🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.09 AU - 1.57 AU

Year: 695 Days

Day: 42.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,959,983 km

• M1: 50,863 km (0.069 R)

Asteroid Belt

Center: 1.83 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.5

Radius: 8.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.92 AU - 2.74 AU

Year: 1611 Days

Day: 11 Hours

Environment

Temp: -135 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,959,983 km

• M1: 102,026 km (0.096 R)
• M2: 383,419 km (0.09 R)
• M3: 1,685,070 km (0.117 R)
• M4: 2,992,406 km (0.109 R)
• M5: 4,483,897 km (0.099 R)
• M6: 4,757,362 km (0.106 R)
• M7: 5,775,525 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.7

Radius: 11.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.85 AU - 3.13 AU

Year: 2342 Days

Day: 5.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,959,983 km

• M1: 142,417 km (0.074 R)
• M2: 1,672,803 km (0.041 R)
• M3: 2,113,070 km (0.068 R)
• M4: 3,090,243 km (0.077 R)
• M5: 4,560,341 km (0.062 R)
• M6: 5,491,439 km (0.057 R)
• M7: 6,201,879 km (0.111 R)
• M8: 7,045,761 km (0.083 R)
• M9: 8,071,404 km (0.105 R)
• M10: 10,417,397 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 14.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.33 AU - 4.28 AU

Year: 3356 Days

Day: 5 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,959,983 km

• M1: 180,565 km (0.106 R)
• M2: 651,648 km (0.041 R)
• M3: 1,139,487 km (0.064 R)
• M4: 1,614,161 km (0.067 R)
• M5: 2,381,449 km (0.114 R)
• M6: 3,535,446 km (0.09 R)
• M7: 4,305,576 km (0.104 R)
• M8: 5,313,118 km (0.11 R)
• M9: 7,175,911 km (0.116 R)
• M10: 11,572,143 km (0.101 R)
• M11: 13,906,618 km (0.068 R)
• M12: 15,825,510 km (0.038 R)
• M13: 16,707,838 km (0.119 R)
• M14: 17,218,416 km (0.1 R)
• M15: 17,739,465 km (0.082 R)
• M16: 18,330,676 km (0.071 R)
• M17: 21,887,964 km (0.098 R)
• M18: 24,187,133 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.1

Radius: 11.1

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.98 AU - 6.68 AU

Year: 7215 Days

Day: 14.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,959,983 km

• M1: 139,724 km (0.104 R)
• M2: 1,018,014 km (0.099 R)
• M3: 2,409,573 km (0.102 R)
• M4: 3,062,418 km (0.12 R)
• M5: 3,690,430 km (0.081 R)
• M6: 5,269,735 km (0.06 R)
• M7: 6,346,091 km (0.08 R)
• M8: 7,341,216 km (0.075 R)
• M9: 8,805,181 km (0.116 R)
• M10: 9,215,827 km (0.055 R)
• M11: 10,109,675 km (0.088 R)
• M12: 12,537,648 km (0.031 R)
• M13: 14,927,474 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.6

Radius: 4.3

Gravity: 19.94 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.05 AU - 10.69 AU

Year: 14048 Days

Day: 16.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,959,983 km

• M1: 54,304 km (0.118 R)
• M2: 1,232,537 km (0.064 R)
• M3: 1,522,906 km (0.103 R)
• M4: 4,564,381 km (0.045 R)
• M5: 6,123,041 km (0.09 R)
• M6: 7,081,664 km (0.048 R)
• M7: 8,404,408 km (0.114 R)
• M8: 9,005,044 km (0.073 R)
• M9: 13,161,321 km (0.065 R)
• M10: 17,685,161 km (0.072 R)
• M11: 21,160,020 km (0.025 R)
• M12: 26,013,723 km (0.119 R)
• M13: 27,883,697 km (0.055 R)
• M14: 30,371,360 km (0.057 R)
• M15: 32,778,240 km (0.114 R)
• M16: 40,239,134 km (0.066 R)
• M17: 42,599,938 km (0.071 R)
• M18: 46,594,650 km (0.087 R)
• M19: 48,318,317 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23

Radius: 4.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 13.16 AU - 13.26 AU

Year: 21751 Days

Day: 15.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,959,983 km

• M1: 76,295 km (0.103 R)
• M2: 232,475 km (0.113 R)
• M3: 378,183 km (0.114 R)
• M4: 576,101 km (0.094 R)
• M5: 1,712,596 km (0.108 R)
• M6: 2,761,427 km (0.081 R)
• M7: 3,531,707 km (0.097 R)
• M8: 3,846,311 km (0.041 R)
• M9: 6,288,646 km (0.079 R)
• M10: 6,973,804 km (0.03 R)
• M11: 7,234,852 km (0.064 R)
• M12: 8,527,827 km (0.046 R)
• M13: 9,326,530 km (0.067 R)
• M14: 10,382,840 km (0.075 R)
• M15: 12,066,564 km (0.068 R)
• M16: 13,368,066 km (0.115 R)
• M17: 14,548,094 km (0.119 R)
• M18: 18,876,708 km (0.089 R)
• M19: 20,491,168 km (0.12 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 20,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit