R)
• M24: 18,684,325 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.7

Radius: 10.4

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.91 AU - 4.51 AU

Year: 5023 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,259,079 km

• M1: 129,402 km (0.093 R)
• M2: 586,723 km (0.063 R)
• M3: 1,685,968 km (0.081 R)
• M4: 2,349,883 km (0.11 R)
• M5: 4,023,734 km (0.104 R)
• M6: 4,603,276 km (0.099 R)
• M7: 4,954,981 km (0.088 R)
• M8: 5,621,290 km (0.069 R)
• M9: 5,960,578 km (0.06 R)
• M10: 7,132,677 km (0.118 R)
• M11: 11,371,682 km (0.047 R)
• M12: 11,866,103 km (0.097 R)
• M13: 12,374,885 km (0.034 R)
• M14: 13,165,211 km (0.066 R)
• M15: 15,738,893 km (0.101 R)
• M16: 17,893,401 km (0.107 R)
• M17: 20,891,043 km (0.082 R)
• M18: 21,259,952 km (0.108 R)
• M19: 25,611,155 km (0.114 R)
• M20: 32,060,619 km (0.099 R)
• M21: 33,954,079 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.3

Radius: 8.6

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.7 AU - 3.9 AU

Year: 5207 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,259,079 km

• M1: 106,962 km (0.118 R)
• M2: 401,221 km (0.115 R)
• M3: 726,447 km (0.115 R)
• M4: 1,067,381 km (0.1 R)
• M5: 1,644,978 km (0.107 R)
• M6: 3,176,860 km (0.112 R)
• M7: 3,525,872 km (0.067 R)
• M8: 3,941,306 km (0.108 R)
• M9: 4,214,471 km (0.09 R)
• M10: 5,310,425 km (0.112 R)
• M11: 6,355,516 km (0.088 R)
• M12: 7,032,895 km (0.049 R)
• M13: 8,776,309 km (0.117 R)
• M14: 9,466,104 km (0.09 R)
• M15: 9,958,581 km (0.106 R)
• M16: 10,547,996 km (0.053 R)
• M17: 11,202,038 km (0.083 R)
• M18: 12,863,771 km (0.065 R)
• M19: 14,091,371 km (0.072 R)
• M20: 17,782,400 km (0.066 R)
• M21: 18,357,454 km (0.118 R)
• M22: 18,649,619 km (0.093 R)
• M23: 20,157,266 km (0.078 R)

Asteroid Belt

Center: 4.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.6

Radius: 5.3

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.41 AU - 6.99 AU

Year: 9566 Days

Day: 16.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,259,079 km

• M1: 66,272 km (0.08 R)
• M2: 231,278 km (0.102 R)
• M3: 471,084 km (0.087 R)
• M4: 638,334 km (0.114 R)
• M5: 1,099,245 km (0.052 R)
• M6: 1,465,910 km (0.101 R)
• M7: 2,172,759 km (0.115 R)
• M8: 2,630,679 km (0.061 R)
• M9: 2,872,279 km (0.106 R)
• M10: 4,419,570 km (0.087 R)
• M11: 4,761,700 km (0.064 R)
• M12: 6,064,698 km (0.12 R)
• M13: 7,042,619 km (0.111 R)
• M14: 8,634,490 km (0.104 R)
• M15: 9,584,137 km (0.102 R)
• M16: 11,266,066 km (0.043 R)
• M17: 13,193,186 km (0.049 R)
• M18: 15,782,875 km (0.096 R)
• M19: 16,513,361 km (0.051 R)
• M20: 16,784,432 km (0.054 R)
• M21: 17,475,126 km (0.087 R)
• M22: 19,061,312 km (0.101 R)
• M23: 19,509,956 km (0.065 R)
• M24: 20,196,161 km (0.088 R)
• M25: 21,375,292 km (0.086 R)
• M26: 22,850,177 km (0.109 R)
• M27: 24,216,754 km (0.069 R)
• M28: 26,738,076 km (0.081 R)
• M29: 30,028,332 km (0.041 R)
• M30: 32,719,149 km (0.102 R)
• M31: 34,123,125 km (0.072 R)
• M32: 38,932,547 km (0.115 R)
• M33: 39,654,506 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617

Radius: 6.5

Gravity: 14.6 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.78 AU - 7.6 AU

Year: 10825 Days

Day: 19.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,259,079 km

• M1: 80,783 km (0.083 R)
• M2: 346,469 km (0.101 R)
• M3: 606,769 km (0.116 R)
• M4: 869,912 km (0.036 R)
• M5: 1,072,168 km (0.104 R)
• M6: 1,281,455 km (0.035 R)
• M7: 1,603,689 km (0.095 R)
• M8: 2,354,072 km (0.104 R)
• M9: 2,839,667 km (0.119 R)
• M10: 3,269,910 km (0.031 R)
• M11: 3,538,139 km (0.101 R)
• M12: 3,874,136 km (0.096 R)
• M13: 4,520,848 km (0.116 R)
• M14: 4,792,517 km (0.083 R)
• M15: 6,134,859 km (0.05 R)
• M16: 7,795,844 km (0.05 R)
• M17: 9,343,733 km (0.111 R)
• M18: 9,636,646 km (0.096 R)
• M19: 10,817,123 km (0.105 R)
• M20: 12,264,033 km (0.092 R)
• M21: 14,344,940 km (0.101 R)
• M22: 18,648,422 km (0.049 R)
• M23: 19,113,222 km (0.1 R)
• M24: 21,808,976 km (0.068 R)
• M25: 22,761,017 km (0.111 R)
• M26: 25,027,425 km (0.085 R)
• M27: 25,783,343 km (0.101 R)
• M28: 30,215,030 km (0.099 R)
• M29: 35,364,189 km (0.106 R)
• M30: 36,195,803 km (0.111 R)
• M31: 37,897,928 km (0.113 R)
• M32: 41,068,954 km (0.119 R)
• M33: 44,412,317 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.6

Radius: 4.3

Gravity: 22.31 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.46 AU - 10.18 AU

Year: 20000 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,259,079 km

• M1: 53,556 km (0.099 R)
• M2: 279,000 km (0.106 R)
• M3: 614,698 km (0.084 R)
• M4: 1,068,727 km (0.116 R)
• M5: 1,374,206 km (0.112 R)
• M6: 2,079,410 km (0.111 R)
• M7: 2,402,991 km (0.114 R)
• M8: 3,439,255 km (0.117 R)
• M9: 3,576,586 km (0.077 R)
• M10: 3,862,019 km (0.107 R)
• M11: 7,021,825 km (0.073 R)
• M12: 7,469,272 km (0.097 R)
• M13: 7,888,146 km (0.052 R)
• M14: 8,175,823 km (0.091 R)
• M15: 11,208,620 km (0.12 R)
• M16: 11,511,257 km (0.036 R)
• M17: 17,122,374 km (0.071 R)
• M18: 19,364,098 km (0.079 R)
• M19: 19,887,541 km (0.107 R)
• M20: 22,170,554 km (0.091 R)
• M21: 26,388,915 km (0.079 R)
• M22: 40,183,634 km (0.115 R)
• M23: 41,752,616 km (0.103 R)
• M24: 48,596,569 km (0.106 R)
• M25: 49,400,358 km (0.094 R)
• M26: 51,531,231 km (0.066 R)
• M27: 54,237,157 km (0.043 R)
• M28: 54,928,149 km (0.081 R)
• M29: 58,471,076 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 14,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit