🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.1

Radius: 10.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.44 AU - 0.66 AU

Year: 272 Days

Day: 12.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,811,534 km

• M1: 130,001 km (0.044 R)
• M2: 459,864 km (0.103 R)
• M3: 933,491 km (0.091 R)
• M4: 1,364,033 km (0.12 R)
• M5: 1,711,100 km (0.041 R)
• M6: 2,200,884 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.4

Radius: 14.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.83 AU - 1.27 AU

Year: 717 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 92.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 43,811,534 km

• M1: 182,809 km (0.063 R)
• M2: 887,265 km (0.117 R)
• M3: 2,137,604 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.8

Radius: 10.5

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.15 AU - 2.91 AU

Year: 2684 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,811,534 km

• M1: 130,599 km (0.116 R)
• M2: 481,406 km (0.099 R)
• M3: 869,164 km (0.094 R)
• M4: 1,304,942 km (0.1 R)
• M5: 1,641,238 km (0.043 R)
• M6: 2,062,057 km (0.037 R)
• M7: 2,464,775 km (0.083 R)
• M8: 3,897,922 km (0.088 R)
• M9: 4,429,294 km (0.098 R)
• M10: 4,864,923 km (0.05 R)
• M11: 5,903,282 km (0.096 R)
• M12: 6,634,516 km (0.067 R)
• M13: 7,052,792 km (0.107 R)
• M14: 8,108,653 km (0.052 R)
• M15: 9,525,944 km (0.117 R)
• M16: 11,692,719 km (0.071 R)
• M17: 12,437,866 km (0.051 R)
• M18: 13,354,901 km (0.085 R)
• M19: 14,267,149 km (0.109 R)
• M20: 15,426,383 km (0.113 R)
• M21: 18,982,025 km (0.118 R)
• M22: 19,643,696 km (0.052 R)
• M23: 20,696,566 km (0.084 R)
• M24: 21,656,536 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.7

Radius: 10.2

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.31 AU - 3.83 AU

Year: 4498 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,811,534 km

• M1: 126,859 km (0.102 R)
• M2: 482,453 km (0.041 R)
• M3: 1,101,040 km (0.104 R)
• M4: 1,471,744 km (0.092 R)
• M5: 1,846,636 km (0.03 R)
• M6: 2,457,295 km (0.115 R)
• M7: 2,828,148 km (0.09 R)
• M8: 3,394,525 km (0.096 R)
• M9: 4,218,959 km (0.112 R)
• M10: 4,678,524 km (0.111 R)
• M11: 5,669,909 km (0.103 R)
• M12: 7,024,667 km (0.111 R)
• M13: 7,813,198 km (0.043 R)
• M14: 9,363,929 km (0.111 R)
• M15: 10,491,149 km (0.081 R)
• M16: 11,520,981 km (0.091 R)
• M17: 11,847,403 km (0.116 R)
• M18: 13,114,348 km (0.072 R)
• M19: 17,825,035 km (0.073 R)
• M20: 19,028,400 km (0.074 R)
• M21: 19,815,884 km (0.079 R)
• M22: 22,093,511 km (0.086 R)
• M23: 24,387,146 km (0.051 R)
• M24: 24,771,313 km (0.111 R)
• M25: 25,159,669 km (0.064 R)
• M26: 25,789,476 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.6

Radius: 8.1

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.75 AU - 4.77 AU

Year: 5863 Days

Day: 8.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,811,534 km

• M1: 100,829 km (0.117 R)
• M2: 360,232 km (0.12 R)
• M3: 866,620 km (0.111 R)
• M4: 1,577,210 km (0.09 R)
• M5: 2,048,593 km (0.104 R)
• M6: 2,898,908 km (0.065 R)
• M7: 3,337,828 km (0.116 R)
• M8: 3,868,751 km (0.117 R)
• M9: 5,488,746 km (0.076 R)
• M10: 6,535,183 km (0.114 R)
• M11: 6,996,393 km (0.073 R)
• M12: 7,516,994 km (0.101 R)
• M13: 7,865,258 km (0.063 R)
• M14: 9,770,387 km (0.104 R)
• M15: 10,092,172 km (0.083 R)
• M16: 11,199,645 km (0.054 R)
• M17: 13,597,100 km (0.099 R)
• M18: 16,836,044 km (0.055 R)
• M19: 27,699,691 km (0.088 R)
• M20: 28,067,403 km (0.115 R)
• M21: 32,226,972 km (0.066 R)
• M22: 32,838,229 km (0.108 R)
• M23: 35,902,143 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 11.5

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.76 AU - 6.62 AU

Year: 9051 Days

Day: 10.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 78.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,811,534 km

• M1: 143,614 km (0.086 R)
• M2: 645,964 km (0.077 R)
• M3: 1,096,104 km (0.072 R)
• M4: 2,025,256 km (0.069 R)
• M5: 5,777,171 km (0.102 R)
• M6: 6,165,227 km (0.068 R)
• M7: 7,033,194 km (0.092 R)
• M8: 7,558,881 km (0.096 R)
• M9: 8,643,615 km (0.117 R)
• M10: 9,105,574 km (0.111 R)
• M11: 10,487,110 km (0.101 R)
• M12: 11,722,938 km (0.071 R)
• M13: 12,462,999 km (0.112 R)
• M14: 13,173,738 km (0.038 R)
• M15: 14,162,879 km (0.114 R)
• M16: 15,201,088 km (0.078 R)
• M17: 16,150,437 km (0.118 R)
• M18: 16,639,622 km (0.053 R)
• M19: 18,468,306 km (0.086 R)
• M20: 19,392,073 km (0.079 R)
• M21: 22,607,829 km (0.099 R)
• M22: 26,741,517 km (0.116 R)
• M23: 30,180,473 km (0.096 R)
• M24: 31,569,788 km (0.042 R)
• M25: 34,475,876 km (0.085 R)
• M26: 35,639,598 km (0.108 R)
• M27: 44,666,633 km (0.078 R)
• M28: 45,492,862 km (0.11 R)
• M29: 45,909,791 km (0.086 R)
• M30: 47,460,224 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.8

Radius: 3.1

Gravity: 43.58 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.99 AU - 9.79 AU

Year: 17676 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,811,534 km

• M1: 38,596 km (0.081 R)
• M2: 166,203 km (0.103 R)
• M3: 514,018 km (0.107 R)
• M4: 901,926 km (0.114 R)
• M5: 1,059,303 km (0.066 R)
• M6: 1,518,269 km (0.088 R)
• M7: 2,116,810 km (0.063 R)
• M8: 3,564,169 km (0.115 R)
• M9: 4,317,395 km (0.052 R)
• M10: 5,937,689 km (0.094 R)
• M11: 6,819,120 km (0.081 R)
• M12: 10,872,624 km (0.087 R)
• M13: 11,220,289 km (0.088 R)
• M14: 12,558,292 km (0.094 R)
• M15: 13,005,440 km (0.103 R)
• M16: 15,987,225 km (0.117 R)
• M17: 17,438,624 km (0.108 R)
• M18: 22,781,961 km (0.115 R)
• M19: 23,542,067 km (0.101 R)
• M20: 28,461,294 km (0.104 R)
• M21: 31,859,559 km (0.096 R)
• M22: 33,534,008 km (0.11 R)
• M23: 33,655,781 km (0.079 R)
• M24: 43,222,714 km (0.098 R)
• M25: 52,787,703 km (0.086 R)
• M26: 55,978,775 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.9

Radius: 4.7

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 10.21 AU - 11.19 AU

Year: 23340 Days

Day: 25 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,811,534 km

• M1: 66,721 km (0.113 R)
• M2: 1,237,623 km (0.112 R)
• M3: 2,401,046 km (0.098 R)
• M4: 5,097,996 km (0.119 R)
• M5: 6,612,675 km (0.085 R)
• M6: 14,191,901 km (0.09 R)
• M7: 17,247,438 km (0.089 R)
• M8: 17,428,900 km (0.069 R)
• M9: 18,735,937 km (0.088 R)
• M10: 22,250,589 km (0.083 R)
• M11: 25,784,091 km (0.036 R)
• M12: 26,500,964 km (0.119 R)
• M13: 26,904,878 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.6

Radius: 7.6

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.84 AU - 12.82 AU

Year: 23767 Days

Day: 19.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,811,534 km

• M1: 105,466 km (0.067 R)
• M2: 482,304 km (0.077 R)
• M3: 1,106,575 km (0.095 R)
• M4: 2,017,477 km (0.119 R)
• M5: 2,569,942 km (0.087 R)
• M6: 2,998,689 km (0.073 R)
• M7: 3,403,352 km (0.102 R)
• M8: 3,793,204 km (0.101 R)
• M9: 4,869,111 km (0.113 R)
• M10: 5,143,923 km (0.066 R)
• M11: 6,714,102 km (0.108 R)
• M12: 6,978,441 km (0.11 R)
• M13: 9,118,738 km (0.086 R)
• M14: 19,134,166 km (0.075 R)
• M15: 20,365,506 km (0.11 R)
• M16: 21,000,549 km (0.112 R)
• M17: 21,242,000 km (0.105 R)
• M18: 22,477,678 km (0.109 R)
• M19: 26,377,695 km (0.104 R)
• M20: 28,095,378 km (0.105 R)
• M21: 30,192,141 km (0.059 R)
• M22: 37,222,493 km (0.086 R)
• M23: 37,932,634 km (0.051 R)
• M24: 41,493,064 km (0.029 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 16,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit