🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.8

Radius: 8.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.65 AU - 0.97 AU

Year: 478 Days

Day: 12.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 69.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,372,175 km

• M1: 106,962 km (0.092 R)
• M2: 403,166 km (0.073 R)
• M3: 837,748 km (0.113 R)
• M4: 1,463,965 km (0.07 R)
• M5: 1,780,963 km (0.093 R)
• M6: 2,058,168 km (0.091 R)
• M7: 2,432,910 km (0.061 R)
• M8: 2,842,958 km (0.111 R)
• M9: 3,182,994 km (0.108 R)
• M10: 4,499,754 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.8

Radius: 8.4

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.94 AU - 2.1 AU

Year: 1883 Days

Day: 10.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,372,175 km

• M1: 144,362 km (0.093 R)
• M2: 479,012 km (0.052 R)
• M3: 1,435,541 km (0.071 R)
• M4: 3,803,227 km (0.119 R)
• M5: 4,288,373 km (0.097 R)
• M6: 5,158,583 km (0.094 R)
• M7: 7,025,266 km (0.049 R)
• M8: 8,321,681 km (0.048 R)
• M9: 14,533,284 km (0.104 R)
• M10: 14,845,943 km (0.058 R)
• M11: 15,577,477 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.6

Radius: 14.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.99 AU - 3.83 AU

Year: 4131 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,372,175 km

• M1: 180,415 km (0.082 R)
• M2: 1,350,121 km (0.1 R)
• M3: 2,212,852 km (0.113 R)
• M4: 2,895,916 km (0.053 R)
• M5: 3,819,533 km (0.116 R)
• M6: 6,048,990 km (0.081 R)
• M7: 9,230,787 km (0.085 R)
• M8: 13,541,599 km (0.114 R)
• M9: 14,142,085 km (0.098 R)
• M10: 15,128,982 km (0.074 R)
• M11: 16,723,546 km (0.11 R)
• M12: 18,306,441 km (0.117 R)
• M13: 19,103,199 km (0.113 R)
• M14: 19,668,380 km (0.029 R)
• M15: 21,431,092 km (0.095 R)
• M16: 22,109,967 km (0.107 R)
• M17: 23,297,026 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.4

Radius: 7.4

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.87 AU - 9.15 AU

Year: 13501 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,372,175 km

• M1: 99,183 km (0.079 R)
• M2: 454,778 km (0.11 R)
• M3: 965,654 km (0.075 R)
• M4: 1,782,010 km (0.058 R)
• M5: 2,113,369 km (0.091 R)
• M6: 3,463,789 km (0.116 R)
• M7: 5,777,320 km (0.112 R)
• M8: 6,153,559 km (0.08 R)
• M9: 8,428,045 km (0.091 R)
• M10: 12,526,578 km (0.062 R)
• M11: 15,319,869 km (0.095 R)
• M12: 16,114,832 km (0.111 R)
• M13: 17,397,036 km (0.116 R)
• M14: 17,944,265 km (0.116 R)
• M15: 23,776,936 km (0.109 R)
• M16: 24,548,263 km (0.119 R)
• M17: 26,140,582 km (0.108 R)
• M18: 27,169,965 km (0.109 R)
• M19: 29,972,831 km (0.099 R)
• M20: 30,308,080 km (0.106 R)
• M21: 34,652,103 km (0.08 R)
• M22: 35,145,177 km (0.055 R)
• M23: 38,202,659 km (0.111 R)
• M24: 41,019,736 km (0.108 R)
• M25: 42,128,256 km (0.077 R)
• M26: 49,357,873 km (0.066 R)
• M27: 51,726,007 km (0.073 R)
• M28: 53,182,641 km (0.048 R)
• M29: 55,670,903 km (0.048 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: 458 - 19,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit