🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.08 AU - 1.38 AU

Year: 503 Days

Day: 13.7 Hours

Environment

Temp: -15 °C

Axial Tilt: 48.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 4.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.5

Radius: 14.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.9 AU - 9.48 AU

Year: 9452 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,685,540 km

• M1: 175,478 km (0.095 R)
• M2: 965,205 km (0.081 R)
• M3: 1,459,776 km (0.111 R)
• M4: 1,966,464 km (0.061 R)
• M5: 2,695,305 km (0.083 R)
• M6: 3,294,594 km (0.111 R)
• M7: 5,108,917 km (0.051 R)
• M8: 6,006,953 km (0.108 R)
• M9: 6,949,419 km (0.108 R)
• M10: 12,024,078 km (0.109 R)
• M11: 14,456,241 km (0.101 R)
• M12: 17,254,020 km (0.072 R)
• M13: 17,744,103 km (0.113 R)
• M14: 18,524,854 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.9

Radius: 7.6

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 12.98 AU - 14.44 AU

Year: 18730 Days

Day: 18.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,685,540 km

• M1: 94,546 km (0.111 R)
• M2: 440,715 km (0.108 R)
• M3: 785,090 km (0.112 R)
• M4: 1,195,586 km (0.099 R)
• M5: 1,544,000 km (0.116 R)
• M6: 2,318,019 km (0.054 R)
• M7: 3,300,727 km (0.11 R)
• M8: 4,706,648 km (0.113 R)
• M9: 5,058,502 km (0.102 R)
• M10: 5,352,612 km (0.113 R)
• M11: 5,894,754 km (0.057 R)
• M12: 6,953,459 km (0.098 R)
• M13: 9,497,071 km (0.078 R)
• M14: 10,233,093 km (0.098 R)
• M15: 12,337,486 km (0.061 R)
• M16: 17,381,029 km (0.08 R)
• M17: 21,478,664 km (0.078 R)
• M18: 21,766,341 km (0.08 R)
• M19: 23,042,710 km (0.048 R)
• M20: 24,786,123 km (0.11 R)
• M21: 27,170,564 km (0.113 R)
• M22: 28,303,319 km (0.038 R)
• M23: 30,784,100 km (0.06 R)
• M24: 35,101,794 km (0.114 R)
• M25: 42,309,419 km (0.041 R)
• M26: 42,913,196 km (0.061 R)
• M27: 45,071,744 km (0.06 R)
• M28: 50,275,207 km (0.094 R)
• M29: 54,608,908 km (0.04 R)
• M30: 61,856,176 km (0.103 R)
• M31: 64,407,418 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.3

Radius: 6.7

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 13.41 AU - 20.53 AU

Year: 25793 Days

Day: 19.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,685,540 km

• M1: 83,326 km (0.095 R)
• M2: 1,721,871 km (0.111 R)
• M3: 2,117,259 km (0.059 R)
• M4: 3,555,792 km (0.08 R)
• M5: 5,362,934 km (0.115 R)
• M6: 6,103,892 km (0.113 R)
• M7: 6,729,810 km (0.112 R)
• M8: 7,669,135 km (0.109 R)
• M9: 9,620,938 km (0.105 R)
• M10: 16,485,386 km (0.065 R)
• M11: 22,474,986 km (0.098 R)
• M12: 22,718,082 km (0.095 R)
• M13: 24,898,920 km (0.11 R)
• M14: 27,863,052 km (0.098 R)
• M15: 29,867,065 km (0.053 R)
• M16: 35,567,193 km (0.083 R)
• M17: 38,036,755 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.4

Radius: 3.3

Gravity: 38.05 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 16.58 AU - 17.86 AU

Year: 26365 Days

Day: 17.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,685,540 km

• M1: 41,139 km (0.062 R)
• M2: 146,756 km (0.116 R)
• M3: 276,756 km (0.113 R)
• M4: 571,464 km (0.109 R)
• M5: 1,070,373 km (0.084 R)
• M6: 1,986,061 km (0.108 R)
• M7: 2,695,454 km (0.086 R)
• M8: 3,739,797 km (0.055 R)
• M9: 4,419,570 km (0.105 R)
• M10: 4,770,526 km (0.064 R)
• M11: 12,421,261 km (0.119 R)
• M12: 13,260,355 km (0.09 R)
• M13: 14,895,610 km (0.103 R)
• M14: 16,084,464 km (0.085 R)
• M15: 17,853,010 km (0.036 R)
• M16: 22,678,888 km (0.103 R)
• M17: 38,894,698 km (0.112 R)
• M18: 54,922,465 km (0.041 R)
• M19: 67,815,557 km (0.078 R)
• M20: 71,932,939 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.9

Radius: 7.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 18 AU - 18.66 AU

Year: 28955 Days

Day: 17.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,685,540 km

• M1: 131,497 km (0.112 R)
• M2: 458,667 km (0.049 R)
• M3: 730,337 km (0.111 R)
• M4: 1,371,663 km (0.047 R)
• M5: 2,115,015 km (0.094 R)
• M6: 2,386,236 km (0.065 R)
• M7: 2,873,925 km (0.086 R)
• M8: 4,672,241 km (0.11 R)
• M9: 8,531,716 km (0.094 R)
• M10: 17,146,010 km (0.065 R)
• M11: 19,574,283 km (0.11 R)
• M12: 30,475,181 km (0.087 R)
• M13: 37,401,263 km (0.053 R)
• M14: 38,816,010 km (0.108 R)
• M15: 47,240,016 km (0.042 R)
• M16: 47,567,485 km (0.074 R)
• M17: 51,096,948 km (0.12 R)
• M18: 53,722,391 km (0.062 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 12,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit