🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 11.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 6.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 11,854,900 km

• M1: 163,062 km (0.092 R)
• M2: 612,454 km (0.073 R)
• M3: 1,038,508 km (0.119 R)
• M4: 1,563,447 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.4

Radius: 14.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.5 AU - 0.6 AU

Year: 282 Days

Day: 5.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 11,854,900 km

• M1: 182,210 km (0.052 R)
• M2: 659,128 km (0.072 R)
• M3: 1,438,084 km (0.07 R)
• M4: 2,171,563 km (0.073 R)
• M5: 2,698,147 km (0.077 R)
• M6: 3,196,906 km (0.061 R)
• M7: 3,734,860 km (0.103 R)
• M8: 4,371,250 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805

Radius: 10.7

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.83 AU - 1.13 AU

Year: 670 Days

Day: 8.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,854,900 km

• M1: 133,740 km (0.034 R)
• M2: 497,263 km (0.057 R)
• M3: 866,172 km (0.092 R)
• M4: 1,267,393 km (0.026 R)
• M5: 1,950,756 km (0.11 R)
• M6: 2,646,237 km (0.116 R)
• M7: 3,196,757 km (0.09 R)
• M8: 3,779,141 km (0.092 R)
• M9: 4,479,110 km (0.089 R)
• M10: 5,015,568 km (0.075 R)
• M11: 5,939,185 km (0.092 R)
• M12: 6,339,060 km (0.105 R)
• M13: 7,082,113 km (0.113 R)
• M14: 7,509,215 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 13

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.92 AU - 3.72 AU

Year: 4176 Days

Day: 8.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 11,854,900 km

• M1: 161,715 km (0.114 R)
• M2: 604,824 km (0.058 R)
• M3: 1,023,249 km (0.064 R)
• M4: 2,260,873 km (0.067 R)
• M5: 2,819,321 km (0.101 R)
• M6: 3,830,304 km (0.042 R)
• M7: 4,512,470 km (0.093 R)
• M8: 5,095,154 km (0.116 R)
• M9: 5,977,931 km (0.074 R)
• M10: 10,599,308 km (0.037 R)
• M11: 11,766,022 km (0.026 R)
• M12: 18,427,017 km (0.114 R)
• M13: 20,433,872 km (0.1 R)
• M14: 20,957,465 km (0.117 R)
• M15: 23,640,054 km (0.062 R)
• M16: 24,582,820 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.5

Radius: 10

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.55 AU - 4.57 AU

Year: 5647 Days

Day: 11.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,854,900 km

• M1: 124,914 km (0.088 R)
• M2: 447,447 km (0.104 R)
• M3: 773,122 km (0.096 R)
• M4: 1,214,884 km (0.12 R)
• M5: 1,754,783 km (0.114 R)
• M6: 3,043,569 km (0.101 R)
• M7: 3,390,636 km (0.039 R)
• M8: 3,748,175 km (0.092 R)
• M9: 7,456,257 km (0.062 R)
• M10: 8,255,409 km (0.104 R)
• M11: 8,876,988 km (0.09 R)
• M12: 9,836,509 km (0.094 R)
• M13: 10,181,781 km (0.077 R)
• M14: 11,369,139 km (0.118 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: 166 - 19,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit