🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.5 AU - 0.62 AU

Year: 271 Days

Day: 34 Hours

Environment

Temp: -132 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.8

Radius: 10.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.85 AU - 3.35 AU

Year: 3524 Days

Day: 10.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 157.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,830,712 km

• M1: 129,402 km (0.091 R)
• M2: 481,855 km (0.092 R)
• M3: 842,086 km (0.095 R)
• M4: 2,217,040 km (0.118 R)
• M5: 2,851,485 km (0.119 R)
• M6: 3,640,913 km (0.04 R)
• M7: 4,180,662 km (0.089 R)
• M8: 5,471,243 km (0.111 R)
• M9: 6,430,614 km (0.083 R)
• M10: 7,282,125 km (0.041 R)
• M11: 7,879,619 km (0.06 R)
• M12: 11,246,319 km (0.084 R)
• M13: 13,475,327 km (0.106 R)
• M14: 14,376,355 km (0.105 R)
• M15: 15,520,330 km (0.077 R)
• M16: 15,984,084 km (0.071 R)
• M17: 16,351,197 km (0.109 R)
• M18: 18,158,040 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.4

Radius: 11.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.18 AU - 6.2 AU

Year: 8764 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,830,712 km

• M1: 141,071 km (0.083 R)
• M2: 518,057 km (0.099 R)
• M3: 1,098,048 km (0.099 R)
• M4: 1,497,325 km (0.102 R)
• M5: 1,994,289 km (0.032 R)
• M6: 2,357,214 km (0.086 R)
• M7: 2,821,117 km (0.102 R)
• M8: 4,890,205 km (0.094 R)
• M9: 5,467,952 km (0.045 R)
• M10: 6,520,522 km (0.082 R)
• M11: 6,900,052 km (0.116 R)
• M12: 7,855,833 km (0.113 R)
• M13: 9,236,322 km (0.107 R)
• M14: 10,724,971 km (0.026 R)
• M15: 11,751,960 km (0.092 R)
• M16: 12,524,783 km (0.051 R)
• M17: 15,347,395 km (0.037 R)
• M18: 17,493,077 km (0.075 R)
• M19: 18,432,253 km (0.097 R)
• M20: 19,334,029 km (0.05 R)
• M21: 20,264,976 km (0.063 R)
• M22: 22,605,435 km (0.056 R)
• M23: 23,237,636 km (0.083 R)
• M24: 25,543,238 km (0.113 R)
• M25: 26,142,527 km (0.111 R)
• M26: 28,910,686 km (0.104 R)
• M27: 29,468,088 km (0.053 R)
• M28: 30,796,816 km (0.114 R)
• M29: 33,880,327 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181

Radius: 6.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8 AU - 10.92 AU

Year: 18787 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,830,712 km

• M1: 82,578 km (0.037 R)
• M2: 711,039 km (0.115 R)
• M3: 931,247 km (0.079 R)
• M4: 1,293,274 km (0.106 R)
• M5: 1,776,176 km (0.058 R)
• M6: 2,918,505 km (0.107 R)
• M7: 5,924,524 km (0.047 R)
• M8: 6,845,748 km (0.094 R)
• M9: 9,202,363 km (0.111 R)
• M10: 15,639,709 km (0.103 R)
• M11: 16,116,029 km (0.071 R)
• M12: 20,602,918 km (0.113 R)
• M13: 24,468,377 km (0.095 R)
• M14: 27,395,708 km (0.114 R)
• M15: 28,187,380 km (0.11 R)
• M16: 41,571,453 km (0.081 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: 314 - 12,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit