🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.5

Radius: 8.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.48 AU - 0.62 AU

Year: 287 Days

Day: 8.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,643,181 km

• M1: 103,223 km (0.112 R)
• M2: 412,890 km (0.054 R)
• M3: 693,685 km (0.103 R)
• M4: 1,011,880 km (0.118 R)
• M5: 1,728,304 km (0.11 R)
• M6: 3,132,280 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.6

Radius: 14.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.07 AU - 1.33 AU

Year: 924 Days

Day: 11.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,643,181 km

• M1: 181,911 km (0.104 R)
• M2: 830,268 km (0.12 R)
• M3: 1,322,445 km (0.091 R)
• M4: 1,799,214 km (0.057 R)
• M5: 2,541,069 km (0.077 R)
• M6: 3,295,491 km (0.077 R)
• M7: 4,146,105 km (0.034 R)
• M8: 4,749,284 km (0.084 R)
• M9: 6,026,251 km (0.034 R)
• M10: 6,872,676 km (0.084 R)
• M11: 8,289,667 km (0.105 R)
• M12: 9,194,884 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 11.9

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.9 AU - 2.48 AU

Year: 2278 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,643,181 km

• M1: 147,952 km (0.089 R)
• M2: 525,837 km (0.114 R)
• M3: 1,061,098 km (0.075 R)
• M4: 1,704,219 km (0.11 R)
• M5: 2,330,136 km (0.118 R)
• M6: 3,375,377 km (0.095 R)
• M7: 4,063,527 km (0.114 R)
• M8: 5,770,289 km (0.101 R)
• M9: 7,333,288 km (0.096 R)
• M10: 7,975,062 km (0.109 R)
• M11: 12,427,843 km (0.106 R)
• M12: 12,944,255 km (0.074 R)
• M13: 15,349,340 km (0.061 R)
• M14: 16,400,265 km (0.049 R)
• M15: 17,021,844 km (0.116 R)
• M16: 18,812,830 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.8

Radius: 8.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.17 AU - 4.75 AU

Year: 6621 Days

Day: 7.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,643,181 km

• M1: 140,921 km (0.115 R)
• M2: 1,081,593 km (0.082 R)
• M3: 1,606,532 km (0.076 R)
• M4: 4,657,730 km (0.101 R)
• M5: 5,130,309 km (0.083 R)
• M6: 5,860,646 km (0.072 R)
• M7: 9,277,611 km (0.112 R)
• M8: 12,262,388 km (0.114 R)
• M9: 12,729,283 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.4

Radius: 7.9

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.01 AU - 6.15 AU

Year: 9265 Days

Day: 22.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,643,181 km

• M1: 99,034 km (0.093 R)
• M2: 693,985 km (0.091 R)
• M3: 1,672,355 km (0.118 R)
• M4: 2,994,800 km (0.068 R)
• M5: 3,835,241 km (0.062 R)
• M6: 5,927,516 km (0.116 R)
• M7: 6,801,766 km (0.093 R)
• M8: 9,679,281 km (0.05 R)
• M9: 10,305,349 km (0.12 R)
• M10: 11,205,479 km (0.082 R)
• M11: 12,729,881 km (0.095 R)
• M12: 13,521,703 km (0.098 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: 450 - 12,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit