🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 13.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.52 AU - 0.86 AU

Year: 376 Days

Day: 6.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,728,578 km

• M1: 166,951 km (0.074 R)
• M2: 661,671 km (0.066 R)
• M3: 1,117,945 km (0.103 R)
• M4: 1,550,283 km (0.045 R)
• M5: 2,012,391 km (0.086 R)
• M6: 2,745,420 km (0.055 R)
• M7: 3,185,088 km (0.085 R)
• M8: 3,661,408 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 13.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.64 AU - 2.4 AU

Year: 1883 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,728,578 km

• M1: 167,998 km (0.099 R)
• M2: 973,882 km (0.106 R)
• M3: 1,417,889 km (0.089 R)
• M4: 1,961,078 km (0.058 R)
• M5: 2,741,381 km (0.109 R)
• M6: 3,232,660 km (0.052 R)
• M7: 4,661,918 km (0.11 R)
• M8: 5,228,595 km (0.096 R)
• M9: 7,136,716 km (0.096 R)
• M10: 7,711,022 km (0.109 R)
• M11: 8,397,078 km (0.085 R)
• M12: 9,009,233 km (0.114 R)
• M13: 9,443,515 km (0.117 R)
• M14: 10,198,536 km (0.099 R)
• M15: 10,702,531 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.6

Radius: 10.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.05 AU - 3.97 AU

Year: 4314 Days

Day: 12 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,728,578 km

• M1: 134,638 km (0.119 R)
• M2: 590,912 km (0.046 R)
• M3: 1,311,674 km (0.091 R)
• M4: 2,692,014 km (0.117 R)
• M5: 6,120,348 km (0.044 R)
• M6: 6,563,906 km (0.095 R)
• M7: 7,226,624 km (0.093 R)
• M8: 11,657,564 km (0.072 R)
• M9: 14,053,523 km (0.084 R)
• M10: 15,968,226 km (0.05 R)
• M11: 17,064,480 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.7

Radius: 4.4

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.88 AU - 9.98 AU

Year: 20527 Days

Day: 22.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,728,578 km

• M1: 55,052 km (0.1 R)
• M2: 303,684 km (0.113 R)
• M3: 504,145 km (0.089 R)
• M4: 1,120,189 km (0.119 R)
• M5: 1,450,501 km (0.11 R)
• M6: 2,478,538 km (0.084 R)
• M7: 2,791,646 km (0.111 R)
• M8: 3,598,577 km (0.056 R)
• M9: 4,611,055 km (0.082 R)
• M10: 5,729,150 km (0.112 R)
• M11: 6,856,070 km (0.082 R)
• M12: 7,858,077 km (0.098 R)
• M13: 8,811,614 km (0.05 R)
• M14: 9,488,694 km (0.057 R)
• M15: 11,331,889 km (0.048 R)
• M16: 15,159,500 km (0.08 R)
• M17: 15,501,182 km (0.092 R)
• M18: 16,629,299 km (0.112 R)
• M19: 17,585,230 km (0.101 R)
• M20: 20,011,707 km (0.086 R)
• M21: 23,825,705 km (0.056 R)
• M22: 24,473,912 km (0.047 R)
• M23: 26,885,281 km (0.114 R)
• M24: 30,955,689 km (0.098 R)
• M25: 33,079,530 km (0.096 R)
• M26: 34,118,786 km (0.094 R)
• M27: 34,823,542 km (0.032 R)
• M28: 43,501,266 km (0.069 R)
• M29: 45,591,896 km (0.086 R)
• M30: 47,894,656 km (0.088 R)
• M31: 48,926,133 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 18,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit