🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.7

Radius: 14.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.4 AU - 1.42 AU

Year: 1065 Days

Day: 10.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,003,850 km

• M1: 184,305 km (0.084 R)
• M2: 705,653 km (0.1 R)
• M3: 1,332,917 km (0.103 R)
• M4: 1,924,427 km (0.093 R)
• M5: 2,553,785 km (0.096 R)
• M6: 3,174,317 km (0.09 R)
• M7: 3,796,944 km (0.07 R)
• M8: 4,817,051 km (0.099 R)
• M9: 5,517,020 km (0.067 R)
• M10: 6,399,199 km (0.072 R)
• M11: 6,972,607 km (0.075 R)
• M12: 7,658,513 km (0.102 R)
• M13: 8,643,017 km (0.032 R)
• M14: 9,285,241 km (0.09 R)
• M15: 10,340,354 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 10.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.61 AU - 4.09 AU

Year: 3899 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,003,850 km

• M1: 134,638 km (0.116 R)
• M2: 471,981 km (0.054 R)
• M3: 942,167 km (0.099 R)
• M4: 1,359,695 km (0.047 R)
• M5: 1,709,305 km (0.085 R)
• M6: 2,243,220 km (0.111 R)
• M7: 4,269,673 km (0.106 R)
• M8: 5,463,015 km (0.091 R)
• M9: 5,861,245 km (0.103 R)
• M10: 6,627,036 km (0.092 R)
• M11: 7,587,155 km (0.062 R)
• M12: 7,982,692 km (0.095 R)
• M13: 10,054,024 km (0.111 R)
• M14: 10,572,381 km (0.09 R)
• M15: 12,013,158 km (0.091 R)
• M16: 13,677,135 km (0.07 R)
• M17: 14,066,837 km (0.12 R)
• M18: 19,098,113 km (0.095 R)
• M19: 19,524,018 km (0.068 R)
• M20: 20,331,697 km (0.101 R)
• M21: 21,552,266 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.5

Radius: 8.9

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.84 AU - 6.06 AU

Year: 8090 Days

Day: 9.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,003,850 km

• M1: 110,702 km (0.088 R)
• M2: 416,630 km (0.11 R)
• M3: 717,172 km (0.117 R)
• M4: 1,021,454 km (0.038 R)
• M5: 1,586,785 km (0.09 R)
• M6: 2,247,409 km (0.051 R)
• M7: 2,706,375 km (0.061 R)
• M8: 4,284,034 km (0.08 R)
• M9: 4,628,708 km (0.034 R)
• M10: 5,649,713 km (0.091 R)
• M11: 7,623,657 km (0.051 R)
• M12: 9,214,182 km (0.115 R)
• M13: 9,610,466 km (0.034 R)
• M14: 11,014,592 km (0.094 R)
• M15: 14,399,842 km (0.09 R)
• M16: 18,840,206 km (0.106 R)
• M17: 21,792,371 km (0.088 R)
• M18: 23,378,258 km (0.078 R)
• M19: 29,251,021 km (0.041 R)
• M20: 29,629,803 km (0.106 R)
• M21: 31,872,126 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.3

Radius: 3

Gravity: 18.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.44 AU - 8.54 AU

Year: 14360 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,003,850 km

• M1: 37,699 km (0.051 R)
• M2: 170,542 km (0.109 R)
• M3: 289,472 km (0.111 R)
• M4: 409,150 km (0.049 R)
• M5: 517,309 km (0.109 R)
• M6: 711,936 km (0.074 R)
• M7: 897,438 km (0.111 R)
• M8: 991,834 km (0.118 R)
• M9: 1,974,991 km (0.107 R)
• M10: 4,837,696 km (0.053 R)
• M11: 4,982,656 km (0.104 R)
• M12: 5,880,692 km (0.054 R)
• M13: 6,385,136 km (0.092 R)
• M14: 6,954,356 km (0.082 R)
• M15: 11,246,918 km (0.082 R)
• M16: 19,393,120 km (0.045 R)
• M17: 19,758,737 km (0.095 R)
• M18: 20,730,974 km (0.091 R)
• M19: 21,190,239 km (0.093 R)
• M20: 22,528,243 km (0.086 R)
• M21: 23,921,597 km (0.102 R)
• M22: 26,161,975 km (0.11 R)
• M23: 26,698,283 km (0.119 R)
• M24: 27,792,442 km (0.068 R)
• M25: 28,163,744 km (0.106 R)
• M26: 35,861,602 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.4

Radius: 3.2

Gravity: 20.45 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.17 AU - 11.05 AU

Year: 20439 Days

Day: 21.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,003,850 km

• M1: 39,793 km (0.104 R)
• M2: 286,181 km (0.103 R)
• M3: 468,092 km (0.104 R)
• M4: 593,156 km (0.105 R)
• M5: 749,186 km (0.067 R)
• M6: 861,534 km (0.076 R)
• M7: 1,346,830 km (0.06 R)
• M8: 1,907,223 km (0.083 R)
• M9: 2,192,207 km (0.115 R)
• M10: 3,753,859 km (0.104 R)
• M11: 4,229,281 km (0.077 R)
• M12: 5,064,786 km (0.07 R)
• M13: 6,535,333 km (0.033 R)
• M14: 7,473,610 km (0.062 R)
• M15: 8,086,662 km (0.107 R)
• M16: 14,709,211 km (0.073 R)
• M17: 14,911,467 km (0.11 R)
• M18: 15,115,518 km (0.092 R)
• M19: 17,259,256 km (0.039 R)
• M20: 19,435,307 km (0.103 R)
• M21: 19,924,192 km (0.113 R)
• M22: 21,613,302 km (0.068 R)
• M23: 26,347,177 km (0.118 R)
• M24: 26,645,326 km (0.11 R)
• M25: 27,963,582 km (0.102 R)
• M26: 28,273,848 km (0.047 R)
• M27: 38,429,000 km (0.076 R)
• M28: 45,727,581 km (0.07 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: 243 - 10,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit