🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.69 AU - 1.09 AU

Year: 294 Days

Day: 27.2 Hours

Environment

Temp: 120 °C

Axial Tilt: 22.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.96 AU - 1 AU

Year: 339 Days

Day: 14.4 Hours

Environment

Temp: 134 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.26 AU - 1.94 AU

Year: 708 Days

Day: 14.6 Hours

Environment

Temp: -18 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.57 AU - 6.49 AU

Year: 4550 Days

Day: 14.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,983,057 km

• M1: 3,071,992 km (0.048 R)

Asteroid Belt

Center: 6.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.6

Radius: 10.1

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.88 AU - 8.84 AU

Year: 7709 Days

Day: 13.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,983,057 km

• M1: 144,212 km (0.087 R)
• M2: 572,062 km (0.094 R)
• M3: 906,862 km (0.095 R)
• M4: 3,957,163 km (0.046 R)
• M5: 4,303,482 km (0.083 R)
• M6: 10,309,388 km (0.087 R)
• M7: 13,932,648 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.4

Radius: 6.8

Gravity: 15.71 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 13.41 AU - 21.01 AU

Year: 24977 Days

Day: 20.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,983,057 km

• M1: 84,523 km (0.079 R)
• M2: 510,877 km (0.086 R)
• M3: 2,143,737 km (0.099 R)
• M4: 2,439,792 km (0.109 R)
• M5: 4,564,680 km (0.112 R)
• M6: 5,458,378 km (0.095 R)
• M7: 5,709,552 km (0.032 R)
• M8: 6,985,622 km (0.038 R)
• M9: 8,441,509 km (0.115 R)
• M10: 9,065,182 km (0.047 R)
• M11: 12,221,398 km (0.078 R)
• M12: 13,544,292 km (0.105 R)
• M13: 13,928,160 km (0.09 R)
• M14: 14,319,059 km (0.113 R)
• M15: 16,041,978 km (0.111 R)
• M16: 16,471,623 km (0.1 R)
• M17: 17,086,171 km (0.08 R)
• M18: 18,174,795 km (0.108 R)
• M19: 23,540,571 km (0.082 R)
• M20: 23,872,529 km (0.114 R)
• M21: 25,812,664 km (0.111 R)
• M22: 27,122,692 km (0.106 R)
• M23: 27,732,603 km (0.041 R)
• M24: 35,926,078 km (0.045 R)
• M25: 38,162,417 km (0.086 R)
• M26: 38,467,447 km (0.059 R)
• M27: 49,651,683 km (0.068 R)
• M28: 60,723,421 km (0.037 R)
• M29: 61,976,603 km (0.081 R)
• M30: 66,278,140 km (0.068 R)
• M31: 66,718,855 km (0.085 R)
• M32: 66,940,110 km (0.108 R)
• M33: 70,544,970 km (0.099 R)
• M34: 72,862,541 km (0.076 R)
• M35: 75,470,031 km (0.076 R)
• M36: 76,433,442 km (0.103 R)
• M37: 89,444,716 km (0.092 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 15,683 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit