🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.52 AU - 0.84 AU

Year: 210 Days

Day: 26.7 Hours

Environment

Temp: 150 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.73 AU - 1.21 AU

Year: 358 Days

Day: 34.3 Hours

Environment

Temp: 23 °C

Axial Tilt: 25.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.08 AU - 1.58 AU

Year: 575 Days

Day: 15.5 Hours

Environment

Temp: -26 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.91 AU - 2.13 AU

Year: 1076 Days

Day: 43.9 Hours

Environment

Temp: -67 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.5 AU - 3.38 AU

Year: 1889 Days

Day: 15.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 19.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.7

Radius: 8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 18.58 AU - 20.28 AU

Year: 32095 Days

Day: 21.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,389,534 km

• M1: 99,483 km (0.116 R)
• M2: 563,535 km (0.092 R)
• M3: 1,208,900 km (0.082 R)
• M4: 1,562,550 km (0.083 R)
• M5: 1,886,579 km (0.083 R)
• M6: 2,321,310 km (0.11 R)
• M7: 2,696,053 km (0.111 R)
• M8: 3,449,278 km (0.106 R)
• M9: 5,525,697 km (0.088 R)
• M10: 5,812,625 km (0.05 R)
• M11: 10,447,616 km (0.094 R)
• M12: 10,951,312 km (0.065 R)
• M13: 11,537,137 km (0.11 R)
• M14: 12,913,737 km (0.106 R)
• M15: 13,274,417 km (0.103 R)
• M16: 14,319,957 km (0.116 R)
• M17: 15,499,985 km (0.094 R)
• M18: 17,785,392 km (0.045 R)
• M19: 18,777,824 km (0.08 R)
• M20: 22,386,873 km (0.087 R)
• M21: 23,012,790 km (0.103 R)
• M22: 23,650,227 km (0.033 R)
• M23: 24,518,343 km (0.092 R)
• M24: 24,960,255 km (0.081 R)
• M25: 28,811,652 km (0.087 R)
• M26: 29,926,904 km (0.113 R)
• M27: 36,222,880 km (0.101 R)
• M28: 38,701,568 km (0.107 R)
• M29: 39,602,745 km (0.111 R)
• M30: 45,804,325 km (0.09 R)
• M31: 51,713,590 km (0.105 R)
• M32: 54,662,314 km (0.116 R)
• M33: 55,227,345 km (0.095 R)
• M34: 55,606,277 km (0.111 R)
• M35: 57,721,142 km (0.101 R)
• M36: 62,315,591 km (0.078 R)
• M37: 70,208,225 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 20,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit