🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.52 AU - 0.82 AU

Year: 360 Days

Day: 16.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457

Radius: 9.6

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.24 AU - 1.36 AU

Year: 972 Days

Day: 9.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,520,954 km

• M1: 119,379 km (0.112 R)
• M2: 433,385 km (0.111 R)
• M3: 814,112 km (0.112 R)
• M4: 1,333,815 km (0.057 R)
• M5: 1,703,621 km (0.113 R)
• M6: 2,181,586 km (0.099 R)
• M7: 2,485,718 km (0.092 R)
• M8: 2,878,712 km (0.058 R)
• M9: 3,353,386 km (0.089 R)
• M10: 4,233,769 km (0.099 R)
• M11: 4,626,314 km (0.082 R)
• M12: 5,007,490 km (0.055 R)
• M13: 7,238,143 km (0.071 R)
• M14: 8,342,624 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.6

Radius: 11.2

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.59 AU - 2.05 AU

Year: 1611 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,520,954 km

• M1: 143,614 km (0.119 R)
• M2: 561,291 km (0.12 R)
• M3: 1,050,775 km (0.057 R)
• M4: 2,345,395 km (0.084 R)
• M5: 2,749,908 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991

Radius: 14.9

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.74 AU - 2.68 AU

Year: 2155 Days

Day: 14.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,520,954 km

• M1: 186,698 km (0.095 R)
• M2: 733,030 km (0.107 R)
• M3: 1,252,882 km (0.07 R)
• M4: 1,730,698 km (0.057 R)
• M5: 2,554,982 km (0.115 R)
• M6: 3,759,993 km (0.062 R)
• M7: 5,684,420 km (0.051 R)
• M8: 9,135,493 km (0.075 R)
• M9: 10,711,656 km (0.03 R)
• M10: 11,790,107 km (0.119 R)
• M11: 12,334,644 km (0.044 R)
• M12: 13,249,883 km (0.102 R)
• M13: 13,884,777 km (0.054 R)
• M14: 17,965,956 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 14.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.17 AU - 2.69 AU

Year: 2485 Days

Day: 10 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,520,954 km

• M1: 181,462 km (0.073 R)
• M2: 660,923 km (0.047 R)
• M3: 1,156,541 km (0.107 R)
• M4: 1,708,856 km (0.087 R)
• M5: 2,287,351 km (0.086 R)
• M6: 3,012,452 km (0.086 R)
• M7: 4,186,945 km (0.072 R)
• M8: 5,399,885 km (0.055 R)
• M9: 6,413,410 km (0.073 R)
• M10: 8,347,262 km (0.083 R)
• M11: 9,959,927 km (0.051 R)
• M12: 10,958,942 km (0.075 R)
• M13: 11,647,541 km (0.116 R)
• M14: 12,150,937 km (0.096 R)
• M15: 12,933,334 km (0.113 R)
• M16: 13,519,010 km (0.119 R)
• M17: 14,122,488 km (0.054 R)
• M18: 14,695,298 km (0.074 R)
• M19: 18,691,656 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 12.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.17 AU - 3.31 AU

Year: 2975 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,520,954 km

• M1: 158,125 km (0.118 R)
• M2: 708,496 km (0.117 R)
• M3: 1,323,044 km (0.118 R)
• M4: 2,027,949 km (0.074 R)
• M5: 2,609,286 km (0.062 R)
• M6: 3,972,721 km (0.075 R)
• M7: 5,025,142 km (0.108 R)
• M8: 6,605,943 km (0.084 R)
• M9: 7,171,124 km (0.067 R)
• M10: 7,585,958 km (0.101 R)
• M11: 9,655,196 km (0.104 R)
• M12: 10,648,376 km (0.069 R)
• M13: 11,189,622 km (0.117 R)
• M14: 14,736,587 km (0.073 R)
• M15: 15,215,151 km (0.111 R)
• M16: 18,472,195 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 10

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.66 AU - 6.64 AU

Year: 8810 Days

Day: 13.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,520,954 km

• M1: 124,316 km (0.115 R)
• M2: 525,089 km (0.112 R)
• M3: 997,967 km (0.06 R)
• M4: 1,932,954 km (0.075 R)
• M5: 2,256,534 km (0.074 R)
• M6: 2,996,296 km (0.083 R)
• M7: 3,454,215 km (0.108 R)
• M8: 4,074,298 km (0.113 R)
• M9: 5,711,348 km (0.082 R)
• M10: 6,579,015 km (0.106 R)
• M11: 7,078,822 km (0.118 R)
• M12: 8,154,281 km (0.116 R)
• M13: 8,652,741 km (0.045 R)
• M14: 9,090,464 km (0.113 R)
• M15: 9,584,586 km (0.11 R)
• M16: 10,448,065 km (0.11 R)
• M17: 12,781,941 km (0.07 R)
• M18: 14,206,711 km (0.081 R)
• M19: 22,276,469 km (0.077 R)
• M20: 22,873,215 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.9

Radius: 6.5

Gravity: 23.36 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.94 AU - 8.26 AU

Year: 12411 Days

Day: 17.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,520,954 km

• M1: 80,783 km (0.117 R)
• M2: 322,533 km (0.071 R)
• M3: 536,757 km (0.065 R)
• M4: 773,271 km (0.094 R)
• M5: 1,044,792 km (0.107 R)
• M6: 1,635,404 km (0.059 R)
• M7: 2,165,429 km (0.12 R)
• M8: 2,386,535 km (0.068 R)
• M9: 2,781,024 km (0.106 R)
• M10: 3,142,154 km (0.056 R)
• M11: 3,426,539 km (0.034 R)
• M12: 3,727,979 km (0.097 R)
• M13: 5,885,180 km (0.074 R)
• M14: 6,198,289 km (0.107 R)
• M15: 7,072,838 km (0.071 R)
• M16: 7,562,621 km (0.069 R)
• M17: 8,170,288 km (0.043 R)
• M18: 9,912,953 km (0.075 R)
• M19: 11,766,471 km (0.1 R)
• M20: 13,839,449 km (0.1 R)
• M21: 14,675,850 km (0.109 R)
• M22: 14,962,031 km (0.104 R)
• M23: 15,917,961 km (0.072 R)
• M24: 16,296,145 km (0.119 R)
• M25: 19,455,353 km (0.092 R)
• M26: 20,415,173 km (0.105 R)
• M27: 27,490,554 km (0.099 R)
• M28: 29,940,368 km (0.053 R)
• M29: 35,269,643 km (0.069 R)
• M30: 37,354,289 km (0.083 R)
• M31: 39,107,576 km (0.12 R)
• M32: 53,954,267 km (0.07 R)
• M33: 61,034,286 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 15,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit