🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.51 AU - 0.61 AU

Year: 146 Days

Day: 47.6 Hours

Environment

Temp: 267 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 112,371,412 km

• M1: 386,411 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.19 AU - 3.43 AU

Year: 1640 Days

Day: 44.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.59 AU - 3.47 AU

Year: 1837 Days

Day: 12.7 Hours

Environment

Temp: -84 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.93 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.02 AU - 5.64 AU

Year: 3697 Days

Day: 13.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 11.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.58 AU - 6.04 AU

Year: 4877 Days

Day: 14.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 112,371,412 km

• M1: 139,575 km (0.104 R)
• M2: 659,577 km (0.113 R)
• M3: 1,751,043 km (0.119 R)
• M4: 2,440,390 km (0.095 R)
• M5: 4,393,689 km (0.069 R)
• M6: 5,073,462 km (0.08 R)
• M7: 5,844,490 km (0.089 R)
• M8: 6,424,630 km (0.093 R)
• M9: 7,119,662 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.7

Radius: 12.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.91 AU - 10.03 AU

Year: 8585 Days

Day: 6.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 112,371,412 km

• M1: 157,975 km (0.105 R)
• M2: 848,818 km (0.109 R)
• M3: 2,567,548 km (0.108 R)
• M4: 2,966,526 km (0.066 R)
• M5: 3,623,859 km (0.065 R)
• M6: 4,876,591 km (0.115 R)
• M7: 6,020,566 km (0.11 R)
• M8: 6,825,702 km (0.108 R)
• M9: 9,795,220 km (0.062 R)
• M10: 11,124,546 km (0.098 R)
• M11: 11,787,714 km (0.065 R)
• M12: 15,834,336 km (0.089 R)
• M13: 16,845,468 km (0.05 R)
• M14: 19,246,065 km (0.098 R)
• M15: 21,257,109 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.2

Radius: 14.4

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.96 AU - 12.32 AU

Year: 12087 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 112,371,412 km

• M1: 181,163 km (0.1 R)
• M2: 642,224 km (0.091 R)
• M3: 1,218,774 km (0.09 R)
• M4: 1,742,366 km (0.105 R)
• M5: 2,237,535 km (0.071 R)
• M6: 4,992,679 km (0.067 R)
• M7: 7,019,431 km (0.042 R)
• M8: 7,527,765 km (0.111 R)
• M9: 11,017,285 km (0.079 R)
• M10: 11,755,999 km (0.105 R)
• M11: 12,266,726 km (0.117 R)
• M12: 12,952,782 km (0.116 R)
• M13: 15,771,356 km (0.105 R)
• M14: 16,267,721 km (0.105 R)
• M15: 17,886,221 km (0.101 R)
• M16: 18,769,147 km (0.083 R)
• M17: 19,326,848 km (0.108 R)
• M18: 24,939,162 km (0.057 R)
• M19: 26,911,011 km (0.088 R)
• M20: 29,730,782 km (0.06 R)
• M21: 34,063,286 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.4

Radius: 7.7

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 14.3 AU - 20.42 AU

Year: 25189 Days

Day: 16.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 112,371,412 km

• M1: 95,892 km (0.12 R)
• M2: 471,233 km (0.115 R)
• M3: 940,522 km (0.115 R)
• M4: 2,848,044 km (0.093 R)
• M5: 3,393,628 km (0.09 R)
• M6: 6,590,833 km (0.038 R)
• M7: 7,448,777 km (0.106 R)
• M8: 11,570,498 km (0.082 R)
• M9: 16,919,070 km (0.088 R)
• M10: 17,664,816 km (0.089 R)
• M11: 25,177,621 km (0.097 R)
• M12: 26,368,270 km (0.082 R)
• M13: 31,384,287 km (0.036 R)
• M14: 32,889,989 km (0.119 R)
• M15: 34,311,917 km (0.085 R)
• M16: 38,397,285 km (0.092 R)
• M17: 38,965,458 km (0.07 R)
• M18: 40,703,486 km (0.12 R)
• M19: 58,544,229 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.8

Radius: 7

Gravity: 16.04 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 17.62 AU - 24.38 AU

Year: 33514 Days

Day: 20.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 112,371,412 km

• M1: 94,845 km (0.112 R)
• M2: 638,633 km (0.108 R)
• M3: 1,156,840 km (0.111 R)
• M4: 1,779,018 km (0.094 R)
• M5: 2,297,075 km (0.105 R)
• M6: 3,241,636 km (0.089 R)
• M7: 4,346,417 km (0.109 R)
• M8: 6,103,593 km (0.115 R)
• M9: 7,490,964 km (0.107 R)
• M10: 9,202,663 km (0.089 R)
• M11: 12,504,736 km (0.051 R)
• M12: 12,896,982 km (0.099 R)
• M13: 16,334,891 km (0.079 R)
• M14: 23,383,194 km (0.068 R)
• M15: 25,951,341 km (0.055 R)
• M16: 27,500,277 km (0.104 R)
• M17: 31,065,643 km (0.116 R)
• M18: 31,495,887 km (0.05 R)
• M19: 43,231,241 km (0.1 R)
• M20: 46,515,962 km (0.083 R)
• M21: 55,237,667 km (0.104 R)
• M22: 61,770,906 km (0.075 R)
• M23: 73,771,946 km (0.066 R)
• M24: 79,244,086 km (0.099 R)
• M25: 91,574,093 km (0.114 R)
• M26: 101,618,094 km (0.07 R)

Kuiper Belt

Range: 31.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 17,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit