🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.94 AU - 1 AU

Year: 345 Days

Day: 19.1 Hours

Environment

Temp: 139 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.11 AU - 4.19 AU

Year: 3057 Days

Day: 36.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.72 AU - 5.48 AU

Year: 3568 Days

Day: 45.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 10.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.97 AU - 11.59 AU

Year: 11061 Days

Day: 12.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,169,868 km

• M1: 133,740 km (0.054 R)
• M2: 926,609 km (0.12 R)
• M3: 1,823,598 km (0.03 R)
• M4: 2,176,499 km (0.09 R)
• M5: 3,565,815 km (0.091 R)
• M6: 4,148,499 km (0.061 R)
• M7: 11,718,749 km (0.112 R)
• M8: 12,121,167 km (0.035 R)
• M9: 14,848,636 km (0.042 R)
• M10: 18,361,942 km (0.12 R)
• M11: 19,389,679 km (0.083 R)
• M12: 20,024,573 km (0.101 R)
• M13: 24,862,717 km (0.103 R)
• M14: 28,579,327 km (0.118 R)
• M15: 31,768,454 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.4

Radius: 4.4

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 16.42 AU - 23.38 AU

Year: 32105 Days

Day: 23.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,169,868 km

• M1: 54,753 km (0.103 R)
• M2: 453,282 km (0.074 R)
• M3: 921,373 km (0.105 R)
• M4: 1,116,898 km (0.082 R)
• M5: 1,369,718 km (0.083 R)
• M6: 1,837,959 km (0.092 R)
• M7: 2,048,593 km (0.109 R)
• M8: 2,877,964 km (0.047 R)
• M9: 3,941,306 km (0.071 R)
• M10: 4,130,397 km (0.069 R)
• M11: 8,140,667 km (0.065 R)
• M12: 10,514,187 km (0.101 R)
• M13: 11,825,412 km (0.055 R)
• M14: 14,173,351 km (0.086 R)
• M15: 14,767,703 km (0.094 R)
• M16: 18,599,354 km (0.09 R)
• M17: 21,075,049 km (0.093 R)
• M18: 21,266,684 km (0.113 R)
• M19: 21,459,515 km (0.061 R)
• M20: 23,044,505 km (0.109 R)
• M21: 27,917,356 km (0.057 R)
• M22: 29,443,105 km (0.079 R)
• M23: 29,803,037 km (0.092 R)
• M24: 34,352,907 km (0.102 R)
• M25: 34,751,585 km (0.081 R)
• M26: 35,288,193 km (0.113 R)
• M27: 37,070,053 km (0.052 R)
• M28: 42,621,181 km (0.096 R)
• M29: 46,075,097 km (0.037 R)
• M30: 56,803,209 km (0.095 R)
• M31: 59,627,467 km (0.069 R)
• M32: 68,449,703 km (0.118 R)
• M33: 68,870,073 km (0.101 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 19,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit