🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.52 AU - 0.8 AU

Year: 188 Days

Day: 22.9 Hours

Environment

Temp: 194 °C

Axial Tilt: 34 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.72 AU - 0.92 AU

Year: 261 Days

Day: 43.8 Hours

Environment

Temp: 181 °C

Axial Tilt: 20.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.1 AU - 1.44 AU

Year: 503 Days

Day: 24 Hours

Environment

Temp: 21 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.64 AU - 1.68 AU

Year: 752 Days

Day: 45.7 Hours

Environment

Temp: -31 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,363,304 km

• M1: 194,926 km (0.1 R)
• M2: 875,148 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.53 AU - 3.57 AU

Year: 1872 Days

Day: 30.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 12.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.95 AU - 8.11 AU

Year: 6551 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,363,304 km

• M1: 152,141 km (0.094 R)
• M2: 663,467 km (0.044 R)
• M3: 1,196,933 km (0.115 R)
• M4: 1,688,362 km (0.12 R)
• M5: 2,493,049 km (0.09 R)
• M6: 3,227,724 km (0.046 R)
• M7: 4,173,332 km (0.07 R)
• M8: 5,323,739 km (0.032 R)
• M9: 5,881,739 km (0.046 R)
• M10: 8,710,635 km (0.119 R)
• M11: 10,044,300 km (0.067 R)
• M12: 13,324,084 km (0.095 R)
• M13: 15,910,482 km (0.104 R)
• M14: 19,490,359 km (0.079 R)
• M15: 20,746,682 km (0.113 R)
• M16: 24,920,013 km (0.077 R)
• M17: 26,399,087 km (0.069 R)
• M18: 29,622,174 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.4

Radius: 6.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 15.29 AU - 16.05 AU

Year: 21801 Days

Day: 19.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,363,304 km

• M1: 85,420 km (0.09 R)
• M2: 396,285 km (0.109 R)
• M3: 1,799,214 km (0.116 R)
• M4: 2,285,107 km (0.091 R)
• M5: 3,932,629 km (0.075 R)
• M6: 5,197,180 km (0.036 R)
• M7: 8,372,095 km (0.091 R)
• M8: 10,239,525 km (0.114 R)
• M9: 13,506,743 km (0.072 R)
• M10: 15,471,113 km (0.09 R)
• M11: 15,859,469 km (0.098 R)
• M12: 19,279,126 km (0.083 R)
• M13: 22,083,937 km (0.109 R)
• M14: 26,414,496 km (0.105 R)
• M15: 37,515,705 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.6

Radius: 6.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 14.64 AU - 23.54 AU

Year: 29315 Days

Day: 15.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,363,304 km

• M1: 96,790 km (0.096 R)
• M2: 368,460 km (0.12 R)
• M3: 665,112 km (0.111 R)
• M4: 1,468,901 km (0.089 R)
• M5: 2,179,043 km (0.079 R)
• M6: 2,454,003 km (0.068 R)
• M7: 2,886,940 km (0.085 R)
• M8: 3,170,278 km (0.085 R)
• M9: 3,630,292 km (0.049 R)
• M10: 4,046,772 km (0.077 R)
• M11: 8,508,528 km (0.11 R)
• M12: 9,548,383 km (0.06 R)
• M13: 12,422,158 km (0.087 R)
• M14: 12,856,890 km (0.074 R)
• M15: 18,251,239 km (0.109 R)
• M16: 18,894,361 km (0.095 R)
• M17: 20,568,062 km (0.117 R)
• M18: 23,920,849 km (0.086 R)
• M19: 24,690,829 km (0.086 R)
• M20: 28,575,138 km (0.073 R)
• M21: 30,325,732 km (0.119 R)
• M22: 31,915,210 km (0.101 R)
• M23: 32,730,518 km (0.106 R)
• M24: 40,974,408 km (0.119 R)
• M25: 41,937,220 km (0.117 R)
• M26: 42,354,299 km (0.085 R)
• M27: 42,914,842 km (0.115 R)
• M28: 50,501,100 km (0.088 R)
• M29: 51,607,525 km (0.105 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 13,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit