🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989

Radius: 15

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.58 AU - 0.58 AU

Year: 295 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 15,264,632 km

• M1: 186,549 km (0.053 R)
• M2: 680,820 km (0.096 R)
• M3: 1,267,692 km (0.095 R)
• M4: 1,822,700 km (0.103 R)
• M5: 2,679,597 km (0.082 R)
• M6: 3,255,998 km (0.079 R)
• M7: 4,141,318 km (0.107 R)
• M8: 4,774,566 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.2

Radius: 14.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.59 AU - 0.79 AU

Year: 382 Days

Day: 10.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 15,264,632 km

• M1: 185,352 km (0.117 R)
• M2: 900,130 km (0.106 R)
• M3: 2,047,546 km (0.112 R)
• M4: 2,671,369 km (0.11 R)
• M5: 3,226,377 km (0.114 R)
• M6: 3,727,979 km (0.066 R)
• M7: 4,192,181 km (0.085 R)
• M8: 4,764,393 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 14.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.65 AU - 0.91 AU

Year: 459 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 15,264,632 km

• M1: 177,872 km (0.078 R)
• M2: 624,721 km (0.107 R)
• M3: 1,148,762 km (0.045 R)
• M4: 1,689,110 km (0.092 R)
• M5: 2,137,903 km (0.106 R)
• M6: 3,036,538 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.3

Radius: 11

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.18 AU - 1.78 AU

Year: 1201 Days

Day: 14.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,264,632 km

• M1: 137,032 km (0.1 R)
• M2: 487,539 km (0.076 R)
• M3: 995,873 km (0.072 R)
• M4: 1,354,310 km (0.054 R)
• M5: 1,895,704 km (0.082 R)
• M6: 2,300,067 km (0.065 R)
• M7: 2,787,607 km (0.099 R)
• M8: 3,187,183 km (0.109 R)
• M9: 3,640,464 km (0.075 R)
• M10: 5,012,426 km (0.037 R)
• M11: 5,986,308 km (0.112 R)
• M12: 6,985,772 km (0.091 R)
• M13: 8,014,108 km (0.118 R)
• M14: 9,083,134 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.7

Radius: 11.6

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.88 AU - 3.9 AU

Year: 4162 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,264,632 km

• M1: 733,329 km (0.032 R)
• M2: 1,397,394 km (0.077 R)
• M3: 1,989,352 km (0.109 R)
• M4: 2,842,509 km (0.087 R)
• M5: 3,329,301 km (0.075 R)
• M6: 5,068,376 km (0.103 R)
• M7: 7,944,096 km (0.119 R)
• M8: 9,495,725 km (0.038 R)
• M9: 13,986,952 km (0.085 R)
• M10: 14,418,991 km (0.103 R)
• M11: 15,174,161 km (0.06 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 15,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit