🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.52 AU - 0.8 AU

Year: 198 Days

Day: 29.7 Hours

Environment

Temp: 128 °C

Axial Tilt: 28.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,051,970 km

• M1: 283,189 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.04 AU - 1.16 AU

Year: 426 Days

Day: 46.2 Hours

Environment

Temp: 6 °C

Axial Tilt: 3.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 39,051,970 km

• M1: 1,003,054 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.64 AU - 1.86 AU

Year: 854 Days

Day: 23.5 Hours

Environment

Temp: -55 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,051,970 km

• M1: 20,495 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.66 AU - 4.92 AU

Year: 3278 Days

Day: 33.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 142.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,051,970 km

• M1: 2,213,001 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.96 AU - 4.7 AU

Year: 3324 Days

Day: 33.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,051,970 km

• M1: 162,613 km (0.094 R)

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.5

Radius: 12.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.2 AU - 8.28 AU

Year: 6456 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,051,970 km

• M1: 154,684 km (0.111 R)
• M2: 738,116 km (0.074 R)
• M3: 1,259,913 km (0.084 R)
• M4: 2,049,491 km (0.119 R)
• M5: 2,795,984 km (0.106 R)
• M6: 3,395,273 km (0.071 R)
• M7: 4,553,909 km (0.106 R)
• M8: 8,672,338 km (0.09 R)
• M9: 10,027,246 km (0.094 R)
• M10: 17,206,298 km (0.099 R)
• M11: 18,743,865 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 8.7

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.4 AU - 9.22 AU

Year: 8839 Days

Day: 13.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,051,970 km

• M1: 108,758 km (0.115 R)
• M2: 397,033 km (0.099 R)
• M3: 784,790 km (0.086 R)
• M4: 1,170,155 km (0.104 R)
• M5: 1,572,274 km (0.052 R)
• M6: 1,940,284 km (0.038 R)
• M7: 2,733,751 km (0.054 R)
• M8: 3,076,630 km (0.076 R)
• M9: 3,849,602 km (0.066 R)
• M10: 7,132,228 km (0.095 R)
• M11: 7,706,534 km (0.038 R)
• M12: 9,938,983 km (0.1 R)
• M13: 12,625,462 km (0.087 R)
• M14: 13,294,912 km (0.026 R)
• M15: 14,105,583 km (0.082 R)
• M16: 14,948,866 km (0.084 R)
• M17: 16,537,596 km (0.066 R)
• M18: 17,068,967 km (0.054 R)
• M19: 20,575,392 km (0.115 R)
• M20: 22,375,802 km (0.106 R)
• M21: 23,190,363 km (0.116 R)
• M22: 27,469,909 km (0.064 R)
• M23: 28,498,245 km (0.086 R)
• M24: 28,783,079 km (0.093 R)
• M25: 29,843,728 km (0.118 R)
• M26: 31,130,719 km (0.071 R)
• M27: 32,868,896 km (0.096 R)
• M28: 35,541,313 km (0.113 R)
• M29: 37,439,111 km (0.071 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 15,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit