🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 8.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.62 AU - 0.84 AU

Year: 409 Days

Day: 12.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,723,791 km

• M1: 118,332 km (0.081 R)
• M2: 505,042 km (0.11 R)
• M3: 792,121 km (0.119 R)
• M4: 1,155,045 km (0.09 R)
• M5: 1,628,223 km (0.108 R)
• M6: 2,152,265 km (0.116 R)
• M7: 2,506,812 km (0.029 R)
• M8: 3,074,535 km (0.087 R)
• M9: 3,404,249 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.6

Radius: 14

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.91 AU - 1.17 AU

Year: 696 Days

Day: 12.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,723,791 km

• M1: 175,179 km (0.078 R)
• M2: 628,461 km (0.078 R)
• M3: 1,162,974 km (0.117 R)
• M4: 1,890,468 km (0.075 R)
• M5: 2,533,739 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.3

Radius: 11.8

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.38 AU - 2.18 AU

Year: 1558 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,723,791 km

• M1: 148,999 km (0.109 R)
• M2: 870,211 km (0.072 R)
• M3: 1,473,539 km (0.078 R)
• M4: 2,683,038 km (0.111 R)
• M5: 3,318,230 km (0.067 R)
• M6: 3,819,084 km (0.092 R)
• M7: 4,255,611 km (0.098 R)
• M8: 4,994,325 km (0.075 R)
• M9: 7,815,890 km (0.12 R)
• M10: 10,409,917 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.7

Radius: 8.6

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.25 AU - 2.27 AU

Year: 2229 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,723,791 km

• M1: 106,962 km (0.082 R)
• M2: 388,954 km (0.078 R)
• M3: 719,416 km (0.049 R)
• M4: 1,523,505 km (0.081 R)
• M5: 1,894,059 km (0.046 R)
• M6: 2,632,175 km (0.119 R)
• M7: 3,137,815 km (0.034 R)
• M8: 5,362,485 km (0.072 R)
• M9: 6,150,866 km (0.081 R)
• M10: 7,096,624 km (0.071 R)
• M11: 7,896,972 km (0.065 R)
• M12: 8,411,439 km (0.104 R)
• M13: 8,883,720 km (0.099 R)
• M14: 11,363,305 km (0.097 R)
• M15: 13,619,241 km (0.062 R)
• M16: 14,852,226 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.8

Radius: 11.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.86 AU - 5.4 AU

Year: 6536 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,723,791 km

• M1: 139,276 km (0.078 R)
• M2: 510,727 km (0.063 R)
• M3: 944,711 km (0.049 R)
• M4: 2,324,003 km (0.094 R)
• M5: 3,052,844 km (0.059 R)
• M6: 3,927,991 km (0.111 R)
• M7: 4,909,802 km (0.111 R)
• M8: 6,582,157 km (0.112 R)
• M9: 7,250,410 km (0.109 R)
• M10: 8,375,237 km (0.109 R)
• M11: 9,738,522 km (0.105 R)
• M12: 10,651,518 km (0.066 R)
• M13: 12,151,087 km (0.092 R)
• M14: 12,647,453 km (0.117 R)
• M15: 13,105,671 km (0.104 R)
• M16: 14,055,318 km (0.1 R)
• M17: 15,277,533 km (0.08 R)
• M18: 17,366,368 km (0.103 R)
• M19: 17,805,887 km (0.103 R)
• M20: 21,378,882 km (0.093 R)
• M21: 22,768,347 km (0.091 R)
• M22: 23,447,222 km (0.037 R)
• M23: 24,451,473 km (0.115 R)
• M24: 25,645,713 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.6

Radius: 5.3

Gravity: 32.42 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.36 AU - 8.24 AU

Year: 12939 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 23,723,791 km

• M1: 65,973 km (0.09 R)
• M2: 321,935 km (0.048 R)
• M3: 522,396 km (0.12 R)
• M4: 930,050 km (0.063 R)
• M5: 3,388,990 km (0.058 R)
• M6: 4,898,881 km (0.111 R)
• M7: 5,464,062 km (0.084 R)
• M8: 5,954,594 km (0.098 R)
• M9: 6,310,936 km (0.113 R)
• M10: 6,893,470 km (0.114 R)
• M11: 7,420,802 km (0.085 R)
• M12: 7,648,191 km (0.117 R)
• M13: 9,585,334 km (0.081 R)
• M14: 10,297,569 km (0.102 R)
• M15: 11,704,238 km (0.051 R)
• M16: 11,950,626 km (0.109 R)
• M17: 12,389,995 km (0.116 R)
• M18: 14,678,393 km (0.108 R)
• M19: 17,076,148 km (0.088 R)
• M20: 18,284,899 km (0.078 R)
• M21: 18,533,381 km (0.103 R)
• M22: 21,052,310 km (0.055 R)
• M23: 22,064,639 km (0.042 R)
• M24: 22,916,748 km (0.045 R)
• M25: 23,594,427 km (0.113 R)
• M26: 24,585,662 km (0.064 R)
• M27: 25,398,427 km (0.104 R)
• M28: 25,811,467 km (0.095 R)
• M29: 31,714,898 km (0.105 R)
• M30: 32,314,187 km (0.063 R)
• M31: 32,556,087 km (0.104 R)
• M32: 32,921,106 km (0.092 R)
• M33: 36,461,040 km (0.09 R)
• M34: 40,107,040 km (0.048 R)
• M35: 45,336,233 km (0.035 R)
• M36: 54,003,934 km (0.053 R)
• M37: 54,174,027 km (0.036 R)
• M38: 61,833,737 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.1

Radius: 5.5

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.39 AU - 9.47 AU

Year: 17506 Days

Day: 17.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,723,791 km

• M1: 76,893 km (0.039 R)
• M2: 446,998 km (0.079 R)
• M3: 713,432 km (0.083 R)
• M4: 895,493 km (0.104 R)
• M5: 1,759,121 km (0.111 R)
• M6: 2,015,532 km (0.111 R)
• M7: 3,356,378 km (0.066 R)
• M8: 3,590,199 km (0.109 R)
• M9: 4,976,224 km (0.117 R)
• M10: 6,746,266 km (0.087 R)
• M11: 18,428,513 km (0.073 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 13,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit