🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.43 AU - 0.59 AU

Year: 161 Days

Day: 23.9 Hours

Environment

Temp: 30 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,136,079 km

• M1: 60,886 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.8 AU - 0.94 AU

Year: 359 Days

Day: 28.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.01 AU - 1.17 AU

Year: 504 Days

Day: 39.2 Hours

Environment

Temp: -80 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,136,079 km

• M1: 151,842 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.67 AU - 1.69 AU

Year: 964 Days

Day: 24.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 12.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.84 AU - 4.16 AU

Year: 3543 Days

Day: 12.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,136,079 km

• M1: 156,629 km (0.12 R)
• M2: 564,134 km (0.118 R)
• M3: 1,033,123 km (0.111 R)
• M4: 1,457,981 km (0.09 R)
• M5: 2,164,681 km (0.089 R)
• M6: 3,073,039 km (0.092 R)
• M7: 3,765,378 km (0.081 R)
• M8: 4,200,409 km (0.064 R)
• M9: 4,735,670 km (0.107 R)
• M10: 6,676,254 km (0.098 R)
• M11: 7,529,560 km (0.064 R)
• M12: 9,417,186 km (0.079 R)
• M13: 10,036,820 km (0.079 R)
• M14: 11,808,957 km (0.08 R)
• M15: 12,879,180 km (0.093 R)
• M16: 15,913,473 km (0.104 R)
• M17: 16,740,899 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.6

Radius: 12.2

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.44 AU - 8.28 AU

Year: 7958 Days

Day: 9.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,136,079 km

• M1: 174,581 km (0.109 R)
• M2: 733,628 km (0.105 R)
• M3: 1,117,646 km (0.101 R)
• M4: 1,502,411 km (0.039 R)
• M5: 2,147,328 km (0.108 R)
• M6: 2,930,772 km (0.07 R)
• M7: 3,753,411 km (0.026 R)
• M8: 4,751,677 km (0.099 R)
• M9: 7,232,159 km (0.092 R)
• M10: 8,076,490 km (0.097 R)
• M11: 12,122,813 km (0.111 R)
• M12: 13,481,910 km (0.095 R)
• M13: 15,244,023 km (0.1 R)
• M14: 15,676,361 km (0.101 R)
• M15: 16,891,395 km (0.117 R)
• M16: 19,149,425 km (0.114 R)
• M17: 19,725,826 km (0.117 R)
• M18: 21,370,654 km (0.085 R)
• M19: 24,256,846 km (0.111 R)
• M20: 26,143,275 km (0.094 R)
• M21: 26,763,508 km (0.088 R)
• M22: 29,916,582 km (0.096 R)
• M23: 31,482,872 km (0.074 R)
• M24: 31,983,426 km (0.107 R)
• M25: 32,387,640 km (0.101 R)
• M26: 34,460,019 km (0.119 R)
• M27: 37,396,027 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.1

Radius: 7.5

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.71 AU - 12.59 AU

Year: 14323 Days

Day: 15.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,136,079 km

• M1: 94,695 km (0.051 R)
• M2: 348,713 km (0.061 R)
• M3: 726,447 km (0.073 R)
• M4: 1,209,499 km (0.093 R)
• M5: 1,619,247 km (0.074 R)
• M6: 2,046,798 km (0.114 R)
• M7: 2,445,327 km (0.111 R)
• M8: 2,894,569 km (0.051 R)
• M9: 3,710,626 km (0.097 R)
• M10: 4,157,624 km (0.06 R)
• M11: 4,577,695 km (0.086 R)
• M12: 5,502,958 km (0.067 R)
• M13: 6,236,286 km (0.039 R)
• M14: 6,507,807 km (0.087 R)
• M15: 7,158,258 km (0.082 R)
• M16: 7,586,407 km (0.103 R)
• M17: 8,588,264 km (0.065 R)
• M18: 8,924,859 km (0.119 R)
• M19: 11,360,014 km (0.036 R)
• M20: 12,181,156 km (0.087 R)
• M21: 18,350,722 km (0.101 R)
• M22: 21,786,686 km (0.029 R)
• M23: 22,503,858 km (0.117 R)
• M24: 25,333,502 km (0.079 R)
• M25: 27,243,268 km (0.083 R)
• M26: 35,475,190 km (0.093 R)
• M27: 39,818,764 km (0.086 R)
• M28: 46,388,505 km (0.087 R)
• M29: 47,574,217 km (0.076 R)
• M30: 49,084,557 km (0.114 R)
• M31: 54,951,337 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.7

Radius: 3.2

Gravity: 15.69 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 11.62 AU - 15.22 AU

Year: 21775 Days

Day: 24 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,136,079 km

• M1: 39,793 km (0.076 R)
• M2: 246,836 km (0.047 R)
• M3: 994,975 km (0.039 R)
• M4: 1,759,121 km (0.095 R)
• M5: 2,553,486 km (0.049 R)
• M6: 3,263,627 km (0.059 R)
• M7: 3,690,280 km (0.117 R)
• M8: 4,238,257 km (0.103 R)
• M9: 4,383,367 km (0.104 R)
• M10: 6,583,952 km (0.058 R)
• M11: 7,098,269 km (0.073 R)
• M12: 8,477,711 km (0.12 R)
• M13: 13,542,796 km (0.043 R)
• M14: 15,920,505 km (0.092 R)
• M15: 17,876,347 km (0.104 R)
• M16: 18,639,595 km (0.093 R)
• M17: 30,301,348 km (0.109 R)
• M18: 39,315,966 km (0.116 R)
• M19: 43,126,972 km (0.116 R)
• M20: 43,398,641 km (0.11 R)
• M21: 48,630,229 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.5

Radius: 3.7

Gravity: 36.85 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 13.49 AU - 14.61 AU

Year: 23327 Days

Day: 22.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,136,079 km

• M1: 76,893 km (0.106 R)
• M2: 318,494 km (0.045 R)
• M3: 856,149 km (0.101 R)
• M4: 1,560,455 km (0.12 R)
• M5: 2,633,970 km (0.094 R)
• M6: 3,685,493 km (0.115 R)
• M7: 5,643,131 km (0.099 R)
• M8: 6,053,627 km (0.116 R)
• M9: 7,308,305 km (0.096 R)
• M10: 7,500,688 km (0.1 R)
• M11: 8,200,656 km (0.032 R)
• M12: 14,063,397 km (0.079 R)
• M13: 16,646,353 km (0.071 R)
• M14: 17,573,112 km (0.081 R)
• M15: 17,831,617 km (0.093 R)
• M16: 26,256,969 km (0.058 R)
• M17: 32,792,751 km (0.115 R)
• M18: 36,853,585 km (0.08 R)
• M19: 38,567,528 km (0.095 R)
• M20: 39,887,280 km (0.093 R)
• M21: 42,461,860 km (0.053 R)
• M22: 58,910,893 km (0.086 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 19,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit