🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.52 AU - 0.68 AU

Year: 164 Days

Day: 21.8 Hours

Environment

Temp: 240 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.61 AU - 0.79 AU

Year: 207 Days

Day: 18.7 Hours

Environment

Temp: 176 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.57 AU - 0.85 AU

Year: 211 Days

Day: 22.3 Hours

Environment

Temp: 166 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.85 AU - 1.39 AU

Year: 419 Days

Day: 37.8 Hours

Environment

Temp: 42 °C

Axial Tilt: 23.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.17 AU - 1.75 AU

Year: 623 Days

Day: 15.6 Hours

Environment

Temp: 9 °C

Axial Tilt: 13.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.88 AU - 2.1 AU

Year: 991 Days

Day: 45.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.51 AU - 4.39 AU

Year: 2772 Days

Day: 12.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.8

Radius: 14.4

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.18 AU - 11.08 AU

Year: 12238 Days

Day: 14.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,511,365 km

• M1: 189,690 km (0.075 R)
• M2: 839,842 km (0.097 R)
• M3: 1,367,773 km (0.091 R)
• M4: 2,511,000 km (0.076 R)
• M5: 3,957,612 km (0.089 R)
• M6: 4,685,106 km (0.12 R)
• M7: 5,149,757 km (0.117 R)
• M8: 6,899,304 km (0.07 R)
• M9: 9,118,738 km (0.103 R)
• M10: 12,268,821 km (0.103 R)
• M11: 14,781,167 km (0.119 R)
• M12: 16,686,745 km (0.089 R)
• M13: 20,981,101 km (0.094 R)
• M14: 22,252,534 km (0.091 R)
• M15: 23,191,709 km (0.088 R)
• M16: 28,397,715 km (0.093 R)
• M17: 36,099,313 km (0.092 R)
• M18: 43,909,219 km (0.058 R)
• M19: 45,836,040 km (0.113 R)
• M20: 50,818,247 km (0.063 R)
• M21: 58,066,264 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.4

Radius: 7.9

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 14.21 AU - 16.65 AU

Year: 21402 Days

Day: 20.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,511,365 km

• M1: 98,585 km (0.082 R)
• M2: 392,096 km (0.087 R)
• M3: 889,210 km (0.114 R)
• M4: 1,890,319 km (0.114 R)
• M5: 3,140,957 km (0.031 R)
• M6: 3,417,264 km (0.032 R)
• M7: 3,831,800 km (0.11 R)
• M8: 4,312,607 km (0.032 R)
• M9: 5,433,694 km (0.109 R)
• M10: 5,915,997 km (0.067 R)
• M11: 8,238,504 km (0.118 R)
• M12: 8,659,473 km (0.093 R)
• M13: 9,544,494 km (0.04 R)
• M14: 10,672,162 km (0.11 R)
• M15: 11,558,231 km (0.1 R)
• M16: 12,355,887 km (0.111 R)
• M17: 13,189,745 km (0.105 R)
• M18: 15,202,435 km (0.064 R)
• M19: 15,676,062 km (0.032 R)
• M20: 18,193,195 km (0.118 R)
• M21: 20,391,686 km (0.082 R)
• M22: 22,052,073 km (0.111 R)
• M23: 24,012,403 km (0.112 R)
• M24: 24,871,544 km (0.076 R)
• M25: 26,537,316 km (0.069 R)
• M26: 28,040,026 km (0.11 R)
• M27: 28,394,723 km (0.115 R)
• M28: 29,476,764 km (0.065 R)
• M29: 35,577,814 km (0.056 R)
• M30: 38,995,228 km (0.045 R)
• M31: 41,238,747 km (0.058 R)
• M32: 44,682,790 km (0.048 R)
• M33: 48,483,473 km (0.07 R)
• M34: 52,315,423 km (0.073 R)
• M35: 53,394,472 km (0.076 R)
• M36: 57,098,665 km (0.119 R)
• M37: 58,242,490 km (0.101 R)
• M38: 66,680,109 km (0.072 R)
• M39: 72,958,882 km (0.108 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 18,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit