🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.2

Radius: 12.2

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.54 AU - 0.7 AU

Year: 331 Days

Day: 13.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,258,595 km

• M1: 151,842 km (0.063 R)
• M2: 539,899 km (0.117 R)
• M3: 949,647 km (0.117 R)
• M4: 1,665,024 km (0.082 R)
• M5: 2,388,928 km (0.106 R)
• M6: 2,977,895 km (0.111 R)
• M7: 4,393,689 km (0.083 R)
• M8: 4,802,241 km (0.057 R)
• M9: 5,220,666 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48

Radius: 12.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.72 AU - 0.74 AU

Year: 423 Days

Day: 6.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,258,595 km

• M1: 156,629 km (0.063 R)
• M2: 567,574 km (0.11 R)
• M3: 1,018,313 km (0.062 R)
• M4: 1,457,532 km (0.072 R)
• M5: 2,254,440 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748

Radius: 12.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.43 AU - 4.43 AU

Year: 6324 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,258,595 km

• M1: 181,462 km (0.117 R)
• M2: 599,738 km (0.098 R)
• M3: 1,015,171 km (0.118 R)
• M4: 2,008,052 km (0.113 R)
• M5: 2,511,449 km (0.101 R)
• M6: 3,776,149 km (0.091 R)
• M7: 5,610,818 km (0.092 R)
• M8: 7,260,284 km (0.034 R)
• M9: 8,337,239 km (0.063 R)
• M10: 9,169,601 km (0.034 R)
• M11: 9,606,278 km (0.101 R)
• M12: 17,607,071 km (0.107 R)
• M13: 22,004,949 km (0.055 R)
• M14: 32,595,282 km (0.101 R)
• M15: 35,933,708 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.5

Radius: 6.4

Gravity: 20.35 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.81 AU - 9.93 AU

Year: 17917 Days

Day: 15.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 50,258,595 km

• M1: 79,736 km (0.074 R)
• M2: 497,712 km (0.095 R)
• M3: 997,070 km (0.103 R)
• M4: 1,257,819 km (0.061 R)
• M5: 1,881,044 km (0.063 R)
• M6: 2,095,417 km (0.113 R)
• M7: 4,316,347 km (0.073 R)
• M8: 5,787,194 km (0.112 R)
• M9: 5,991,993 km (0.117 R)
• M10: 6,860,110 km (0.119 R)
• M11: 7,277,039 km (0.116 R)
• M12: 9,005,941 km (0.1 R)
• M13: 10,744,119 km (0.05 R)
• M14: 11,243,028 km (0.115 R)
• M15: 11,627,195 km (0.114 R)
• M16: 12,901,769 km (0.06 R)
• M17: 16,368,251 km (0.066 R)
• M18: 17,706,404 km (0.047 R)
• M19: 19,025,708 km (0.1 R)
• M20: 19,388,333 km (0.103 R)
• M21: 20,693,724 km (0.106 R)
• M22: 22,557,713 km (0.104 R)
• M23: 22,861,995 km (0.113 R)
• M24: 23,686,579 km (0.073 R)
• M25: 27,876,067 km (0.112 R)
• M26: 28,698,108 km (0.039 R)
• M27: 29,055,347 km (0.116 R)
• M28: 32,276,638 km (0.112 R)
• M29: 32,922,303 km (0.119 R)
• M30: 35,317,963 km (0.043 R)
• M31: 38,400,876 km (0.09 R)
• M32: 41,052,947 km (0.114 R)
• M33: 42,887,316 km (0.108 R)
• M34: 43,982,223 km (0.099 R)
• M35: 47,047,932 km (0.1 R)
• M36: 50,425,702 km (0.06 R)
• M37: 58,038,140 km (0.032 R)
• M38: 74,140,705 km (0.141 R)
• M39: 75,490,078 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.8

Radius: 5.8

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.04 AU - 12.4 AU

Year: 22160 Days

Day: 18 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,258,595 km

• M1: 72,555 km (0.036 R)
• M2: 301,739 km (0.101 R)
• M3: 774,618 km (0.064 R)
• M4: 1,070,971 km (0.086 R)
• M5: 1,427,164 km (0.103 R)
• M6: 1,747,602 km (0.108 R)
• M7: 2,169,020 km (0.08 R)
• M8: 2,573,233 km (0.099 R)
• M9: 3,188,679 km (0.105 R)
• M10: 3,816,990 km (0.105 R)
• M11: 4,737,465 km (0.059 R)
• M12: 6,159,094 km (0.101 R)
• M13: 6,967,222 km (0.047 R)
• M14: 7,169,478 km (0.11 R)
• M15: 9,563,343 km (0.105 R)
• M16: 9,813,620 km (0.108 R)
• M17: 12,861,677 km (0.095 R)
• M18: 15,644,497 km (0.101 R)
• M19: 20,907,649 km (0.117 R)
• M20: 29,080,330 km (0.074 R)
• M21: 32,328,698 km (0.086 R)
• M22: 34,156,335 km (0.106 R)
• M23: 35,931,165 km (0.097 R)
• M24: 37,147,994 km (0.077 R)
• M25: 38,141,174 km (0.08 R)
• M26: 40,570,344 km (0.069 R)
• M27: 45,171,227 km (0.098 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 12,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit