🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966

Radius: 8.7

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 5.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,869,880 km

• M1: 108,159 km (0.054 R)
• M2: 391,647 km (0.113 R)
• M3: 842,984 km (0.093 R)
• M4: 1,131,857 km (0.063 R)
• M5: 1,418,487 km (0.089 R)
• M6: 1,754,185 km (0.085 R)
• M7: 2,402,991 km (0.085 R)
• M8: 2,763,222 km (0.048 R)
• M9: 3,159,357 km (0.115 R)
• M10: 3,498,496 km (0.098 R)
• M11: 4,157,325 km (0.081 R)
• M12: 4,765,141 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 12.1

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.02 AU - 2.54 AU

Year: 2335 Days

Day: 8.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,869,880 km

• M1: 153,787 km (0.094 R)
• M2: 566,677 km (0.066 R)
• M3: 956,828 km (0.086 R)
• M4: 1,371,513 km (0.045 R)
• M5: 2,871,830 km (0.053 R)
• M6: 4,134,885 km (0.042 R)
• M7: 4,935,084 km (0.1 R)
• M8: 5,983,765 km (0.072 R)
• M9: 7,147,337 km (0.115 R)
• M10: 8,268,723 km (0.091 R)
• M11: 8,871,752 km (0.072 R)
• M12: 10,381,494 km (0.099 R)
• M13: 14,304,100 km (0.042 R)
• M14: 15,314,783 km (0.095 R)
• M15: 16,225,385 km (0.1 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467

Radius: 3.1

Gravity: 48.6 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.42 AU - 6.88 AU

Year: 9109 Days

Day: 17.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,869,880 km

• M1: 42,635 km (0.051 R)
• M2: 142,567 km (0.047 R)
• M3: 240,105 km (0.045 R)
• M4: 800,797 km (0.104 R)
• M5: 994,527 km (0.099 R)
• M6: 1,162,226 km (0.109 R)
• M7: 1,693,298 km (0.089 R)
• M8: 2,211,655 km (0.118 R)
• M9: 2,611,380 km (0.115 R)
• M10: 3,014,846 km (0.083 R)
• M11: 3,528,415 km (0.118 R)
• M12: 4,046,174 km (0.067 R)
• M13: 5,447,906 km (0.075 R)
• M14: 6,735,943 km (0.066 R)
• M15: 7,334,185 km (0.114 R)
• M16: 14,212,994 km (0.055 R)
• M17: 15,255,692 km (0.11 R)
• M18: 15,444,783 km (0.069 R)
• M19: 22,438,484 km (0.059 R)
• M20: 22,683,076 km (0.081 R)
• M21: 27,863,501 km (0.12 R)
• M22: 34,749,341 km (0.084 R)
• M23: 35,848,886 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.6

Radius: 6.7

Gravity: 15.18 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.53 AU - 8.51 AU

Year: 12615 Days

Day: 21.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,869,880 km

• M1: 114,143 km (0.064 R)
• M2: 392,694 km (0.101 R)
• M3: 718,818 km (0.09 R)
• M4: 934,239 km (0.095 R)
• M5: 1,574,518 km (0.107 R)
• M6: 1,980,676 km (0.084 R)
• M7: 2,707,871 km (0.068 R)
• M8: 3,072,441 km (0.03 R)
• M9: 3,984,689 km (0.089 R)
• M10: 5,838,356 km (0.091 R)
• M11: 8,916,631 km (0.086 R)
• M12: 9,314,263 km (0.076 R)
• M13: 12,745,739 km (0.066 R)
• M14: 15,122,550 km (0.041 R)
• M15: 15,333,034 km (0.114 R)
• M16: 19,054,580 km (0.114 R)
• M17: 26,556,913 km (0.114 R)
• M18: 28,860,870 km (0.087 R)
• M19: 48,064,449 km (0.118 R)
• M20: 49,903,905 km (0.112 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: 302 - 16,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit