🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.1

Radius: 8.7

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.6 AU - 0.66 AU

Year: 339 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,033,488 km

• M1: 108,309 km (0.072 R)
• M2: 476,469 km (0.104 R)
• M3: 819,497 km (0.11 R)
• M4: 1,138,141 km (0.054 R)
• M5: 1,578,706 km (0.105 R)
• M6: 2,170,216 km (0.091 R)
• M7: 2,736,295 km (0.112 R)
• M8: 3,064,812 km (0.07 R)
• M9: 3,671,431 km (0.078 R)
• M10: 4,135,633 km (0.07 R)
• M11: 4,435,278 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825

Radius: 14.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.67 AU - 2.63 AU

Year: 2138 Days

Day: 13.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,033,488 km

• M1: 184,155 km (0.098 R)
• M2: 727,046 km (0.042 R)
• M3: 1,579,604 km (0.034 R)
• M4: 2,070,285 km (0.103 R)
• M5: 2,917,458 km (0.073 R)
• M6: 4,201,307 km (0.031 R)
• M7: 4,849,963 km (0.103 R)
• M8: 5,373,855 km (0.093 R)
• M9: 6,244,066 km (0.087 R)
• M10: 6,837,969 km (0.1 R)
• M11: 7,799,584 km (0.097 R)
• M12: 8,361,175 km (0.058 R)
• M13: 9,185,908 km (0.098 R)
• M14: 9,777,418 km (0.06 R)
• M15: 11,625,849 km (0.096 R)
• M16: 12,194,470 km (0.027 R)
• M17: 16,204,890 km (0.107 R)
• M18: 16,863,869 km (0.08 R)
• M19: 17,487,991 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.8

Radius: 8.8

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.87 AU - 4.73 AU

Year: 5024 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,033,488 km

• M1: 112,348 km (0.112 R)
• M2: 419,472 km (0.085 R)
• M3: 905,366 km (0.078 R)
• M4: 1,262,756 km (0.093 R)
• M5: 1,579,604 km (0.043 R)
• M6: 1,882,091 km (0.095 R)
• M7: 2,223,324 km (0.113 R)
• M8: 2,522,669 km (0.112 R)
• M9: 2,849,091 km (0.112 R)
• M10: 3,956,564 km (0.059 R)
• M11: 5,495,328 km (0.102 R)
• M12: 7,159,604 km (0.071 R)
• M13: 7,466,579 km (0.058 R)
• M14: 8,822,235 km (0.049 R)
• M15: 10,508,353 km (0.075 R)
• M16: 12,398,971 km (0.079 R)
• M17: 12,992,725 km (0.101 R)
• M18: 13,347,870 km (0.077 R)
• M19: 13,971,544 km (0.107 R)
• M20: 15,558,927 km (0.101 R)
• M21: 15,901,954 km (0.114 R)
• M22: 16,191,426 km (0.088 R)
• M23: 16,840,980 km (0.112 R)
• M24: 17,324,181 km (0.087 R)
• M25: 21,038,697 km (0.1 R)
• M26: 21,812,118 km (0.11 R)
• M27: 22,531,534 km (0.084 R)
• M28: 22,897,001 km (0.118 R)
• M29: 23,866,096 km (0.074 R)
• M30: 25,806,081 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.7

Radius: 7.7

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.08 AU - 7.12 AU

Year: 10218 Days

Day: 18.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,033,488 km

• M1: 95,892 km (0.063 R)
• M2: 519,553 km (0.088 R)
• M3: 1,547,141 km (0.108 R)
• M4: 2,919,402 km (0.095 R)
• M5: 5,221,863 km (0.06 R)
• M6: 5,490,391 km (0.079 R)
• M7: 6,427,772 km (0.083 R)
• M8: 6,974,702 km (0.094 R)
• M9: 9,039,451 km (0.107 R)
• M10: 9,476,876 km (0.092 R)
• M11: 9,725,956 km (0.081 R)
• M12: 13,815,363 km (0.102 R)
• M13: 14,330,728 km (0.078 R)
• M14: 15,953,416 km (0.107 R)
• M15: 16,664,455 km (0.059 R)
• M16: 17,470,787 km (0.114 R)
• M17: 18,689,561 km (0.103 R)
• M18: 20,622,814 km (0.056 R)
• M19: 22,244,904 km (0.097 R)
• M20: 22,774,331 km (0.11 R)
• M21: 23,131,870 km (0.083 R)
• M22: 23,675,359 km (0.12 R)
• M23: 31,204,769 km (0.039 R)
• M24: 36,655,966 km (0.043 R)
• M25: 38,520,853 km (0.087 R)
• M26: 42,980,665 km (0.088 R)
• M27: 47,046,735 km (0.052 R)
• M28: 48,065,197 km (0.073 R)
• M29: 49,545,618 km (0.107 R)
• M30: 49,995,608 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.7

Radius: 3.3

Gravity: 50.57 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.39 AU - 6.57 AU

Year: 11188 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,033,488 km

• M1: 40,990 km (0.026 R)
• M2: 161,715 km (0.081 R)
• M3: 1,235,978 km (0.062 R)
• M4: 1,877,902 km (0.043 R)
• M5: 2,243,070 km (0.111 R)
• M6: 3,021,279 km (0.025 R)
• M7: 3,699,256 km (0.082 R)
• M8: 6,040,164 km (0.048 R)
• M9: 11,259,035 km (0.103 R)
• M10: 14,605,091 km (0.06 R)
• M11: 14,932,560 km (0.077 R)
• M12: 15,131,376 km (0.031 R)
• M13: 16,361,818 km (0.095 R)
• M14: 26,405,819 km (0.05 R)
• M15: 26,599,399 km (0.065 R)
• M16: 28,588,003 km (0.103 R)
• M17: 31,318,464 km (0.072 R)
• M18: 32,858,125 km (0.076 R)
• M19: 33,194,571 km (0.084 R)
• M20: 33,760,350 km (0.042 R)
• M21: 40,030,146 km (0.117 R)
• M22: 41,841,627 km (0.081 R)
• M23: 44,250,153 km (0.094 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 19,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit