🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.44 AU - 0.66 AU

Year: 263 Days

Day: 14.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.6

Radius: 9.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.03 AU - 1.61 AU

Year: 979 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,500,921 km

• M1: 130,001 km (0.112 R)
• M2: 538,702 km (0.054 R)
• M3: 1,607,579 km (0.086 R)
• M4: 3,953,124 km (0.099 R)
• M5: 4,864,324 km (0.106 R)
• M6: 5,516,721 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.5

Radius: 10.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.86 AU - 1.94 AU

Year: 1691 Days

Day: 14.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 126.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,500,921 km

• M1: 128,355 km (0.117 R)
• M2: 557,402 km (0.068 R)
• M3: 941,419 km (0.11 R)
• M4: 1,471,445 km (0.074 R)
• M5: 1,868,328 km (0.058 R)
• M6: 2,345,545 km (0.116 R)
• M7: 2,913,568 km (0.087 R)
• M8: 5,424,269 km (0.119 R)
• M9: 5,812,176 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.2

Radius: 11.5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.32 AU - 3.32 AU

Year: 3058 Days

Day: 10.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,500,921 km

• M1: 143,016 km (0.083 R)
• M2: 527,632 km (0.073 R)
• M3: 1,009,337 km (0.108 R)
• M4: 1,510,789 km (0.091 R)
• M5: 2,188,318 km (0.047 R)
• M6: 2,654,614 km (0.07 R)
• M7: 3,027,861 km (0.096 R)
• M8: 3,487,725 km (0.102 R)
• M9: 3,918,716 km (0.119 R)
• M10: 5,887,873 km (0.067 R)
• M11: 6,422,985 km (0.119 R)
• M12: 7,708,928 km (0.116 R)
• M13: 10,673,060 km (0.105 R)
• M14: 11,353,880 km (0.103 R)
• M15: 11,744,480 km (0.099 R)
• M16: 16,209,528 km (0.077 R)
• M17: 17,109,209 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 13.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.91 AU - 6.15 AU

Year: 8397 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,500,921 km

• M1: 169,195 km (0.091 R)
• M2: 768,634 km (0.105 R)
• M3: 1,458,130 km (0.111 R)
• M4: 1,937,292 km (0.104 R)
• M5: 2,403,140 km (0.109 R)
• M6: 3,678,761 km (0.097 R)
• M7: 5,850,773 km (0.106 R)
• M8: 7,121,607 km (0.092 R)
• M9: 7,937,364 km (0.055 R)
• M10: 9,888,569 km (0.103 R)
• M11: 13,035,510 km (0.112 R)
• M12: 20,490,869 km (0.119 R)
• M13: 29,626,662 km (0.063 R)
• M14: 32,921,854 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.1

Radius: 7.8

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.76 AU - 10.48 AU

Year: 16341 Days

Day: 24.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,500,921 km

• M1: 225,893 km (0.089 R)
• M2: 471,832 km (0.068 R)
• M3: 1,163,871 km (0.081 R)
• M4: 1,438,084 km (0.111 R)
• M5: 2,064,899 km (0.09 R)
• M6: 3,096,078 km (0.11 R)
• M7: 3,445,538 km (0.088 R)
• M8: 5,973,293 km (0.061 R)
• M9: 7,306,061 km (0.118 R)
• M10: 8,925,009 km (0.034 R)
• M11: 9,634,851 km (0.073 R)
• M12: 10,003,759 km (0.12 R)
• M13: 10,272,886 km (0.066 R)
• M14: 11,811,201 km (0.093 R)
• M15: 13,367,019 km (0.032 R)
• M16: 13,759,863 km (0.061 R)
• M17: 24,573,545 km (0.093 R)
• M18: 30,002,601 km (0.065 R)
• M19: 54,218,906 km (0.034 R)
• M20: 56,399,145 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.2

Radius: 3

Gravity: 29.13 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.54 AU - 11.92 AU

Year: 19597 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,500,921 km

• M1: 37,399 km (0.065 R)
• M2: 196,572 km (0.048 R)
• M3: 435,031 km (0.089 R)
• M4: 1,073,963 km (0.069 R)
• M5: 2,048,444 km (0.113 R)
• M6: 2,273,738 km (0.115 R)
• M7: 2,473,900 km (0.113 R)
• M8: 3,549,209 km (0.099 R)
• M9: 4,458,765 km (0.027 R)
• M10: 9,449,050 km (0.058 R)
• M11: 12,521,491 km (0.067 R)
• M12: 15,272,147 km (0.103 R)
• M13: 20,964,496 km (0.083 R)
• M14: 22,017,964 km (0.111 R)
• M15: 24,516,249 km (0.042 R)
• M16: 31,859,111 km (0.097 R)
• M17: 35,901,694 km (0.118 R)
• M18: 36,900,260 km (0.074 R)
• M19: 42,724,703 km (0.098 R)
• M20: 44,842,111 km (0.098 R)
• M21: 45,999,550 km (0.106 R)
• M22: 47,474,286 km (0.067 R)
• M23: 53,365,151 km (0.066 R)
• M24: 54,337,687 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 19,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit