🌌 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: 329

Radius: 12.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.67 AU - 0.95 AU

Year: 503 Days

Day: 12.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,618,866 km

• M1: 163,510 km (0.063 R)
• M2: 617,690 km (0.119 R)
• M3: 1,800,261 km (0.062 R)
• M4: 2,546,754 km (0.104 R)
• M5: 3,096,377 km (0.097 R)
• M6: 4,462,953 km (0.106 R)
• M7: 4,910,999 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.7

Radius: 11.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.94 AU - 1.34 AU

Year: 840 Days

Day: 14.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 36,618,866 km

• M1: 153,936 km (0.043 R)
• M2: 514,168 km (0.06 R)
• M3: 1,324,988 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 10.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.03 AU - 1.45 AU

Year: 953 Days

Day: 6.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,618,866 km

• M1: 135,984 km (0.115 R)
• M2: 690,993 km (0.079 R)
• M3: 1,410,259 km (0.041 R)
• M4: 1,839,755 km (0.071 R)
• M5: 2,811,842 km (0.106 R)
• M6: 3,198,702 km (0.034 R)
• M7: 3,744,136 km (0.063 R)
• M8: 4,871,056 km (0.058 R)
• M9: 6,389,026 km (0.077 R)
• M10: 8,174,476 km (0.105 R)
• M11: 8,689,093 km (0.118 R)
• M12: 9,843,540 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.3

Radius: 13.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.25 AU - 1.39 AU

Year: 1047 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 137.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,618,866 km

• M1: 170,392 km (0.083 R)
• M2: 637,736 km (0.1 R)
• M3: 1,096,403 km (0.1 R)
• M4: 1,535,024 km (0.086 R)
• M5: 1,971,999 km (0.11 R)
• M6: 2,493,497 km (0.106 R)
• M7: 3,236,251 km (0.111 R)
• M8: 3,703,594 km (0.097 R)
• M9: 5,311,323 km (0.042 R)
• M10: 5,787,642 km (0.103 R)
• M11: 7,207,177 km (0.071 R)
• M12: 8,873,996 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 12

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.42 AU - 1.44 AU

Year: 1180 Days

Day: 6.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,618,866 km

• M1: 149,598 km (0.08 R)
• M2: 597,494 km (0.057 R)
• M3: 1,109,567 km (0.088 R)
• M4: 1,572,722 km (0.081 R)
• M5: 1,952,252 km (0.111 R)
• M6: 2,626,789 km (0.102 R)
• M7: 4,589,064 km (0.06 R)
• M8: 5,012,875 km (0.119 R)
• M9: 5,611,566 km (0.034 R)
• M10: 7,357,522 km (0.098 R)
• M11: 10,129,421 km (0.083 R)
• M12: 10,885,040 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217

Radius: 7.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.34 AU - 7.98 AU

Year: 11864 Days

Day: 15.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,618,866 km

• M1: 101,577 km (0.06 R)
• M2: 352,752 km (0.072 R)
• M3: 785,538 km (0.106 R)
• M4: 1,664,127 km (0.106 R)
• M5: 2,298,122 km (0.068 R)
• M6: 2,652,370 km (0.049 R)
• M7: 4,264,736 km (0.073 R)
• M8: 5,057,605 km (0.092 R)
• M9: 5,722,119 km (0.106 R)
• M10: 12,147,796 km (0.074 R)
• M11: 18,517,673 km (0.072 R)
• M12: 21,513,071 km (0.077 R)
• M13: 22,211,394 km (0.109 R)
• M14: 24,230,218 km (0.09 R)
• M15: 27,892,224 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 10,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit