🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.3

Radius: 10.6

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.51 AU - 0.85 AU

Year: 357 Days

Day: 10.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,573,322 km

• M1: 131,796 km (0.103 R)
• M2: 593,305 km (0.113 R)
• M3: 1,024,147 km (0.1 R)
• M4: 1,669,063 km (0.106 R)
• M5: 2,221,080 km (0.038 R)
• M6: 2,726,272 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.4

Radius: 10.2

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.75 AU - 0.85 AU

Year: 455 Days

Day: 11.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,573,322 km

• M1: 127,009 km (0.091 R)
• M2: 489,484 km (0.093 R)
• M3: 866,920 km (0.091 R)
• M4: 1,196,633 km (0.068 R)
• M5: 1,519,017 km (0.087 R)
• M6: 1,950,307 km (0.102 R)
• M7: 2,708,469 km (0.11 R)
• M8: 3,460,199 km (0.07 R)
• M9: 4,114,390 km (0.035 R)
• M10: 4,692,436 km (0.091 R)
• M11: 5,041,747 km (0.085 R)
• M12: 5,793,178 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 10.7

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.48 AU - 1.66 AU

Year: 1251 Days

Day: 6 Hours

Environment

Temp: -180 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,573,322 km

• M1: 133,890 km (0.089 R)
• M2: 534,812 km (0.085 R)
• M3: 940,372 km (0.076 R)
• M4: 1,344,885 km (0.054 R)
• M5: 1,806,245 km (0.085 R)
• M6: 2,289,296 km (0.114 R)
• M7: 2,995,997 km (0.064 R)
• M8: 3,909,591 km (0.084 R)
• M9: 4,533,863 km (0.117 R)
• M10: 5,223,509 km (0.101 R)
• M11: 5,913,753 km (0.119 R)
• M12: 6,281,166 km (0.109 R)
• M13: 7,689,181 km (0.094 R)
• M14: 8,816,700 km (0.092 R)
• M15: 10,213,196 km (0.082 R)
• M16: 12,746,187 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.6

Radius: 14.6

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.75 AU - 3.13 AU

Year: 3205 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,573,322 km

• M1: 182,509 km (0.114 R)
• M2: 3,158,609 km (0.071 R)
• M3: 4,540,445 km (0.069 R)
• M4: 5,583,441 km (0.092 R)
• M5: 6,419,245 km (0.107 R)
• M6: 7,614,831 km (0.088 R)
• M7: 8,216,663 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.1

Radius: 13.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.26 AU - 4.42 AU

Year: 4784 Days

Day: 13.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,573,322 km

• M1: 172,935 km (0.098 R)
• M2: 820,993 km (0.117 R)
• M3: 1,349,373 km (0.096 R)
• M4: 3,150,531 km (0.103 R)
• M5: 3,836,737 km (0.108 R)
• M6: 6,564,953 km (0.063 R)
• M7: 9,664,172 km (0.077 R)
• M8: 11,592,638 km (0.079 R)
• M9: 13,057,052 km (0.038 R)
• M10: 14,735,689 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 14,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit