🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.9

Radius: 9.2

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.58 AU - 0.62 AU

Year: 315 Days

Day: 11.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,079,450 km

• M1: 114,442 km (0.107 R)
• M2: 448,794 km (0.1 R)
• M3: 753,973 km (0.111 R)
• M4: 1,087,128 km (0.06 R)
• M5: 1,574,218 km (0.108 R)
• M6: 2,064,151 km (0.103 R)
• M7: 2,670,920 km (0.118 R)
• M8: 3,016,491 km (0.063 R)
• M9: 3,402,604 km (0.074 R)
• M10: 3,753,111 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 10.9

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.56 AU - 1.98 AU

Year: 1597 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,079,450 km

• M1: 135,536 km (0.09 R)
• M2: 499,657 km (0.105 R)
• M3: 996,322 km (0.109 R)
• M4: 1,385,725 km (0.103 R)
• M5: 2,406,880 km (0.111 R)
• M6: 2,841,761 km (0.084 R)
• M7: 3,961,501 km (0.118 R)
• M8: 4,591,607 km (0.059 R)
• M9: 5,603,188 km (0.08 R)
• M10: 6,757,336 km (0.047 R)
• M11: 7,917,019 km (0.064 R)
• M12: 9,530,731 km (0.076 R)
• M13: 13,273,969 km (0.099 R)
• M14: 14,203,121 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.2

Radius: 14.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.9 AU - 2.48 AU

Year: 2198 Days

Day: 12 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,079,450 km

• M1: 177,872 km (0.064 R)
• M2: 959,670 km (0.105 R)
• M3: 1,503,459 km (0.116 R)
• M4: 2,443,232 km (0.108 R)
• M5: 3,598,577 km (0.103 R)
• M6: 4,446,946 km (0.106 R)
• M7: 4,976,373 km (0.036 R)
• M8: 5,927,068 km (0.051 R)
• M9: 6,598,014 km (0.09 R)
• M10: 7,112,182 km (0.106 R)
• M11: 8,449,886 km (0.091 R)
• M12: 9,766,497 km (0.073 R)
• M13: 10,512,392 km (0.11 R)
• M14: 11,497,793 km (0.028 R)
• M15: 13,974,835 km (0.027 R)
• M16: 15,862,610 km (0.087 R)
• M17: 17,105,769 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.9

Radius: 6.3

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.17 AU - 9.87 AU

Year: 16867 Days

Day: 18.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,079,450 km

• M1: 78,389 km (0.113 R)
• M2: 510,428 km (0.048 R)
• M3: 722,259 km (0.112 R)
• M4: 1,235,379 km (0.068 R)
• M5: 2,224,520 km (0.1 R)
• M6: 2,465,523 km (0.053 R)
• M7: 3,609,647 km (0.09 R)
• M8: 5,967,609 km (0.06 R)
• M9: 6,546,403 km (0.106 R)
• M10: 6,888,234 km (0.072 R)
• M11: 8,331,255 km (0.078 R)
• M12: 10,114,312 km (0.074 R)
• M13: 13,064,532 km (0.106 R)
• M14: 13,790,231 km (0.106 R)
• M15: 15,992,312 km (0.111 R)
• M16: 16,542,682 km (0.086 R)
• M17: 17,826,830 km (0.034 R)
• M18: 19,485,123 km (0.065 R)
• M19: 19,718,944 km (0.105 R)
• M20: 22,844,941 km (0.109 R)
• M21: 23,454,702 km (0.082 R)
• M22: 24,797,792 km (0.119 R)
• M23: 28,729,523 km (0.095 R)
• M24: 28,931,181 km (0.074 R)
• M25: 32,289,504 km (0.098 R)
• M26: 33,725,045 km (0.095 R)
• M27: 36,250,406 km (0.092 R)
• M28: 44,040,267 km (0.096 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 17,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit