🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.52 AU - 0.6 AU

Year: 271 Days

Day: 24.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 13.2

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.03 AU - 1.05 AU

Year: 685 Days

Day: 12.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,608,516 km

• M1: 164,109 km (0.113 R)
• M2: 582,833 km (0.044 R)
• M3: 999,613 km (0.093 R)
• M4: 1,474,736 km (0.116 R)
• M5: 2,220,332 km (0.077 R)
• M6: 3,323,765 km (0.098 R)
• M7: 3,769,268 km (0.115 R)
• M8: 4,480,157 km (0.119 R)
• M9: 4,920,424 km (0.087 R)
• M10: 5,502,210 km (0.096 R)
• M11: 6,068,737 km (0.119 R)
• M12: 6,695,701 km (0.068 R)
• M13: 7,342,413 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.9

Radius: 8.9

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.23 AU - 1.35 AU

Year: 946 Days

Day: 7.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,608,516 km

• M1: 111,750 km (0.119 R)
• M2: 391,498 km (0.058 R)
• M3: 716,125 km (0.046 R)
• M4: 1,093,112 km (0.044 R)
• M5: 1,393,055 km (0.084 R)
• M6: 2,082,253 km (0.048 R)
• M7: 3,774,504 km (0.082 R)
• M8: 4,121,721 km (0.078 R)
• M9: 4,826,027 km (0.047 R)
• M10: 5,914,801 km (0.03 R)
• M11: 7,278,535 km (0.059 R)
• M12: 7,693,370 km (0.076 R)
• M13: 8,201,554 km (0.082 R)
• M14: 9,920,284 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190

Radius: 9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.47 AU - 1.59 AU

Year: 1222 Days

Day: 14.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,608,516 km

• M1: 111,899 km (0.085 R)
• M2: 627,114 km (0.06 R)
• M3: 1,009,786 km (0.075 R)
• M4: 1,444,068 km (0.043 R)
• M5: 1,734,139 km (0.074 R)
• M6: 2,100,504 km (0.072 R)
• M7: 2,658,504 km (0.111 R)
• M8: 3,324,962 km (0.067 R)
• M9: 4,465,048 km (0.072 R)
• M10: 4,987,443 km (0.119 R)
• M11: 5,423,671 km (0.105 R)
• M12: 5,715,985 km (0.071 R)
• M13: 6,574,677 km (0.087 R)
• M14: 7,674,820 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 8.7

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.45 AU - 1.89 AU

Year: 1393 Days

Day: 12.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,608,516 km

• M1: 108,159 km (0.103 R)
• M2: 509,082 km (0.102 R)
• M3: 872,904 km (0.115 R)
• M4: 1,172,997 km (0.09 R)
• M5: 1,637,648 km (0.067 R)
• M6: 2,342,852 km (0.085 R)
• M7: 2,863,902 km (0.12 R)
• M8: 3,796,794 km (0.058 R)
• M9: 4,898,881 km (0.084 R)
• M10: 6,080,555 km (0.105 R)
• M11: 6,958,695 km (0.026 R)
• M12: 7,360,066 km (0.056 R)
• M13: 7,776,696 km (0.057 R)
• M14: 10,033,529 km (0.053 R)
• M15: 10,580,908 km (0.088 R)
• M16: 10,862,002 km (0.037 R)
• M17: 12,113,089 km (0.104 R)
• M18: 13,996,975 km (0.078 R)
• M19: 14,293,329 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.6

Radius: 13.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.37 AU - 2.87 AU

Year: 2738 Days

Day: 11.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,608,516 km

• M1: 169,195 km (0.048 R)
• M2: 616,194 km (0.049 R)
• M3: 1,823,448 km (0.062 R)
• M4: 2,357,064 km (0.084 R)
• M5: 3,706,886 km (0.064 R)
• M6: 4,640,975 km (0.095 R)
• M7: 5,649,115 km (0.077 R)
• M8: 7,244,726 km (0.078 R)
• M9: 10,157,247 km (0.105 R)
• M10: 10,862,002 km (0.109 R)
• M11: 12,812,160 km (0.09 R)
• M12: 18,692,703 km (0.115 R)
• M13: 20,789,018 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.4

Radius: 10.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.38 AU - 5.72 AU

Year: 7327 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,608,516 km

• M1: 129,402 km (0.065 R)
• M2: 457,321 km (0.103 R)
• M3: 999,463 km (0.111 R)
• M4: 1,397,095 km (0.095 R)
• M5: 2,195,648 km (0.115 R)
• M6: 3,686,241 km (0.11 R)
• M7: 6,982,929 km (0.097 R)
• M8: 7,668,836 km (0.118 R)
• M9: 9,367,669 km (0.105 R)
• M10: 12,056,840 km (0.103 R)
• M11: 13,998,322 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.8

Radius: 7.4

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.58 AU - 7.48 AU

Year: 12035 Days

Day: 22.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,608,516 km

• M1: 92,003 km (0.117 R)
• M2: 358,885 km (0.103 R)
• M3: 614,847 km (0.11 R)
• M4: 947,852 km (0.037 R)
• M5: 1,532,181 km (0.07 R)
• M6: 2,316,972 km (0.073 R)
• M7: 2,684,983 km (0.113 R)
• M8: 3,159,357 km (0.033 R)
• M9: 6,784,712 km (0.112 R)
• M10: 7,580,722 km (0.111 R)
• M11: 8,616,239 km (0.048 R)
• M12: 8,981,407 km (0.106 R)
• M13: 11,394,122 km (0.074 R)
• M14: 12,749,030 km (0.089 R)
• M15: 12,984,946 km (0.054 R)
• M16: 15,707,776 km (0.045 R)
• M17: 16,461,002 km (0.099 R)
• M18: 17,965,507 km (0.108 R)
• M19: 21,163,312 km (0.086 R)
• M20: 24,996,308 km (0.083 R)
• M21: 25,739,660 km (0.082 R)
• M22: 28,357,623 km (0.101 R)
• M23: 32,664,097 km (0.081 R)
• M24: 35,377,204 km (0.118 R)
• M25: 42,677,879 km (0.038 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 11,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit