🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.9

Radius: 11.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.22 AU - 1.28 AU

Year: 965 Days

Day: 8 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,406,821 km

• M1: 151,692 km (0.113 R)
• M2: 565,779 km (0.116 R)
• M3: 981,063 km (0.09 R)
• M4: 1,387,221 km (0.081 R)
• M5: 2,246,810 km (0.118 R)
• M6: 4,165,403 km (0.077 R)
• M7: 4,569,018 km (0.103 R)
• M8: 5,534,672 km (0.054 R)
• M9: 6,236,436 km (0.058 R)
• M10: 7,545,268 km (0.094 R)
• M11: 8,148,147 km (0.118 R)
• M12: 9,738,373 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 9.4

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.15 AU - 3.01 AU

Year: 2860 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,406,821 km

• M1: 117,285 km (0.098 R)
• M2: 428,299 km (0.072 R)
• M3: 750,832 km (0.106 R)
• M4: 1,112,410 km (0.11 R)
• M5: 1,590,525 km (0.073 R)
• M6: 1,902,885 km (0.102 R)
• M7: 2,442,335 km (0.104 R)
• M8: 4,528,178 km (0.073 R)
• M9: 5,778,367 km (0.112 R)
• M10: 6,909,477 km (0.101 R)
• M11: 7,948,733 km (0.109 R)
• M12: 9,161,523 km (0.097 R)
• M13: 11,268,160 km (0.096 R)
• M14: 11,605,653 km (0.049 R)
• M15: 12,613,644 km (0.032 R)
• M16: 13,115,844 km (0.076 R)
• M17: 14,306,942 km (0.056 R)
• M18: 19,920,303 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988

Radius: 9.2

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.25 AU - 3.27 AU

Year: 3165 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,406,821 km

• M1: 114,442 km (0.12 R)
• M2: 469,289 km (0.113 R)
• M3: 853,157 km (0.035 R)
• M4: 1,331,870 km (0.05 R)
• M5: 1,741,020 km (0.113 R)
• M6: 2,276,431 km (0.119 R)
• M7: 3,396,769 km (0.117 R)
• M8: 3,696,115 km (0.097 R)
• M9: 5,230,540 km (0.039 R)
• M10: 5,658,839 km (0.046 R)
• M11: 10,178,190 km (0.089 R)
• M12: 10,550,839 km (0.101 R)
• M13: 11,192,314 km (0.053 R)
• M14: 12,226,036 km (0.063 R)
• M15: 13,718,274 km (0.113 R)
• M16: 14,586,391 km (0.101 R)
• M17: 15,113,873 km (0.059 R)
• M18: 16,206,985 km (0.034 R)
• M19: 18,796,075 km (0.038 R)
• M20: 22,127,919 km (0.045 R)
• M21: 23,178,245 km (0.117 R)
• M22: 24,555,892 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.9

Radius: 3.8

Gravity: 48.26 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.82 AU - 9.56 AU

Year: 14720 Days

Day: 19.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,406,821 km

• M1: 48,021 km (0.111 R)
• M2: 297,849 km (0.118 R)
• M3: 538,552 km (0.057 R)
• M4: 786,137 km (0.107 R)
• M5: 1,056,759 km (0.061 R)
• M6: 2,562,761 km (0.101 R)
• M7: 3,413,973 km (0.09 R)
• M8: 4,218,959 km (0.091 R)
• M9: 4,438,419 km (0.054 R)
• M10: 5,393,452 km (0.116 R)
• M11: 14,265,803 km (0.109 R)
• M12: 16,235,259 km (0.102 R)
• M13: 16,851,901 km (0.097 R)
• M14: 17,725,104 km (0.093 R)
• M15: 19,820,820 km (0.061 R)
• M16: 20,258,843 km (0.106 R)
• M17: 20,793,057 km (0.096 R)
• M18: 23,120,351 km (0.099 R)
• M19: 25,409,348 km (0.105 R)
• M20: 42,962,713 km (0.106 R)
• M21: 43,991,498 km (0.118 R)
• M22: 50,348,659 km (0.086 R)
• M23: 56,587,489 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.4

Radius: 6.5

Gravity: 21.17 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.57 AU - 9.63 AU

Year: 15913 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,406,821 km

• M1: 86,168 km (0.053 R)
• M2: 413,040 km (0.08 R)
• M3: 713,432 km (0.071 R)
• M4: 994,676 km (0.068 R)
• M5: 1,320,052 km (0.096 R)
• M6: 1,680,433 km (0.109 R)
• M7: 2,667,480 km (0.108 R)
• M8: 4,577,545 km (0.07 R)
• M9: 6,156,700 km (0.053 R)
• M10: 9,321,443 km (0.082 R)
• M11: 10,461,080 km (0.095 R)
• M12: 11,947,634 km (0.078 R)
• M13: 15,105,346 km (0.117 R)
• M14: 17,079,888 km (0.083 R)
• M15: 18,000,813 km (0.115 R)
• M16: 21,629,309 km (0.063 R)
• M17: 23,921,896 km (0.079 R)
• M18: 24,967,436 km (0.111 R)
• M19: 29,692,634 km (0.078 R)
• M20: 33,281,936 km (0.077 R)
• M21: 34,189,696 km (0.109 R)
• M22: 51,559,205 km (0.083 R)
• M23: 52,077,412 km (0.111 R)
• M24: 54,720,956 km (0.113 R)
• M25: 69,498,234 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 10,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit