🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 11.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.77 AU - 1.19 AU

Year: 670 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,347,698 km

• M1: 143,016 km (0.107 R)
• M2: 919,279 km (0.071 R)
• M3: 1,296,565 km (0.084 R)
• M4: 2,438,146 km (0.061 R)
• M5: 2,984,478 km (0.063 R)
• M6: 3,357,575 km (0.099 R)
• M7: 3,983,043 km (0.05 R)
• M8: 4,759,307 km (0.052 R)
• M9: 5,994,686 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.4

Radius: 13.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.86 AU - 2.78 AU

Year: 2439 Days

Day: 14.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,347,698 km

• M1: 164,109 km (0.116 R)
• M2: 780,003 km (0.117 R)
• M3: 1,301,651 km (0.095 R)
• M4: 1,827,338 km (0.097 R)
• M5: 2,242,472 km (0.117 R)
• M6: 3,009,760 km (0.088 R)
• M7: 3,777,496 km (0.064 R)
• M8: 4,238,257 km (0.03 R)
• M9: 5,045,188 km (0.093 R)
• M10: 5,557,860 km (0.104 R)
• M11: 6,525,459 km (0.102 R)
• M12: 7,752,760 km (0.092 R)
• M13: 8,631,049 km (0.105 R)
• M14: 9,540,006 km (0.102 R)
• M15: 11,548,208 km (0.116 R)
• M16: 13,646,318 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.3

Radius: 12

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.17 AU - 3.21 AU

Year: 3045 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,347,698 km

• M1: 165,904 km (0.084 R)
• M2: 1,195,586 km (0.114 R)
• M3: 1,631,365 km (0.026 R)
• M4: 2,344,199 km (0.082 R)
• M5: 3,499,094 km (0.072 R)
• M6: 4,910,401 km (0.057 R)
• M7: 7,451,769 km (0.096 R)
• M8: 7,973,866 km (0.073 R)
• M9: 8,389,598 km (0.113 R)
• M10: 10,051,631 km (0.111 R)
• M11: 12,340,777 km (0.03 R)
• M12: 15,444,035 km (0.072 R)
• M13: 16,091,645 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.7

Radius: 10.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.66 AU - 3.18 AU

Year: 3444 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,347,698 km

• M1: 132,993 km (0.111 R)
• M2: 626,665 km (0.06 R)
• M3: 3,939,660 km (0.099 R)
• M4: 4,321,882 km (0.119 R)
• M5: 5,917,793 km (0.07 R)
• M6: 6,695,552 km (0.093 R)
• M7: 7,242,183 km (0.097 R)
• M8: 9,062,340 km (0.086 R)
• M9: 10,028,742 km (0.118 R)
• M10: 10,399,745 km (0.116 R)
• M11: 12,861,677 km (0.085 R)
• M12: 13,462,013 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559

Radius: 12.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.46 AU - 4.74 AU

Year: 5730 Days

Day: 10.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,347,698 km

• M1: 160,818 km (0.118 R)
• M2: 813,812 km (0.049 R)
• M3: 1,411,905 km (0.085 R)
• M4: 2,294,831 km (0.108 R)
• M5: 4,763,196 km (0.1 R)
• M6: 5,247,295 km (0.119 R)
• M7: 5,705,214 km (0.099 R)
• M8: 7,629,940 km (0.074 R)
• M9: 8,371,347 km (0.106 R)
• M10: 8,918,576 km (0.061 R)
• M11: 12,367,106 km (0.089 R)
• M12: 14,805,552 km (0.107 R)
• M13: 17,110,855 km (0.113 R)
• M14: 18,381,539 km (0.067 R)
• M15: 19,919,704 km (0.066 R)
• M16: 21,759,908 km (0.114 R)
• M17: 22,721,373 km (0.07 R)
• M18: 25,208,737 km (0.087 R)
• M19: 29,719,412 km (0.098 R)
• M20: 30,170,899 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668

Radius: 6

Gravity: 18.56 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.23 AU - 8.11 AU

Year: 14662 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,347,698 km

• M1: 74,649 km (0.115 R)
• M2: 475,272 km (0.095 R)
• M3: 900,729 km (0.102 R)
• M4: 1,090,568 km (0.084 R)
• M5: 1,584,541 km (0.115 R)
• M6: 1,830,180 km (0.095 R)
• M7: 2,139,399 km (0.068 R)
• M8: 2,337,168 km (0.113 R)
• M9: 2,724,327 km (0.102 R)
• M10: 3,626,103 km (0.087 R)
• M11: 4,679,421 km (0.072 R)
• M12: 5,118,192 km (0.107 R)
• M13: 6,235,239 km (0.1 R)
• M14: 6,978,741 km (0.042 R)
• M15: 9,616,151 km (0.102 R)
• M16: 11,302,867 km (0.061 R)
• M17: 12,851,803 km (0.078 R)
• M18: 14,050,980 km (0.112 R)
• M19: 14,396,850 km (0.084 R)
• M20: 16,746,883 km (0.116 R)
• M21: 21,362,726 km (0.079 R)
• M22: 27,830,440 km (0.118 R)
• M23: 52,277,574 km (0.038 R)
• M24: 52,608,634 km (0.095 R)
• M25: 55,307,978 km (0.078 R)
• M26: 59,708,101 km (0.05 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 19,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit