🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.49 AU - 0.59 AU

Year: 152 Days

Day: 17.3 Hours

Environment

Temp: 192 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.52 AU - 0.84 AU

Year: 215 Days

Day: 29.5 Hours

Environment

Temp: 165 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,150,158 km

• M1: 63,280 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.66 AU - 1.08 AU

Year: 311 Days

Day: 21.4 Hours

Environment

Temp: 32 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.29 AU - 2.61 AU

Year: 1468 Days

Day: 25.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.4 AU - 2.72 AU

Year: 1568 Days

Day: 32.7 Hours

Environment

Temp: -103 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.31 AU - 3.47 AU

Year: 1881 Days

Day: 20.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 122.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.9

Radius: 9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.45 AU - 6.55 AU

Year: 6345 Days

Day: 8.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,150,158 km

• M1: 111,899 km (0.101 R)
• M2: 407,654 km (0.119 R)
• M3: 1,044,642 km (0.074 R)
• M4: 1,335,759 km (0.106 R)
• M5: 2,558,722 km (0.079 R)
• M6: 2,934,661 km (0.082 R)
• M7: 3,288,610 km (0.094 R)
• M8: 4,549,720 km (0.106 R)
• M9: 5,758,920 km (0.09 R)
• M10: 6,047,943 km (0.102 R)
• M11: 6,346,690 km (0.096 R)
• M12: 6,941,640 km (0.119 R)
• M13: 8,134,384 km (0.118 R)
• M14: 11,364,801 km (0.075 R)
• M15: 12,672,735 km (0.119 R)
• M16: 17,981,066 km (0.109 R)
• M17: 19,621,855 km (0.08 R)
• M18: 20,478,602 km (0.104 R)
• M19: 23,710,963 km (0.101 R)
• M20: 24,305,914 km (0.109 R)
• M21: 24,607,055 km (0.078 R)
• M22: 25,370,901 km (0.064 R)
• M23: 25,993,228 km (0.112 R)
• M24: 26,308,282 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 13.8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.08 AU - 9.32 AU

Year: 8991 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,150,158 km

• M1: 171,738 km (0.095 R)
• M2: 943,963 km (0.099 R)
• M3: 1,633,160 km (0.079 R)
• M4: 2,624,246 km (0.097 R)
• M5: 3,301,625 km (0.108 R)
• M6: 4,260,847 km (0.11 R)
• M7: 6,537,876 km (0.093 R)
• M8: 7,703,692 km (0.097 R)
• M9: 8,403,810 km (0.09 R)
• M10: 9,338,497 km (0.079 R)
• M11: 9,881,538 km (0.105 R)
• M12: 10,976,744 km (0.106 R)
• M13: 12,679,916 km (0.061 R)
• M14: 14,618,704 km (0.106 R)
• M15: 16,039,884 km (0.057 R)
• M16: 16,604,915 km (0.076 R)
• M17: 20,278,590 km (0.087 R)
• M18: 21,023,138 km (0.065 R)
• M19: 24,369,942 km (0.104 R)
• M20: 30,033,269 km (0.076 R)
• M21: 35,081,449 km (0.05 R)
• M22: 36,154,963 km (0.115 R)
• M23: 40,538,629 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.4

Radius: 5.8

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 11.33 AU - 13.25 AU

Year: 16497 Days

Day: 19.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,150,158 km

• M1: 75,248 km (0.078 R)
• M2: 304,581 km (0.083 R)
• M3: 660,923 km (0.043 R)
• M4: 988,543 km (0.096 R)
• M5: 1,985,912 km (0.107 R)
• M6: 2,392,070 km (0.057 R)
• M7: 3,189,875 km (0.111 R)
• M8: 8,230,576 km (0.084 R)
• M9: 9,427,508 km (0.055 R)
• M10: 14,599,256 km (0.107 R)
• M11: 15,747,569 km (0.072 R)
• M12: 17,032,166 km (0.06 R)
• M13: 18,141,435 km (0.089 R)
• M14: 20,327,658 km (0.084 R)
• M15: 25,417,576 km (0.089 R)
• M16: 27,499,679 km (0.119 R)
• M17: 31,412,411 km (0.084 R)
• M18: 32,237,144 km (0.052 R)
• M19: 33,929,695 km (0.111 R)
• M20: 37,490,872 km (0.1 R)
• M21: 37,754,463 km (0.087 R)
• M22: 40,874,177 km (0.043 R)
• M23: 42,855,003 km (0.076 R)
• M24: 43,723,119 km (0.104 R)
• M25: 46,246,686 km (0.116 R)
• M26: 53,059,373 km (0.041 R)
• M27: 56,444,174 km (0.078 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 11,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit