🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.64 AU - 0.86 AU

Year: 230 Days

Day: 12.2 Hours

Environment

Temp: 215 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,417,274 km

• M1: 29,321 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.12 AU - 1.36 AU

Year: 490 Days

Day: 33.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.16 AU - 3.46 AU

Year: 2136 Days

Day: 21.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.29 AU - 4.35 AU

Year: 2649 Days

Day: 38.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.53 AU - 5.49 AU

Year: 3978 Days

Day: 19.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.8

Radius: 9.1

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.55 AU - 8.43 AU

Year: 7272 Days

Day: 11.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,417,274 km

• M1: 113,246 km (0.073 R)
• M2: 480,060 km (0.102 R)
• M3: 1,005,298 km (0.12 R)
• M4: 1,607,878 km (0.073 R)
• M5: 2,170,964 km (0.05 R)
• M6: 2,546,006 km (0.112 R)
• M7: 3,380,912 km (0.069 R)
• M8: 3,912,583 km (0.078 R)
• M9: 4,252,170 km (0.108 R)
• M10: 5,391,358 km (0.1 R)
• M11: 5,879,795 km (0.079 R)
• M12: 7,249,962 km (0.052 R)
• M13: 10,962,233 km (0.116 R)
• M14: 12,016,599 km (0.062 R)
• M15: 12,907,603 km (0.08 R)
• M16: 13,427,755 km (0.116 R)
• M17: 15,455,554 km (0.109 R)
• M18: 18,465,912 km (0.06 R)
• M19: 18,830,931 km (0.089 R)
• M20: 21,523,094 km (0.12 R)
• M21: 22,585,239 km (0.062 R)
• M22: 23,853,680 km (0.03 R)
• M23: 25,890,006 km (0.049 R)
• M24: 26,439,778 km (0.115 R)
• M25: 27,279,022 km (0.076 R)
• M26: 29,010,468 km (0.041 R)
• M27: 30,609,819 km (0.117 R)
• M28: 36,786,266 km (0.107 R)
• M29: 38,421,221 km (0.115 R)
• M30: 41,087,205 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.8

Radius: 6.9

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 11.14 AU - 16.12 AU

Year: 17852 Days

Day: 16.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,417,274 km

• M1: 89,908 km (0.071 R)
• M2: 575,204 km (0.118 R)
• M3: 1,084,884 km (0.105 R)
• M4: 1,532,780 km (0.052 R)
• M5: 3,079,023 km (0.069 R)
• M6: 3,360,267 km (0.119 R)
• M7: 4,308,269 km (0.062 R)
• M8: 5,225,603 km (0.091 R)
• M9: 6,378,105 km (0.061 R)
• M10: 7,154,069 km (0.058 R)
• M11: 12,758,155 km (0.101 R)
• M12: 15,424,887 km (0.114 R)
• M13: 19,846,850 km (0.102 R)
• M14: 23,670,123 km (0.096 R)
• M15: 24,489,620 km (0.096 R)
• M16: 29,389,698 km (0.105 R)
• M17: 40,041,216 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.7

Radius: 3.6

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 14.6 AU - 16.46 AU

Year: 21712 Days

Day: 21.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,417,274 km

• M1: 131,497 km (0.114 R)
• M2: 426,055 km (0.082 R)
• M3: 1,307,037 km (0.107 R)
• M4: 1,988,904 km (0.104 R)
• M5: 2,122,195 km (0.069 R)
• M6: 2,859,563 km (0.119 R)
• M7: 3,508,519 km (0.047 R)
• M8: 5,215,281 km (0.116 R)
• M9: 8,397,976 km (0.116 R)
• M10: 9,900,985 km (0.066 R)
• M11: 10,192,253 km (0.07 R)
• M12: 11,100,461 km (0.097 R)
• M13: 21,902,624 km (0.09 R)
• M14: 23,924,290 km (0.106 R)
• M15: 24,098,123 km (0.096 R)
• M16: 25,792,169 km (0.054 R)
• M17: 27,468,862 km (0.097 R)
• M18: 28,920,410 km (0.115 R)
• M19: 34,458,224 km (0.106 R)
• M20: 37,416,223 km (0.089 R)
• M21: 42,290,271 km (0.096 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 14,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit