🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.3

Radius: 14.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.95 AU - 1.05 AU

Year: 678 Days

Day: 5.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,518,040 km

• M1: 182,809 km (0.06 R)
• M2: 667,356 km (0.077 R)
• M3: 1,344,286 km (0.057 R)
• M4: 1,948,512 km (0.059 R)
• M5: 2,436,201 km (0.058 R)
• M6: 3,199,300 km (0.117 R)
• M7: 3,788,716 km (0.063 R)
• M8: 4,512,919 km (0.104 R)
• M9: 5,381,035 km (0.098 R)
• M10: 5,930,957 km (0.077 R)
• M11: 6,910,524 km (0.103 R)
• M12: 7,539,433 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.7

Radius: 8.4

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.79 AU - 4.65 AU

Year: 5880 Days

Day: 14.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,518,040 km

• M1: 105,018 km (0.08 R)
• M2: 420,071 km (0.106 R)
• M3: 1,188,705 km (0.104 R)
• M4: 1,941,032 km (0.102 R)
• M5: 2,524,165 km (0.076 R)
• M6: 2,935,709 km (0.072 R)
• M7: 3,250,014 km (0.067 R)
• M8: 3,570,303 km (0.08 R)
• M9: 3,946,841 km (0.09 R)
• M10: 5,770,887 km (0.116 R)
• M11: 6,098,058 km (0.066 R)
• M12: 8,870,256 km (0.076 R)
• M13: 13,658,585 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308

Radius: 11.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.58 AU - 5.48 AU

Year: 7651 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,518,040 km

• M1: 139,276 km (0.102 R)
• M2: 817,852 km (0.119 R)
• M3: 2,834,132 km (0.03 R)
• M4: 5,199,424 km (0.112 R)
• M5: 6,580,810 km (0.089 R)
• M6: 7,183,391 km (0.068 R)
• M7: 8,576,296 km (0.074 R)
• M8: 11,223,580 km (0.111 R)
• M9: 13,405,016 km (0.087 R)
• M10: 18,853,221 km (0.072 R)
• M11: 20,068,854 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362

Radius: 5.4

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.22 AU - 10.18 AU

Year: 20490 Days

Day: 18.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,518,040 km

• M1: 94,546 km (0.056 R)
• M2: 308,770 km (0.047 R)
• M3: 909,106 km (0.039 R)
• M4: 1,638,097 km (0.049 R)
• M5: 3,054,340 km (0.115 R)
• M6: 5,570,426 km (0.108 R)
• M7: 5,988,702 km (0.111 R)
• M8: 20,761,791 km (0.097 R)
• M9: 21,032,114 km (0.055 R)
• M10: 22,894,608 km (0.088 R)
• M11: 24,864,213 km (0.108 R)
• M12: 29,362,771 km (0.12 R)
• M13: 31,922,241 km (0.055 R)
• M14: 35,389,919 km (0.097 R)
• M15: 35,646,779 km (0.079 R)
• M16: 42,480,709 km (0.06 R)
• M17: 45,291,055 km (0.1 R)
• M18: 54,290,114 km (0.113 R)
• M19: 55,147,161 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 12,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit