🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.41 AU - 0.59 AU

Year: 225 Days

Day: 36.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.42 AU - 0.66 AU

Year: 252 Days

Day: 32.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,389,985 km

• M1: 22,888 km (0.049 R)
• M2: 58,343 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.57 AU - 0.71 AU

Year: 326 Days

Day: 24.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.07 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 12.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.39 AU - 1.59 AU

Year: 1156 Days

Day: 12.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,389,985 km

• M1: 170,392 km (0.082 R)
• M2: 584,628 km (0.118 R)
• M3: 1,001,857 km (0.112 R)
• M4: 1,395,599 km (0.1 R)
• M5: 2,055,026 km (0.111 R)
• M6: 2,743,326 km (0.05 R)
• M7: 3,382,408 km (0.037 R)
• M8: 4,315,151 km (0.075 R)
• M9: 4,925,809 km (0.119 R)
• M10: 5,873,512 km (0.034 R)
• M11: 6,301,212 km (0.098 R)
• M12: 6,981,882 km (0.111 R)
• M13: 7,552,149 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.4

Radius: 10.6

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.48 AU - 1.64 AU

Year: 1239 Days

Day: 12.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,389,985 km

• M1: 131,796 km (0.118 R)
• M2: 485,445 km (0.082 R)
• M3: 815,907 km (0.112 R)
• M4: 1,553,873 km (0.096 R)
• M5: 2,056,073 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 13.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.97 AU - 2.73 AU

Year: 2291 Days

Day: 9.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,389,985 km

• M1: 172,935 km (0.113 R)
• M2: 684,859 km (0.092 R)
• M3: 1,843,046 km (0.107 R)
• M4: 2,457,594 km (0.064 R)
• M5: 3,488,922 km (0.095 R)
• M6: 6,536,829 km (0.11 R)
• M7: 7,725,384 km (0.086 R)
• M8: 8,305,225 km (0.085 R)
• M9: 10,336,016 km (0.119 R)
• M10: 11,487,770 km (0.097 R)
• M11: 12,635,335 km (0.092 R)
• M12: 15,208,120 km (0.093 R)
• M13: 18,337,109 km (0.095 R)
• M14: 19,784,169 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.4

Radius: 12.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.53 AU - 3.59 AU

Year: 4271 Days

Day: 7 Hours

Environment

Temp: -218 °C

Axial Tilt: 105.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,389,985 km

• M1: 157,975 km (0.072 R)
• M2: 624,122 km (0.057 R)
• M3: 1,136,645 km (0.117 R)
• M4: 1,577,360 km (0.115 R)
• M5: 1,977,085 km (0.119 R)
• M6: 2,613,475 km (0.063 R)
• M7: 3,247,919 km (0.071 R)
• M8: 4,360,030 km (0.06 R)
• M9: 4,937,179 km (0.035 R)
• M10: 5,349,919 km (0.12 R)
• M11: 5,860,646 km (0.099 R)
• M12: 7,094,081 km (0.086 R)
• M13: 8,365,214 km (0.037 R)
• M14: 11,315,583 km (0.107 R)
• M15: 14,571,581 km (0.119 R)
• M16: 15,089,638 km (0.115 R)
• M17: 18,081,446 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.6

Radius: 6.4

Gravity: 21.01 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.16 AU - 10.14 AU

Year: 17598 Days

Day: 17.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,389,985 km

• M1: 79,736 km (0.084 R)
• M2: 376,687 km (0.034 R)
• M3: 579,991 km (0.036 R)
• M4: 995,873 km (0.097 R)
• M5: 1,373,009 km (0.116 R)
• M6: 1,916,349 km (0.114 R)
• M7: 2,174,555 km (0.06 R)
• M8: 2,547,353 km (0.079 R)
• M9: 5,942,775 km (0.067 R)
• M10: 6,896,611 km (0.1 R)
• M11: 7,126,843 km (0.12 R)
• M12: 8,253,165 km (0.078 R)
• M13: 12,070,454 km (0.078 R)
• M14: 12,677,821 km (0.039 R)
• M15: 14,622,145 km (0.108 R)
• M16: 17,512,076 km (0.113 R)
• M17: 21,928,505 km (0.058 R)
• M18: 25,580,338 km (0.114 R)
• M19: 26,693,795 km (0.033 R)
• M20: 28,660,110 km (0.111 R)
• M21: 31,471,502 km (0.091 R)
• M22: 34,327,475 km (0.04 R)
• M23: 42,985,602 km (0.046 R)
• M24: 47,315,862 km (0.055 R)
• M25: 47,981,273 km (0.054 R)
• M26: 56,644,486 km (0.101 R)
• M27: 65,262,520 km (0.06 R)
• M28: 72,271,031 km (0.055 R)
• M29: 73,374,913 km (0.112 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: 258 - 15,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit