🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.2

Radius: 8.8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.7 AU - 0.7 AU

Year: 412 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,744,300 km

• M1: 109,655 km (0.088 R)
• M2: 425,456 km (0.08 R)
• M3: 904,618 km (0.084 R)
• M4: 1,302,399 km (0.054 R)
• M5: 1,667,867 km (0.088 R)
• M6: 2,109,779 km (0.07 R)
• M7: 2,579,366 km (0.12 R)
• M8: 3,128,391 km (0.036 R)
• M9: 3,472,466 km (0.047 R)
• M10: 3,905,701 km (0.119 R)
• M11: 4,333,102 km (0.1 R)
• M12: 4,821,091 km (0.109 R)
• M13: 5,109,366 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 14.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.73 AU - 1.07 AU

Year: 600 Days

Day: 7.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,744,300 km

• M1: 177,872 km (0.1 R)
• M2: 645,365 km (0.094 R)
• M3: 1,149,510 km (0.106 R)
• M4: 3,179,404 km (0.111 R)
• M5: 3,676,667 km (0.1 R)
• M6: 5,607,676 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 10.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.49 AU - 1.79 AU

Year: 1476 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,744,300 km

• M1: 132,095 km (0.036 R)
• M2: 531,372 km (0.101 R)
• M3: 865,424 km (0.105 R)
• M4: 1,205,310 km (0.064 R)
• M5: 1,788,443 km (0.084 R)
• M6: 2,365,292 km (0.093 R)
• M7: 3,310,900 km (0.092 R)
• M8: 3,848,854 km (0.1 R)
• M9: 5,433,694 km (0.095 R)
• M10: 7,414,968 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.6

Radius: 13.5

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.1 AU - 5.18 AU

Year: 8191 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,744,300 km

• M1: 168,597 km (0.118 R)
• M2: 1,544,149 km (0.115 R)
• M3: 2,641,749 km (0.087 R)
• M4: 3,093,086 km (0.074 R)
• M5: 3,717,956 km (0.08 R)
• M6: 6,873,125 km (0.069 R)
• M7: 7,494,105 km (0.056 R)
• M8: 8,893,593 km (0.104 R)
• M9: 10,510,896 km (0.091 R)
• M10: 11,711,269 km (0.084 R)
• M11: 12,149,591 km (0.091 R)
• M12: 13,175,982 km (0.114 R)
• M13: 13,952,694 km (0.117 R)
• M14: 15,207,072 km (0.107 R)
• M15: 15,995,004 km (0.11 R)
• M16: 16,809,864 km (0.04 R)
• M17: 17,867,371 km (0.063 R)
• M18: 18,670,712 km (0.086 R)
• M19: 20,428,038 km (0.095 R)
• M20: 21,796,111 km (0.102 R)
• M21: 22,713,445 km (0.099 R)
• M22: 23,482,976 km (0.046 R)
• M23: 24,181,449 km (0.095 R)
• M24: 24,893,834 km (0.12 R)
• M25: 25,988,591 km (0.077 R)
• M26: 26,454,139 km (0.029 R)
• M27: 27,305,950 km (0.118 R)
• M28: 27,787,206 km (0.08 R)
• M29: 30,073,810 km (0.094 R)
• M30: 34,906,120 km (0.104 R)
• M31: 41,107,251 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231

Radius: 6.5

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.36 AU - 6.52 AU

Year: 11488 Days

Day: 19.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,744,300 km

• M1: 80,932 km (0.092 R)
• M2: 283,338 km (0.105 R)
• M3: 1,008,738 km (0.052 R)
• M4: 1,541,456 km (0.04 R)
• M5: 2,068,639 km (0.049 R)
• M6: 2,634,568 km (0.092 R)
• M7: 4,144,459 km (0.105 R)
• M8: 4,509,628 km (0.081 R)
• M9: 4,953,185 km (0.11 R)
• M10: 8,741,303 km (0.107 R)
• M11: 9,038,554 km (0.063 R)
• M12: 12,551,860 km (0.096 R)
• M13: 13,881,037 km (0.095 R)
• M14: 15,485,624 km (0.086 R)
• M15: 16,881,372 km (0.081 R)
• M16: 22,823,698 km (0.069 R)
• M17: 27,146,478 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.9

Radius: 5

Gravity: 34.12 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.24 AU - 7.82 AU

Year: 13102 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,744,300 km

• M1: 62,532 km (0.038 R)
• M2: 774,169 km (0.115 R)
• M3: 991,684 km (0.107 R)
• M4: 1,761,066 km (0.099 R)
• M5: 2,443,980 km (0.097 R)
• M6: 3,061,670 km (0.111 R)
• M7: 3,834,792 km (0.086 R)
• M8: 4,932,242 km (0.072 R)
• M9: 5,209,746 km (0.119 R)
• M10: 5,910,761 km (0.105 R)
• M11: 6,548,348 km (0.115 R)
• M12: 10,157,546 km (0.09 R)
• M13: 10,894,615 km (0.025 R)
• M14: 12,924,658 km (0.116 R)
• M15: 15,339,167 km (0.112 R)
• M16: 16,383,809 km (0.097 R)
• M17: 19,456,998 km (0.11 R)
• M18: 20,768,972 km (0.105 R)
• M19: 23,763,023 km (0.049 R)
• M20: 28,222,087 km (0.075 R)
• M21: 28,442,146 km (0.098 R)
• M22: 30,938,186 km (0.11 R)
• M23: 37,809,216 km (0.093 R)
• M24: 38,480,013 km (0.07 R)
• M25: 39,707,464 km (0.116 R)
• M26: 41,668,393 km (0.103 R)
• M27: 43,253,681 km (0.07 R)
• M28: 49,198,102 km (0.038 R)
• M29: 51,458,077 km (0.087 R)
• M30: 57,057,077 km (0.077 R)
• M31: 59,912,302 km (0.111 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: 195 - 19,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit