🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 14.9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.63 AU - 0.93 AU

Year: 476 Days

Day: 11.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,453,211 km

• M1: 185,352 km (0.113 R)
• M2: 668,852 km (0.119 R)
• M3: 1,380,788 km (0.117 R)
• M4: 2,016,579 km (0.116 R)
• M5: 2,500,678 km (0.045 R)
• M6: 3,281,130 km (0.115 R)
• M7: 3,999,798 km (0.119 R)
• M8: 4,506,636 km (0.096 R)
• M9: 5,168,307 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.5

Radius: 10.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.66 AU - 1.1 AU

Year: 570 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,453,211 km

• M1: 135,536 km (0.1 R)
• M2: 538,852 km (0.077 R)
• M3: 964,607 km (0.118 R)
• M4: 1,428,510 km (0.103 R)
• M5: 1,871,918 km (0.105 R)
• M6: 2,263,865 km (0.039 R)
• M7: 2,905,789 km (0.101 R)
• M8: 3,485,780 km (0.093 R)
• M9: 4,127,405 km (0.086 R)
• M10: 4,957,673 km (0.052 R)
• M11: 5,455,685 km (0.112 R)
• M12: 5,823,845 km (0.065 R)
• M13: 6,649,476 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.3

Radius: 13.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.45 AU - 1.89 AU

Year: 1490 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,453,211 km

• M1: 170,542 km (0.112 R)
• M2: 644,168 km (0.094 R)
• M3: 1,120,488 km (0.076 R)
• M4: 1,710,053 km (0.063 R)
• M5: 2,148,076 km (0.098 R)
• M6: 2,703,084 km (0.062 R)
• M7: 4,368,407 km (0.116 R)
• M8: 4,803,737 km (0.069 R)
• M9: 5,601,842 km (0.084 R)
• M10: 7,002,976 km (0.079 R)
• M11: 7,743,335 km (0.079 R)
• M12: 9,060,993 km (0.053 R)
• M13: 9,575,760 km (0.042 R)
• M14: 10,805,454 km (0.115 R)
• M15: 11,274,593 km (0.095 R)
• M16: 12,138,072 km (0.072 R)
• M17: 13,660,679 km (0.058 R)
• M18: 14,905,782 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.3

Radius: 5

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.51 AU - 8.65 AU

Year: 14405 Days

Day: 20.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,453,211 km

• M1: 67,768 km (0.094 R)
• M2: 367,113 km (0.083 R)
• M3: 802,593 km (0.073 R)
• M4: 2,443,232 km (0.101 R)
• M5: 2,916,859 km (0.069 R)
• M6: 4,796,407 km (0.042 R)
• M7: 6,385,735 km (0.106 R)
• M8: 7,524,623 km (0.11 R)
• M9: 8,120,172 km (0.113 R)
• M10: 11,687,932 km (0.076 R)
• M11: 14,508,002 km (0.094 R)
• M12: 14,702,030 km (0.066 R)
• M13: 15,029,200 km (0.077 R)
• M14: 21,613,601 km (0.114 R)
• M15: 23,964,233 km (0.084 R)
• M16: 25,061,682 km (0.08 R)
• M17: 25,247,782 km (0.06 R)
• M18: 27,356,065 km (0.108 R)
• M19: 32,578,527 km (0.088 R)
• M20: 33,022,982 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 13,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit