🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.44 AU - 0.6 AU

Year: 138 Days

Day: 18 Hours

Environment

Temp: 180 °C

Axial Tilt: 9.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.54 AU - 0.76 AU

Year: 193 Days

Day: 29.3 Hours

Environment

Temp: 186 °C

Axial Tilt: 57.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.96 AU - 1.34 AU

Year: 455 Days

Day: 38.3 Hours

Environment

Temp: -8 °C

Axial Tilt: 47 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.16 AU - 2.84 AU

Year: 1458 Days

Day: 19.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,438,981 km

• M1: 78,838 km (0.11 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.53 AU - 2.61 AU

Year: 1520 Days

Day: 36.3 Hours

Environment

Temp: -95 °C

Axial Tilt: 172.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.3

Radius: 14.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.14 AU - 5.3 AU

Year: 3783 Days

Day: 7.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,438,981 km

• M1: 185,352 km (0.117 R)
• M2: 1,096,852 km (0.038 R)
• M3: 2,419,746 km (0.091 R)
• M4: 3,159,208 km (0.108 R)
• M5: 3,695,516 km (0.097 R)
• M6: 4,549,271 km (0.075 R)
• M7: 5,606,629 km (0.045 R)
• M8: 6,938,499 km (0.095 R)
• M9: 8,142,163 km (0.118 R)
• M10: 9,810,030 km (0.057 R)
• M11: 10,490,850 km (0.038 R)
• M12: 12,418,568 km (0.035 R)
• M13: 13,171,045 km (0.066 R)
• M14: 13,813,269 km (0.046 R)
• M15: 14,380,395 km (0.103 R)
• M16: 16,541,485 km (0.096 R)
• M17: 19,026,755 km (0.093 R)
• M18: 19,848,496 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.4

Radius: 8.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.6 AU - 10.78 AU

Year: 9452 Days

Day: 9.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,438,981 km

• M1: 105,766 km (0.113 R)
• M2: 532,868 km (0.106 R)
• M3: 1,530,835 km (0.106 R)
• M4: 2,323,554 km (0.115 R)
• M5: 5,118,491 km (0.06 R)
• M6: 7,017,337 km (0.119 R)
• M7: 10,263,012 km (0.081 R)
• M8: 15,781,079 km (0.058 R)
• M9: 22,095,306 km (0.086 R)
• M10: 22,651,960 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.9

Radius: 3.3

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 12 AU - 14.04 AU

Year: 17334 Days

Day: 23.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,438,981 km

• M1: 40,990 km (0.056 R)
• M2: 354,697 km (0.051 R)
• M3: 649,853 km (0.081 R)
• M4: 836,252 km (0.09 R)
• M5: 1,402,330 km (0.087 R)
• M6: 1,758,224 km (0.074 R)
• M7: 1,894,657 km (0.079 R)
• M8: 2,021,666 km (0.088 R)
• M9: 4,289,121 km (0.116 R)
• M10: 12,082,721 km (0.067 R)
• M11: 12,743,495 km (0.077 R)
• M12: 14,317,414 km (0.077 R)
• M13: 14,499,923 km (0.112 R)
• M14: 25,557,599 km (0.108 R)
• M15: 27,197,342 km (0.058 R)
• M16: 33,062,326 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 15,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit