🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.3

Radius: 11.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.91 AU - 0.91 AU

Year: 569 Days

Day: 6.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,979,660 km

• M1: 143,016 km (0.111 R)
• M2: 519,105 km (0.082 R)
• M3: 904,319 km (0.078 R)
• M4: 1,418,637 km (0.057 R)
• M5: 1,779,167 km (0.117 R)
• M6: 2,429,021 km (0.082 R)
• M7: 2,953,062 km (0.108 R)
• M8: 3,359,370 km (0.041 R)
• M9: 4,106,761 km (0.071 R)
• M10: 4,556,602 km (0.1 R)
• M11: 5,309,528 km (0.12 R)
• M12: 5,793,178 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.5

Radius: 8.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.94 AU - 1.5 AU

Year: 884 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,979,660 km

• M1: 103,223 km (0.055 R)
• M2: 378,333 km (0.1 R)
• M3: 654,042 km (0.062 R)
• M4: 1,354,310 km (0.119 R)
• M5: 1,867,729 km (0.111 R)
• M6: 2,255,487 km (0.1 R)
• M7: 2,578,319 km (0.086 R)
• M8: 2,978,494 km (0.105 R)
• M9: 3,267,816 km (0.075 R)
• M10: 3,764,481 km (0.071 R)
• M11: 5,401,381 km (0.087 R)
• M12: 5,926,619 km (0.08 R)
• M13: 6,932,365 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.1

Radius: 11.4

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.08 AU - 5.3 AU

Year: 6663 Days

Day: 11.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,979,660 km

• M1: 142,268 km (0.09 R)
• M2: 820,694 km (0.104 R)
• M3: 1,337,704 km (0.112 R)
• M4: 2,079,111 km (0.109 R)
• M5: 3,426,988 km (0.098 R)
• M6: 9,224,354 km (0.074 R)
• M7: 11,190,370 km (0.098 R)
• M8: 17,880,985 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.2

Radius: 9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.9 AU - 6.16 AU

Year: 8531 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,979,660 km

• M1: 111,899 km (0.101 R)
• M2: 463,155 km (0.105 R)
• M3: 813,663 km (0.089 R)
• M4: 1,242,410 km (0.09 R)
• M5: 2,823,959 km (0.086 R)
• M6: 3,494,008 km (0.117 R)
• M7: 4,720,411 km (0.102 R)
• M8: 5,060,298 km (0.115 R)
• M9: 5,757,424 km (0.099 R)
• M10: 6,245,861 km (0.11 R)
• M11: 8,115,236 km (0.092 R)
• M12: 9,026,736 km (0.059 R)
• M13: 9,330,569 km (0.047 R)
• M14: 10,567,444 km (0.079 R)
• M15: 11,150,726 km (0.083 R)
• M16: 12,435,173 km (0.082 R)
• M17: 13,815,513 km (0.108 R)
• M18: 14,454,146 km (0.108 R)
• M19: 15,978,698 km (0.042 R)
• M20: 19,632,477 km (0.104 R)
• M21: 21,116,338 km (0.033 R)
• M22: 22,993,941 km (0.118 R)
• M23: 25,927,705 km (0.096 R)
• M24: 26,631,712 km (0.079 R)
• M25: 29,008,074 km (0.064 R)
• M26: 31,027,795 km (0.084 R)
• M27: 32,122,403 km (0.062 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 14,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit