🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.76 AU - 1.18 AU

Year: 354 Days

Day: 28.4 Hours

Environment

Temp: 22 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 63,807,020 km

• M1: 51,013 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.8 AU - 2.42 AU

Year: 1137 Days

Day: 35.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.1

Radius: 9.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.02 AU - 6.54 AU

Year: 5836 Days

Day: 8.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,807,020 km

• M1: 118,482 km (0.107 R)
• M2: 1,192,893 km (0.091 R)
• M3: 2,536,282 km (0.082 R)
• M4: 3,118,517 km (0.091 R)
• M5: 10,039,064 km (0.046 R)
• M6: 16,969,634 km (0.095 R)
• M7: 17,795,415 km (0.089 R)
• M8: 19,146,732 km (0.118 R)
• M9: 19,912,075 km (0.059 R)
• M10: 20,302,226 km (0.097 R)
• M11: 21,914,442 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.6

Radius: 5.2

Gravity: 20.62 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 12.58 AU - 13.06 AU

Year: 17023 Days

Day: 24.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,807,020 km

• M1: 67,917 km (0.033 R)
• M2: 412,142 km (0.116 R)
• M3: 752,627 km (0.08 R)
• M4: 1,002,007 km (0.109 R)
• M5: 2,273,140 km (0.039 R)
• M6: 3,399,312 km (0.052 R)
• M7: 3,993,066 km (0.101 R)
• M8: 4,457,867 km (0.076 R)
• M9: 4,720,112 km (0.088 R)
• M10: 5,951,003 km (0.075 R)
• M11: 6,598,463 km (0.032 R)
• M12: 7,291,699 km (0.088 R)
• M13: 8,371,796 km (0.079 R)
• M14: 9,341,190 km (0.104 R)
• M15: 9,608,222 km (0.106 R)
• M16: 11,561,372 km (0.097 R)
• M17: 12,501,595 km (0.097 R)
• M18: 13,222,657 km (0.103 R)
• M19: 13,901,981 km (0.059 R)
• M20: 14,891,720 km (0.084 R)
• M21: 17,895,047 km (0.071 R)
• M22: 20,822,976 km (0.032 R)
• M23: 21,928,355 km (0.107 R)
• M24: 22,305,192 km (0.071 R)
• M25: 24,456,110 km (0.094 R)
• M26: 25,168,495 km (0.113 R)
• M27: 28,601,916 km (0.09 R)
• M28: 31,492,147 km (0.04 R)
• M29: 33,440,659 km (0.07 R)
• M30: 34,444,311 km (0.077 R)
• M31: 43,207,755 km (0.113 R)
• M32: 46,223,797 km (0.099 R)
• M33: 49,377,021 km (0.076 R)
• M34: 52,670,867 km (0.056 R)
• M35: 53,857,328 km (0.088 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 11,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit