🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.7

Radius: 8.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.9 AU - 1.06 AU

Year: 647 Days

Day: 7.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,410,599 km

• M1: 105,766 km (0.077 R)
• M2: 519,853 km (0.077 R)
• M3: 851,212 km (0.043 R)
• M4: 1,604,736 km (0.109 R)
• M5: 2,605,696 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.8

Radius: 11.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.93 AU - 1.05 AU

Year: 657 Days

Day: 13.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,410,599 km

• M1: 147,952 km (0.09 R)
• M2: 527,033 km (0.119 R)
• M3: 1,111,213 km (0.112 R)
• M4: 1,853,966 km (0.077 R)
• M5: 2,444,130 km (0.056 R)
• M6: 2,983,580 km (0.09 R)
• M7: 3,852,594 km (0.118 R)
• M8: 4,244,690 km (0.098 R)
• M9: 4,772,621 km (0.099 R)
• M10: 5,209,297 km (0.11 R)
• M11: 5,978,679 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.2

Radius: 12.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.1 AU - 4.88 AU

Year: 5315 Days

Day: 9.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,410,599 km

• M1: 154,235 km (0.094 R)
• M2: 826,379 km (0.073 R)
• M3: 1,539,960 km (0.043 R)
• M4: 1,998,628 km (0.104 R)
• M5: 2,447,720 km (0.107 R)
• M6: 2,926,284 km (0.105 R)
• M7: 3,488,473 km (0.065 R)
• M8: 3,980,051 km (0.09 R)
• M9: 4,569,018 km (0.056 R)
• M10: 5,075,856 km (0.083 R)
• M11: 11,288,057 km (0.114 R)
• M12: 12,167,992 km (0.12 R)
• M13: 19,379,806 km (0.091 R)
• M14: 20,144,101 km (0.055 R)
• M15: 21,073,104 km (0.111 R)
• M16: 23,093,722 km (0.101 R)
• M17: 25,984,851 km (0.045 R)
• M18: 26,404,623 km (0.057 R)
• M19: 28,660,858 km (0.113 R)
• M20: 29,109,053 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.9

Radius: 5.8

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.82 AU - 9.22 AU

Year: 13752 Days

Day: 24.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,410,599 km

• M1: 72,106 km (0.117 R)
• M2: 310,864 km (0.108 R)
• M3: 560,842 km (0.079 R)
• M4: 807,679 km (0.114 R)
• M5: 2,564,407 km (0.072 R)
• M6: 2,863,902 km (0.114 R)
• M7: 3,461,844 km (0.066 R)
• M8: 3,879,073 km (0.107 R)
• M9: 4,609,559 km (0.09 R)
• M10: 5,396,294 km (0.112 R)
• M11: 6,025,204 km (0.072 R)
• M12: 7,193,264 km (0.102 R)
• M13: 8,375,686 km (0.111 R)
• M14: 12,244,287 km (0.062 R)
• M15: 13,384,671 km (0.062 R)
• M16: 15,874,877 km (0.086 R)
• M17: 17,368,163 km (0.093 R)
• M18: 21,749,436 km (0.096 R)
• M19: 24,019,135 km (0.113 R)
• M20: 25,707,945 km (0.065 R)
• M21: 28,048,404 km (0.035 R)
• M22: 29,023,034 km (0.075 R)
• M23: 30,222,211 km (0.118 R)
• M24: 33,256,055 km (0.076 R)
• M25: 37,180,456 km (0.106 R)
• M26: 38,000,702 km (0.105 R)
• M27: 40,657,111 km (0.029 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 18,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit