🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242

Radius: 13.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.48 AU - 3.8 AU

Year: 3650 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,392,558 km

• M1: 172,935 km (0.086 R)
• M2: 602,580 km (0.115 R)
• M3: 1,203,814 km (0.119 R)
• M4: 1,743,414 km (0.037 R)
• M5: 2,622,899 km (0.045 R)
• M6: 3,361,614 km (0.115 R)
• M7: 4,080,132 km (0.113 R)
• M8: 4,812,414 km (0.113 R)
• M9: 7,604,658 km (0.094 R)
• M10: 12,089,154 km (0.081 R)
• M11: 14,724,021 km (0.039 R)
• M12: 15,236,992 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 13.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.97 AU - 4.89 AU

Year: 5111 Days

Day: 8.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,392,558 km

• M1: 169,345 km (0.106 R)
• M2: 1,014,124 km (0.098 R)
• M3: 1,872,965 km (0.082 R)
• M4: 2,417,053 km (0.102 R)
• M5: 3,250,612 km (0.114 R)
• M6: 3,787,369 km (0.103 R)
• M7: 6,194,848 km (0.117 R)
• M8: 6,678,348 km (0.088 R)
• M9: 8,068,860 km (0.072 R)
• M10: 8,795,457 km (0.096 R)
• M11: 11,151,324 km (0.086 R)
• M12: 11,869,245 km (0.094 R)
• M13: 12,858,236 km (0.092 R)
• M14: 14,106,331 km (0.111 R)
• M15: 15,653,472 km (0.073 R)
• M16: 16,212,520 km (0.032 R)
• M17: 18,335,912 km (0.034 R)
• M18: 21,311,413 km (0.105 R)
• M19: 21,929,103 km (0.12 R)
• M20: 22,700,280 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181

Radius: 3.2

Gravity: 17.68 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.37 AU - 7.95 AU

Year: 11275 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,392,558 km

• M1: 39,793 km (0.104 R)
• M2: 237,113 km (0.099 R)
• M3: 343,626 km (0.035 R)
• M4: 471,682 km (0.051 R)
• M5: 617,989 km (0.094 R)
• M6: 1,192,893 km (0.111 R)
• M7: 1,394,551 km (0.051 R)
• M8: 2,218,088 km (0.116 R)
• M9: 4,428,546 km (0.077 R)
• M10: 6,138,449 km (0.027 R)
• M11: 15,591,389 km (0.102 R)
• M12: 21,955,133 km (0.107 R)
• M13: 22,565,343 km (0.075 R)
• M14: 23,899,157 km (0.11 R)
• M15: 32,527,963 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333

Radius: 6.5

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.53 AU - 12.13 AU

Year: 23380 Days

Day: 22.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,392,558 km

• M1: 80,783 km (0.1 R)
• M2: 1,219,671 km (0.097 R)
• M3: 1,835,715 km (0.06 R)
• M4: 2,507,410 km (0.069 R)
• M5: 7,930,183 km (0.07 R)
• M6: 16,348,055 km (0.079 R)
• M7: 18,207,706 km (0.111 R)
• M8: 22,923,331 km (0.036 R)
• M9: 30,236,572 km (0.114 R)
• M10: 37,860,080 km (0.057 R)
• M11: 38,409,702 km (0.083 R)
• M12: 39,948,167 km (0.06 R)
• M13: 41,092,590 km (0.092 R)
• M14: 49,886,851 km (0.12 R)
• M15: 53,591,343 km (0.113 R)
• M16: 55,864,333 km (0.091 R)
• M17: 56,755,487 km (0.091 R)
• M18: 57,837,230 km (0.104 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: 203 - 13,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit