🌌 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: 835.4

Radius: 9.1

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.51 AU - 0.59 AU

Year: 282 Days

Day: 10.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,870,812 km

• M1: 113,096 km (0.12 R)
• M2: 441,463 km (0.041 R)
• M3: 752,477 km (0.118 R)
• M4: 1,498,372 km (0.103 R)
• M5: 1,912,908 km (0.114 R)
• M6: 2,275,084 km (0.11 R)
• M7: 2,796,882 km (0.059 R)
• M8: 3,149,185 km (0.089 R)
• M9: 3,668,888 km (0.098 R)
• M10: 4,155,380 km (0.118 R)
• M11: 4,480,905 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387

Radius: 15

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.59 AU - 0.93 AU

Year: 457 Days

Day: 12.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,870,812 km

• M1: 192,981 km (0.079 R)
• M2: 661,671 km (0.067 R)
• M3: 1,209,499 km (0.061 R)
• M4: 2,062,057 km (0.064 R)
• M5: 3,456,459 km (0.044 R)
• M6: 4,176,174 km (0.039 R)
• M7: 4,696,625 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.6

Radius: 8.2

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.66 AU - 1.66 AU

Year: 1476 Days

Day: 6.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,870,812 km

• M1: 102,026 km (0.078 R)
• M2: 696,677 km (0.117 R)
• M3: 1,193,791 km (0.084 R)
• M4: 1,527,095 km (0.064 R)
• M5: 1,878,650 km (0.08 R)
• M6: 3,144,098 km (0.096 R)
• M7: 4,475,220 km (0.118 R)
• M8: 5,443,867 km (0.116 R)
• M9: 6,098,208 km (0.098 R)
• M10: 6,830,040 km (0.12 R)
• M11: 7,905,051 km (0.082 R)
• M12: 8,257,503 km (0.095 R)
• M13: 10,456,442 km (0.086 R)
• M14: 12,538,994 km (0.096 R)
• M15: 13,140,677 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.7

Radius: 10.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.92 AU - 4.64 AU

Year: 5073 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,870,812 km

• M1: 132,095 km (0.091 R)
• M2: 747,989 km (0.086 R)
• M3: 1,800,560 km (0.12 R)
• M4: 2,361,702 km (0.072 R)
• M5: 3,106,849 km (0.109 R)
• M6: 3,712,870 km (0.103 R)
• M7: 4,087,313 km (0.098 R)
• M8: 5,085,580 km (0.102 R)
• M9: 5,956,389 km (0.06 R)
• M10: 7,690,827 km (0.082 R)
• M11: 8,337,389 km (0.097 R)
• M12: 9,934,645 km (0.106 R)
• M13: 10,537,076 km (0.119 R)
• M14: 10,994,247 km (0.112 R)
• M15: 11,726,827 km (0.104 R)
• M16: 12,862,874 km (0.082 R)
• M17: 13,578,700 km (0.118 R)
• M18: 14,070,727 km (0.083 R)
• M19: 15,090,236 km (0.085 R)
• M20: 16,991,925 km (0.039 R)
• M21: 18,147,568 km (0.094 R)
• M22: 21,661,921 km (0.079 R)
• M23: 22,401,982 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.8

Radius: 6

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.78 AU - 7.88 AU

Year: 13698 Days

Day: 23.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 28,870,812 km

• M1: 74,649 km (0.093 R)
• M2: 381,175 km (0.092 R)
• M3: 739,612 km (0.079 R)
• M4: 967,001 km (0.044 R)
• M5: 1,204,263 km (0.075 R)
• M6: 1,781,262 km (0.079 R)
• M7: 2,196,246 km (0.095 R)
• M8: 2,486,915 km (0.035 R)
• M9: 2,825,006 km (0.052 R)
• M10: 4,929,699 km (0.052 R)
• M11: 6,222,374 km (0.093 R)
• M12: 7,769,814 km (0.11 R)
• M13: 8,585,571 km (0.037 R)
• M14: 9,111,408 km (0.102 R)
• M15: 9,811,376 km (0.112 R)
• M16: 11,205,479 km (0.079 R)
• M17: 12,787,776 km (0.109 R)
• M18: 13,158,629 km (0.115 R)
• M19: 13,346,673 km (0.077 R)
• M20: 14,580,108 km (0.082 R)
• M21: 15,397,062 km (0.084 R)
• M22: 15,676,062 km (0.095 R)
• M23: 16,244,234 km (0.115 R)
• M24: 16,899,623 km (0.091 R)
• M25: 19,131,623 km (0.03 R)
• M26: 22,972,548 km (0.089 R)
• M27: 23,245,415 km (0.104 R)
• M28: 23,890,780 km (0.101 R)
• M29: 25,898,383 km (0.106 R)
• M30: 30,903,928 km (0.079 R)
• M31: 31,909,226 km (0.111 R)
• M32: 35,781,716 km (0.099 R)
• M33: 38,402,521 km (0.043 R)
• M34: 49,710,325 km (0.086 R)
• M35: 51,865,881 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.7

Radius: 3.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.75 AU - 9.95 AU

Year: 16655 Days

Day: 22.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,870,812 km

• M1: 46,076 km (0.118 R)
• M2: 163,959 km (0.079 R)
• M3: 838,346 km (0.115 R)
• M4: 981,212 km (0.031 R)
• M5: 1,955,394 km (0.077 R)
• M6: 3,173,868 km (0.106 R)
• M7: 4,532,217 km (0.109 R)
• M8: 4,924,313 km (0.085 R)
• M9: 5,526,893 km (0.082 R)
• M10: 6,627,784 km (0.107 R)
• M11: 7,164,541 km (0.052 R)
• M12: 7,360,814 km (0.106 R)
• M13: 8,005,880 km (0.119 R)
• M14: 8,541,141 km (0.093 R)
• M15: 11,225,525 km (0.103 R)
• M16: 11,986,529 km (0.106 R)
• M17: 16,652,337 km (0.118 R)
• M18: 19,163,188 km (0.078 R)
• M19: 19,604,801 km (0.112 R)
• M20: 20,117,772 km (0.096 R)
• M21: 24,622,314 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.1

Radius: 7.9

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.38 AU - 9.5 AU

Year: 20020 Days

Day: 19.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,870,812 km

• M1: 101,128 km (0.069 R)
• M2: 1,372,860 km (0.1 R)
• M3: 1,852,620 km (0.093 R)
• M4: 5,725,260 km (0.043 R)
• M5: 9,352,260 km (0.071 R)
• M6: 10,468,261 km (0.082 R)
• M7: 11,484,629 km (0.07 R)
• M8: 12,112,491 km (0.104 R)
• M9: 13,436,432 km (0.085 R)
• M10: 13,851,865 km (0.04 R)
• M11: 14,204,467 km (0.112 R)
• M12: 15,904,348 km (0.096 R)
• M13: 23,763,771 km (0.098 R)
• M14: 28,918,615 km (0.107 R)
• M15: 30,790,084 km (0.082 R)
• M16: 39,648,073 km (0.115 R)
• M17: 50,728,937 km (0.042 R)
• M18: 51,735,880 km (0.103 R)
• M19: 64,682,978 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.7

Radius: 7.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.98 AU - 10.96 AU

Year: 21730 Days

Day: 21.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,870,812 km

• M1: 92,451 km (0.098 R)
• M2: 339,886 km (0.097 R)
• M3: 683,961 km (0.106 R)
• M4: 3,023,074 km (0.069 R)
• M5: 3,254,950 km (0.057 R)
• M6: 3,519,440 km (0.066 R)
• M7: 4,880,032 km (0.118 R)
• M8: 6,528,301 km (0.073 R)
• M9: 7,322,367 km (0.088 R)
• M10: 11,104,500 km (0.027 R)
• M11: 13,644,223 km (0.098 R)
• M12: 15,556,832 km (0.101 R)
• M13: 20,380,167 km (0.108 R)
• M14: 25,315,700 km (0.092 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: 372 - 16,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit