🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.77 AU - 1.11 AU

Year: 336 Days

Day: 20.6 Hours

Environment

Temp: 46 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 72,147,417 km

• M1: 534,214 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.83 AU - 3.29 AU

Year: 1975 Days

Day: 35.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 13.5

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.28 AU - 8.54 AU

Year: 7442 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,147,417 km

• M1: 168,298 km (0.073 R)
• M2: 1,006,644 km (0.065 R)
• M3: 1,578,557 km (0.097 R)
• M4: 2,146,131 km (0.095 R)
• M5: 4,508,880 km (0.094 R)
• M6: 5,037,708 km (0.111 R)
• M7: 5,549,034 km (0.042 R)
• M8: 6,980,835 km (0.094 R)
• M9: 12,340,777 km (0.105 R)
• M10: 15,281,422 km (0.086 R)
• M11: 19,543,915 km (0.105 R)
• M12: 21,465,948 km (0.084 R)
• M13: 25,517,806 km (0.109 R)
• M14: 26,183,367 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.5

Radius: 3.1

Gravity: 57.49 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 13.13 AU - 16.05 AU

Year: 20562 Days

Day: 23.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,147,417 km

• M1: 42,785 km (0.119 R)
• M2: 204,351 km (0.065 R)
• M3: 339,438 km (0.051 R)
• M4: 452,085 km (0.074 R)
• M5: 606,769 km (0.099 R)
• M6: 1,047,933 km (0.096 R)
• M7: 1,165,218 km (0.077 R)
• M8: 1,305,989 km (0.112 R)
• M9: 1,473,689 km (0.039 R)
• M10: 2,145,383 km (0.118 R)
• M11: 2,559,919 km (0.102 R)
• M12: 3,291,901 km (0.079 R)
• M13: 4,185,748 km (0.102 R)
• M14: 4,415,381 km (0.116 R)
• M15: 5,118,192 km (0.112 R)
• M16: 5,892,511 km (0.044 R)
• M17: 6,181,085 km (0.089 R)
• M18: 8,367,159 km (0.09 R)
• M19: 11,267,412 km (0.069 R)
• M20: 11,647,241 km (0.104 R)
• M21: 11,775,746 km (0.12 R)
• M22: 12,634,288 km (0.099 R)
• M23: 13,604,580 km (0.103 R)
• M24: 15,381,653 km (0.084 R)
• M25: 15,770,308 km (0.059 R)
• M26: 18,852,922 km (0.109 R)
• M27: 21,726,248 km (0.071 R)
• M28: 31,443,378 km (0.085 R)
• M29: 33,474,319 km (0.078 R)
• M30: 34,787,190 km (0.115 R)
• M31: 47,358,946 km (0.076 R)
• M32: 65,850,440 km (0.115 R)
• M33: 71,285,629 km (0.046 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: 193 - 20,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit