🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.3

Radius: 14

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.64 AU - 0.86 AU

Year: 419 Days

Day: 10.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,695,348 km

• M1: 174,431 km (0.092 R)
• M2: 653,443 km (0.109 R)
• M3: 1,186,461 km (0.05 R)
• M4: 1,761,365 km (0.118 R)
• M5: 2,330,884 km (0.116 R)
• M6: 3,297,885 km (0.077 R)
• M7: 3,874,435 km (0.069 R)
• M8: 4,329,063 km (0.05 R)
• M9: 4,943,761 km (0.109 R)
• M10: 5,446,858 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.9

Radius: 12.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.72 AU - 0.94 AU

Year: 488 Days

Day: 14 Hours

Environment

Temp: -142 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,695,348 km

• M1: 157,975 km (0.105 R)
• M2: 563,984 km (0.115 R)
• M3: 959,072 km (0.069 R)
• M4: 1,384,379 km (0.102 R)
• M5: 1,792,631 km (0.115 R)
• M6: 2,363,646 km (0.103 R)
• M7: 2,903,844 km (0.113 R)
• M8: 3,324,364 km (0.109 R)
• M9: 3,888,497 km (0.073 R)
• M10: 4,544,634 km (0.115 R)
• M11: 4,976,074 km (0.066 R)
• M12: 5,733,787 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.2

Radius: 11.8

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.08 AU - 2.46 AU

Year: 2208 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,695,348 km

• M1: 146,756 km (0.079 R)
• M2: 623,524 km (0.047 R)
• M3: 1,089,521 km (0.081 R)
• M4: 1,493,884 km (0.099 R)
• M5: 3,123,155 km (0.112 R)
• M6: 3,524,526 km (0.101 R)
• M7: 4,305,876 km (0.081 R)
• M8: 4,918,928 km (0.11 R)
• M9: 6,238,830 km (0.099 R)
• M10: 7,657,317 km (0.11 R)
• M11: 8,360,127 km (0.084 R)
• M12: 8,863,524 km (0.06 R)
• M13: 9,280,753 km (0.112 R)
• M14: 10,534,682 km (0.098 R)
• M15: 10,924,235 km (0.095 R)
• M16: 12,493,068 km (0.061 R)
• M17: 14,587,139 km (0.062 R)
• M18: 16,905,607 km (0.118 R)
• M19: 17,332,559 km (0.074 R)
• M20: 18,097,154 km (0.062 R)
• M21: 19,459,841 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306

Radius: 8.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.85 AU - 2.93 AU

Year: 2386 Days

Day: 5.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,695,348 km

• M1: 106,962 km (0.094 R)
• M2: 397,781 km (0.092 R)
• M3: 862,432 km (0.103 R)
• M4: 1,441,974 km (0.085 R)
• M5: 2,006,407 km (0.086 R)
• M6: 2,864,500 km (0.1 R)
• M7: 3,266,320 km (0.066 R)
• M8: 4,239,005 km (0.086 R)
• M9: 4,702,011 km (0.118 R)
• M10: 5,219,769 km (0.107 R)
• M11: 5,683,672 km (0.102 R)
• M12: 6,198,887 km (0.089 R)
• M13: 7,322,517 km (0.096 R)
• M14: 7,623,507 km (0.106 R)
• M15: 7,904,303 km (0.098 R)
• M16: 10,578,215 km (0.108 R)
• M17: 10,963,430 km (0.091 R)
• M18: 11,357,919 km (0.118 R)
• M19: 12,559,788 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.8

Radius: 7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.41 AU - 6.73 AU

Year: 10873 Days

Day: 15.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,695,348 km

• M1: 87,216 km (0.097 R)
• M2: 400,922 km (0.102 R)
• M3: 677,678 km (0.111 R)
• M4: 1,155,793 km (0.116 R)
• M5: 1,544,149 km (0.104 R)
• M6: 3,038,333 km (0.094 R)
• M7: 4,204,448 km (0.073 R)
• M8: 4,660,722 km (0.117 R)
• M9: 4,913,841 km (0.069 R)
• M10: 6,320,061 km (0.081 R)
• M11: 6,694,056 km (0.075 R)
• M12: 7,658,663 km (0.113 R)
• M13: 9,454,137 km (0.108 R)
• M14: 14,645,482 km (0.113 R)
• M15: 15,245,220 km (0.072 R)
• M16: 15,523,173 km (0.098 R)
• M17: 16,261,737 km (0.068 R)
• M18: 16,551,957 km (0.117 R)
• M19: 19,321,612 km (0.114 R)
• M20: 26,074,011 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.8

Radius: 6.2

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.47 AU - 12.79 AU

Year: 23975 Days

Day: 24.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,695,348 km

• M1: 77,193 km (0.111 R)
• M2: 397,182 km (0.1 R)
• M3: 778,059 km (0.05 R)
• M4: 1,243,458 km (0.058 R)
• M5: 1,446,163 km (0.088 R)
• M6: 1,899,295 km (0.071 R)
• M7: 2,214,048 km (0.036 R)
• M8: 2,763,821 km (0.102 R)
• M9: 3,197,355 km (0.071 R)
• M10: 4,697,672 km (0.099 R)
• M11: 5,518,067 km (0.071 R)
• M12: 6,522,318 km (0.07 R)
• M13: 7,850,298 km (0.09 R)
• M14: 8,605,468 km (0.094 R)
• M15: 10,704,027 km (0.078 R)
• M16: 11,029,402 km (0.04 R)
• M17: 12,114,735 km (0.12 R)
• M18: 12,396,876 km (0.099 R)
• M19: 12,974,324 km (0.098 R)
• M20: 13,419,079 km (0.083 R)
• M21: 15,629,686 km (0.082 R)
• M22: 19,867,196 km (0.107 R)
• M23: 20,161,006 km (0.117 R)
• M24: 23,261,721 km (0.048 R)
• M25: 24,362,013 km (0.067 R)
• M26: 27,505,663 km (0.109 R)
• M27: 30,388,563 km (0.101 R)
• M28: 33,604,918 km (0.055 R)
• M29: 41,020,035 km (0.094 R)
• M30: 44,937,704 km (0.104 R)
• M31: 51,270,481 km (0.092 R)
• M32: 57,376,917 km (0.103 R)
• M33: 66,978,258 km (0.108 R)
• M34: 67,198,017 km (0.109 R)
• M35: 68,527,045 km (0.084 R)
• M36: 73,083,945 km (0.089 R)
• M37: 74,961,847 km (0.086 R)
• M38: 84,835,606 km (0.117 R)
• M39: 85,350,821 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 16,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit