🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30

Radius: 13.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.48 AU - 0.56 AU

Year: 259 Days

Day: 13.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 72,155,291 km

• M1: 167,101 km (0.112 R)
• M2: 894,595 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.1

Radius: 8.4

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.28 AU - 1.4 AU

Year: 1071 Days

Day: 12.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,155,291 km

• M1: 106,663 km (0.109 R)
• M2: 379,679 km (0.07 R)
• M3: 667,954 km (0.1 R)
• M4: 1,811,331 km (0.111 R)
• M5: 2,283,013 km (0.082 R)
• M6: 3,009,610 km (0.097 R)
• M7: 3,411,729 km (0.066 R)
• M8: 4,502,896 km (0.093 R)
• M9: 5,410,955 km (0.101 R)
• M10: 7,304,864 km (0.081 R)
• M11: 7,767,720 km (0.102 R)
• M12: 8,168,044 km (0.115 R)
• M13: 10,801,116 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441

Radius: 14.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.49 AU - 3.13 AU

Year: 3251 Days

Day: 10.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,155,291 km

• M1: 183,407 km (0.034 R)
• M2: 776,114 km (0.112 R)
• M3: 1,777,522 km (0.098 R)
• M4: 3,051,797 km (0.105 R)
• M5: 3,586,459 km (0.111 R)
• M6: 4,539,248 km (0.075 R)
• M7: 5,029,630 km (0.115 R)
• M8: 7,880,217 km (0.117 R)
• M9: 8,760,152 km (0.092 R)
• M10: 9,560,650 km (0.108 R)
• M11: 10,071,377 km (0.116 R)
• M12: 12,556,946 km (0.097 R)
• M13: 14,552,881 km (0.084 R)
• M14: 15,626,545 km (0.077 R)
• M15: 16,647,999 km (0.054 R)
• M16: 17,228,439 km (0.055 R)
• M17: 17,822,492 km (0.066 R)
• M18: 19,223,326 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.4

Radius: 5.6

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.96 AU - 9 AU

Year: 17045 Days

Day: 20.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,155,291 km

• M1: 69,713 km (0.086 R)
• M2: 256,860 km (0.106 R)
• M3: 692,788 km (0.111 R)
• M4: 950,246 km (0.049 R)
• M5: 1,378,096 km (0.076 R)
• M6: 1,789,490 km (0.036 R)
• M7: 2,523,716 km (0.106 R)
• M8: 2,763,073 km (0.113 R)
• M9: 2,993,902 km (0.069 R)
• M10: 3,627,599 km (0.116 R)
• M11: 4,166,151 km (0.065 R)
• M12: 5,436,237 km (0.044 R)
• M13: 8,280,990 km (0.04 R)
• M14: 12,664,507 km (0.026 R)
• M15: 13,498,216 km (0.025 R)
• M16: 13,895,099 km (0.104 R)
• M17: 14,781,766 km (0.072 R)
• M18: 21,527,882 km (0.047 R)
• M19: 22,805,896 km (0.105 R)
• M20: 23,368,833 km (0.11 R)
• M21: 26,118,741 km (0.056 R)
• M22: 27,360,553 km (0.03 R)
• M23: 30,750,142 km (0.107 R)
• M24: 31,206,864 km (0.052 R)
• M25: 31,900,549 km (0.073 R)
• M26: 32,251,057 km (0.064 R)
• M27: 37,433,726 km (0.051 R)
• M28: 41,042,924 km (0.117 R)
• M29: 42,155,334 km (0.117 R)
• M30: 45,760,792 km (0.106 R)
• M31: 48,634,567 km (0.088 R)
• M32: 52,271,441 km (0.108 R)
• M33: 53,413,321 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.1

Radius: 3.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.47 AU - 11.41 AU

Year: 20020 Days

Day: 24.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,155,291 km

• M1: 44,879 km (0.064 R)
• M2: 197,170 km (0.108 R)
• M3: 476,020 km (0.085 R)
• M4: 666,459 km (0.091 R)
• M5: 906,114 km (0.077 R)
• M6: 1,079,648 km (0.116 R)
• M7: 1,618,799 km (0.033 R)
• M8: 2,081,355 km (0.086 R)
• M9: 2,334,924 km (0.083 R)
• M10: 3,302,971 km (0.111 R)
• M11: 4,088,211 km (0.094 R)
• M12: 4,773,518 km (0.118 R)
• M13: 4,990,435 km (0.106 R)
• M14: 6,017,874 km (0.072 R)
• M15: 6,764,965 km (0.097 R)
• M16: 7,463,288 km (0.118 R)
• M17: 11,784,273 km (0.113 R)
• M18: 13,369,113 km (0.066 R)
• M19: 17,973,586 km (0.116 R)
• M20: 18,300,308 km (0.119 R)
• M21: 18,432,253 km (0.116 R)
• M22: 22,839,705 km (0.028 R)
• M23: 28,870,295 km (0.025 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.5

Radius: 5.2

Gravity: 17.14 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.75 AU - 10.63 AU

Year: 22453 Days

Day: 20.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,155,291 km

• M1: 89,460 km (0.102 R)
• M2: 694,882 km (0.034 R)
• M3: 2,585,350 km (0.116 R)
• M4: 3,317,183 km (0.109 R)
• M5: 4,748,087 km (0.099 R)
• M6: 4,924,912 km (0.028 R)
• M7: 7,693,519 km (0.094 R)
• M8: 11,165,985 km (0.063 R)
• M9: 12,455,519 km (0.069 R)
• M10: 16,833,500 km (0.083 R)
• M11: 16,997,609 km (0.103 R)
• M12: 17,412,743 km (0.087 R)
• M13: 19,229,759 km (0.075 R)
• M14: 19,409,127 km (0.077 R)
• M15: 27,084,694 km (0.091 R)
• M16: 34,144,068 km (0.111 R)
• M17: 41,285,123 km (0.029 R)
• M18: 41,883,963 km (0.096 R)
• M19: 51,401,978 km (0.039 R)
• M20: 57,120,955 km (0.111 R)
• M21: 58,802,734 km (0.086 R)
• M22: 65,251,300 km (0.093 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 18,149 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit