🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.72 AU - 1.04 AU

Year: 368 Days

Day: 38.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,427,521 km

• M1: 25,282 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.9

Radius: 13.7

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.9 AU - 3.8 AU

Year: 2736 Days

Day: 12.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,427,521 km

• M1: 172,636 km (0.107 R)
• M2: 2,042,161 km (0.106 R)
• M3: 2,525,810 km (0.088 R)
• M4: 2,984,777 km (0.115 R)
• M5: 3,695,815 km (0.083 R)
• M6: 4,255,162 km (0.096 R)
• M7: 5,567,285 km (0.096 R)
• M8: 6,648,429 km (0.051 R)
• M9: 8,765,538 km (0.092 R)
• M10: 9,961,872 km (0.119 R)
• M11: 11,735,055 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.8

Radius: 10.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.29 AU - 3.49 AU

Year: 2785 Days

Day: 13.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,427,521 km

• M1: 134,788 km (0.064 R)
• M2: 559,197 km (0.103 R)
• M3: 904,618 km (0.089 R)
• M4: 1,308,084 km (0.09 R)
• M5: 1,742,815 km (0.073 R)
• M6: 2,353,773 km (0.105 R)
• M7: 3,286,815 km (0.115 R)
• M8: 3,660,062 km (0.077 R)
• M9: 4,101,525 km (0.113 R)
• M10: 4,708,593 km (0.037 R)
• M11: 6,049,887 km (0.026 R)
• M12: 6,530,994 km (0.119 R)
• M13: 8,002,588 km (0.085 R)
• M14: 8,484,294 km (0.054 R)
• M15: 9,648,165 km (0.089 R)
• M16: 11,508,564 km (0.09 R)
• M17: 13,195,579 km (0.073 R)
• M18: 13,823,292 km (0.099 R)
• M19: 16,689,587 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.9

Radius: 9

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.07 AU - 5.53 AU

Year: 4693 Days

Day: 10.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,427,521 km

• M1: 112,498 km (0.109 R)
• M2: 397,332 km (0.077 R)
• M3: 1,817,614 km (0.077 R)
• M4: 2,165,130 km (0.12 R)
• M5: 3,484,134 km (0.109 R)
• M6: 5,138,088 km (0.082 R)
• M7: 5,523,153 km (0.096 R)
• M8: 6,197,541 km (0.103 R)
• M9: 6,602,502 km (0.098 R)
• M10: 7,327,902 km (0.096 R)
• M11: 11,401,003 km (0.115 R)
• M12: 12,009,867 km (0.105 R)
• M13: 12,298,142 km (0.107 R)
• M14: 14,393,110 km (0.043 R)
• M15: 15,159,949 km (0.079 R)
• M16: 15,553,541 km (0.025 R)
• M17: 17,747,843 km (0.119 R)
• M18: 21,379,480 km (0.08 R)
• M19: 22,522,408 km (0.105 R)
• M20: 24,696,963 km (0.118 R)
• M21: 25,399,325 km (0.056 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 16,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit