🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.46 AU - 0.64 AU

Year: 143 Days

Day: 35.5 Hours

Environment

Temp: 197 °C

Axial Tilt: 48.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,487,199 km

• M1: 151,991 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.79 AU - 1.85 AU

Year: 863 Days

Day: 22.8 Hours

Environment

Temp: -39 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.82 AU - 2.36 AU

Year: 1062 Days

Day: 12.1 Hours

Environment

Temp: -47 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,487,199 km

• M1: 835,205 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.85 AU - 3.87 AU

Year: 2165 Days

Day: 43.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.25 AU - 3.47 AU

Year: 2165 Days

Day: 42.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.07 AU - 4.33 AU

Year: 2501 Days

Day: 14.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,487,199 km

• M1: 217,216 km (0.086 R)
• M2: 2,709,068 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.2

Radius: 4.4

Gravity: 46.5 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 12.69 AU - 14.11 AU

Year: 17240 Days

Day: 20.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,487,199 km

• M1: 54,753 km (0.09 R)
• M2: 198,516 km (0.108 R)
• M3: 352,303 km (0.082 R)
• M4: 494,571 km (0.077 R)
• M5: 1,442,722 km (0.116 R)
• M6: 1,800,859 km (0.109 R)
• M7: 2,993,453 km (0.066 R)
• M8: 3,179,254 km (0.106 R)
• M9: 3,486,827 km (0.08 R)
• M10: 3,633,134 km (0.113 R)
• M11: 4,494,967 km (0.067 R)
• M12: 5,603,487 km (0.049 R)
• M13: 8,241,496 km (0.101 R)
• M14: 10,418,295 km (0.038 R)
• M15: 10,783,912 km (0.082 R)
• M16: 11,605,653 km (0.053 R)
• M17: 13,019,951 km (0.115 R)
• M18: 13,732,187 km (0.078 R)
• M19: 13,877,746 km (0.08 R)
• M20: 21,446,800 km (0.029 R)
• M21: 21,741,208 km (0.107 R)
• M22: 25,486,989 km (0.113 R)
• M23: 26,712,046 km (0.101 R)
• M24: 28,800,432 km (0.07 R)
• M25: 30,745,803 km (0.068 R)
• M26: 35,713,799 km (0.107 R)
• M27: 36,964,138 km (0.09 R)
• M28: 37,245,831 km (0.096 R)
• M29: 40,142,644 km (0.091 R)
• M30: 43,655,351 km (0.051 R)
• M31: 47,533,676 km (0.119 R)
• M32: 48,537,927 km (0.117 R)
• M33: 50,070,557 km (0.1 R)
• M34: 52,696,299 km (0.066 R)
• M35: 54,679,219 km (0.1 R)
• M36: 59,562,542 km (0.11 R)
• M37: 63,915,092 km (0.037 R)
• M38: 68,051,772 km (0.117 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 18,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit