🌌 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 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.5 AU - 0.54 AU

Year: 246 Days

Day: 21.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.7

Radius: 9.4

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.55 AU - 0.89 AU

Year: 401 Days

Day: 10.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,393,488 km

• M1: 116,986 km (0.111 R)
• M2: 519,254 km (0.103 R)
• M3: 876,045 km (0.118 R)
• M4: 1,247,497 km (0.113 R)
• M5: 1,596,060 km (0.115 R)
• M6: 2,050,688 km (0.078 R)
• M7: 2,820,967 km (0.093 R)
• M8: 3,278,587 km (0.073 R)
• M9: 3,610,694 km (0.039 R)
• M10: 3,926,196 km (0.119 R)
• M11: 4,498,109 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.3

Radius: 8.1

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.84 AU - 0.86 AU

Year: 514 Days

Day: 11.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,393,488 km

• M1: 100,829 km (0.105 R)
• M2: 384,616 km (0.111 R)
• M3: 665,860 km (0.12 R)
• M4: 985,850 km (0.062 R)
• M5: 1,276,369 km (0.06 R)
• M6: 2,052,483 km (0.099 R)
• M7: 2,352,277 km (0.086 R)
• M8: 2,724,626 km (0.075 R)
• M9: 3,208,126 km (0.113 R)
• M10: 3,470,820 km (0.077 R)
• M11: 4,097,037 km (0.095 R)
• M12: 4,361,676 km (0.105 R)
• M13: 4,653,541 km (0.084 R)
• M14: 4,925,659 km (0.096 R)
• M15: 5,824,892 km (0.05 R)
• M16: 6,410,867 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.4

Radius: 10.6

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.95 AU - 1.25 AU

Year: 757 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,393,488 km

• M1: 132,993 km (0.106 R)
• M2: 700,567 km (0.066 R)
• M3: 1,178,083 km (0.095 R)
• M4: 1,568,833 km (0.086 R)
• M5: 2,320,413 km (0.103 R)
• M6: 2,821,117 km (0.063 R)
• M7: 3,825,966 km (0.109 R)
• M8: 4,544,783 km (0.05 R)
• M9: 5,275,868 km (0.044 R)
• M10: 7,317,430 km (0.075 R)
• M11: 9,058,600 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.4

Radius: 9.5

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.22 AU - 1.46 AU

Year: 1018 Days

Day: 5.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,393,488 km

• M1: 118,482 km (0.1 R)
• M2: 441,763 km (0.071 R)
• M3: 831,615 km (0.066 R)
• M4: 1,413,251 km (0.086 R)
• M5: 3,017,389 km (0.065 R)
• M6: 4,191,433 km (0.096 R)
• M7: 4,626,314 km (0.115 R)
• M8: 6,010,244 km (0.063 R)
• M9: 6,520,522 km (0.079 R)
• M10: 7,973,118 km (0.1 R)
• M11: 8,536,952 km (0.112 R)
• M12: 9,099,889 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 12.6

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.33 AU - 1.83 AU

Year: 1303 Days

Day: 6.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,393,488 km

• M1: 156,629 km (0.118 R)
• M2: 604,974 km (0.112 R)
• M3: 1,111,512 km (0.095 R)
• M4: 1,722,171 km (0.117 R)
• M5: 2,842,509 km (0.101 R)
• M6: 3,418,311 km (0.083 R)
• M7: 3,827,611 km (0.063 R)
• M8: 4,380,974 km (0.074 R)
• M9: 5,069,423 km (0.039 R)
• M10: 5,761,164 km (0.101 R)
• M11: 6,441,385 km (0.075 R)
• M12: 7,174,564 km (0.102 R)
• M13: 7,767,271 km (0.111 R)
• M14: 8,161,461 km (0.099 R)
• M15: 8,807,724 km (0.092 R)
• M16: 9,615,403 km (0.108 R)
• M17: 10,573,727 km (0.038 R)
• M18: 12,565,174 km (0.071 R)
• M19: 13,427,755 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 9.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.59 AU - 2.89 AU

Year: 2975 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,393,488 km

• M1: 117,135 km (0.083 R)
• M2: 692,339 km (0.079 R)
• M3: 1,001,857 km (0.098 R)
• M4: 1,758,972 km (0.04 R)
• M5: 2,419,147 km (0.08 R)
• M6: 2,990,162 km (0.062 R)
• M7: 4,478,811 km (0.06 R)
• M8: 5,142,427 km (0.091 R)
• M9: 7,699,802 km (0.032 R)
• M10: 8,107,008 km (0.119 R)
• M11: 11,862,513 km (0.072 R)
• M12: 13,048,076 km (0.045 R)
• M13: 14,137,896 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.3

Radius: 6.6

Gravity: 19.93 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.13 AU - 9.37 AU

Year: 14153 Days

Day: 16.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,393,488 km

• M1: 83,027 km (0.094 R)
• M2: 386,262 km (0.065 R)
• M3: 866,471 km (0.063 R)
• M4: 1,297,462 km (0.078 R)
• M5: 1,741,768 km (0.089 R)
• M6: 2,429,170 km (0.026 R)
• M7: 3,526,171 km (0.114 R)
• M8: 5,095,752 km (0.103 R)
• M9: 6,073,374 km (0.116 R)
• M10: 6,733,849 km (0.083 R)
• M11: 7,395,670 km (0.1 R)
• M12: 7,765,925 km (0.06 R)
• M13: 9,002,949 km (0.11 R)
• M14: 10,139,444 km (0.088 R)
• M15: 11,307,804 km (0.085 R)
• M16: 11,613,432 km (0.046 R)
• M17: 13,359,688 km (0.098 R)
• M18: 15,798,732 km (0.115 R)
• M19: 16,257,997 km (0.109 R)
• M20: 18,351,470 km (0.111 R)
• M21: 18,603,991 km (0.084 R)
• M22: 19,462,683 km (0.077 R)
• M23: 21,724,603 km (0.106 R)
• M24: 23,162,687 km (0.1 R)
• M25: 23,955,107 km (0.094 R)
• M26: 24,765,479 km (0.115 R)
• M27: 29,551,713 km (0.048 R)
• M28: 30,248,689 km (0.116 R)
• M29: 37,426,246 km (0.074 R)
• M30: 38,516,515 km (0.116 R)
• M31: 41,768,922 km (0.094 R)
• M32: 43,238,273 km (0.065 R)
• M33: 51,605,581 km (0.105 R)
• M34: 58,227,381 km (0.027 R)
• M35: 58,772,964 km (0.088 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 19,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit