🌌 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: 852.5

Radius: 9.3

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.65 AU - 0.75 AU

Year: 391 Days

Day: 12.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,283,390 km

• M1: 115,639 km (0.059 R)
• M2: 405,709 km (0.031 R)
• M3: 825,780 km (0.105 R)
• M4: 1,341,444 km (0.083 R)
• M5: 1,758,523 km (0.095 R)
• M6: 2,216,143 km (0.072 R)
• M7: 2,590,437 km (0.039 R)
• M8: 3,072,890 km (0.109 R)
• M9: 4,315,599 km (0.087 R)
• M10: 4,721,309 km (0.068 R)
• M11: 5,120,735 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.2

Radius: 10.2

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.69 AU - 0.87 AU

Year: 459 Days

Day: 8.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,283,390 km

• M1: 126,859 km (0.088 R)
• M2: 767,886 km (0.064 R)
• M3: 1,092,064 km (0.07 R)
• M4: 1,839,904 km (0.071 R)
• M5: 2,657,606 km (0.103 R)
• M6: 3,259,588 km (0.073 R)
• M7: 5,157,686 km (0.105 R)
• M8: 6,095,515 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.9

Radius: 12.3

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.34 AU - 2.06 AU

Year: 1478 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,283,390 km

• M1: 163,810 km (0.108 R)
• M2: 697,126 km (0.036 R)
• M3: 1,255,874 km (0.096 R)
• M4: 1,952,103 km (0.077 R)
• M5: 2,477,191 km (0.109 R)
• M6: 2,964,132 km (0.115 R)
• M7: 3,612,789 km (0.053 R)
• M8: 4,169,143 km (0.074 R)
• M9: 5,195,235 km (0.077 R)
• M10: 5,813,822 km (0.113 R)
• M11: 6,655,609 km (0.118 R)
• M12: 7,332,240 km (0.102 R)
• M13: 7,715,361 km (0.071 R)
• M14: 8,111,795 km (0.108 R)
• M15: 10,001,066 km (0.116 R)
• M16: 10,541,863 km (0.087 R)
• M17: 11,317,079 km (0.083 R)
• M18: 12,017,047 km (0.082 R)
• M19: 13,543,993 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.9

Radius: 3.3

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.36 AU - 6.56 AU

Year: 10949 Days

Day: 22.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 156.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,283,390 km

• M1: 44,281 km (0.092 R)
• M2: 327,171 km (0.113 R)
• M3: 945,758 km (0.118 R)
• M4: 2,099,606 km (0.076 R)
• M5: 2,823,510 km (0.07 R)
• M6: 2,982,084 km (0.109 R)
• M7: 5,111,610 km (0.114 R)
• M8: 5,287,836 km (0.032 R)
• M9: 6,465,171 km (0.077 R)
• M10: 7,060,421 km (0.043 R)
• M11: 8,318,988 km (0.105 R)
• M12: 8,645,111 km (0.071 R)
• M13: 8,895,239 km (0.047 R)
• M14: 10,451,954 km (0.06 R)
• M15: 11,269,656 km (0.099 R)
• M16: 13,582,589 km (0.105 R)
• M17: 14,091,820 km (0.117 R)
• M18: 17,950,099 km (0.113 R)
• M19: 18,220,721 km (0.117 R)
• M20: 18,494,186 km (0.114 R)
• M21: 19,686,631 km (0.069 R)
• M22: 20,046,863 km (0.092 R)
• M23: 22,068,379 km (0.053 R)
• M24: 32,305,361 km (0.071 R)
• M25: 32,505,074 km (0.048 R)
• M26: 33,008,172 km (0.083 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: 486 - 14,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit