🌌 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 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.8

Radius: 8.7

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.48 AU - 0.62 AU

Year: 272 Days

Day: 6 Hours

Environment

Temp: -135 °C

Axial Tilt: 154.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,945,553 km

• M1: 127,457 km (0.075 R)
• M2: 400,623 km (0.068 R)
• M3: 734,226 km (0.08 R)
• M4: 1,055,862 km (0.102 R)
• M5: 1,537,268 km (0.057 R)
• M6: 2,244,866 km (0.115 R)
• M7: 2,541,369 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.5

Radius: 13.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.51 AU - 0.77 AU

Year: 341 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,945,553 km

• M1: 172,935 km (0.085 R)
• M2: 698,622 km (0.071 R)
• M3: 1,178,233 km (0.12 R)
• M4: 1,759,869 km (0.085 R)
• M5: 2,294,682 km (0.087 R)
• M6: 2,763,970 km (0.085 R)
• M7: 3,241,487 km (0.065 R)
• M8: 4,134,885 km (0.098 R)
• M9: 5,684,719 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335

Radius: 13.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.78 AU - 1.78 AU

Year: 1584 Days

Day: 14.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,945,553 km

• M1: 169,943 km (0.117 R)
• M2: 608,415 km (0.031 R)
• M3: 1,052,870 km (0.096 R)
• M4: 1,481,318 km (0.063 R)
• M5: 2,281,966 km (0.102 R)
• M6: 2,916,859 km (0.12 R)
• M7: 3,457,656 km (0.088 R)
• M8: 4,562,137 km (0.088 R)
• M9: 5,932,453 km (0.071 R)
• M10: 7,068,499 km (0.095 R)
• M11: 7,561,724 km (0.08 R)
• M12: 8,104,315 km (0.096 R)
• M13: 8,756,263 km (0.073 R)
• M14: 9,267,887 km (0.094 R)
• M15: 9,920,433 km (0.112 R)
• M16: 10,794,982 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.5

Radius: 9.2

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.39 AU - 3.39 AU

Year: 3276 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,945,553 km

• M1: 118,930 km (0.119 R)
• M2: 442,810 km (0.107 R)
• M3: 800,797 km (0.048 R)
• M4: 1,218,175 km (0.096 R)
• M5: 1,658,143 km (0.103 R)
• M6: 2,035,279 km (0.068 R)
• M7: 2,643,394 km (0.087 R)
• M8: 3,644,055 km (0.076 R)
• M9: 4,241,698 km (0.047 R)
• M10: 5,390,610 km (0.084 R)
• M11: 7,079,570 km (0.065 R)
• M12: 7,468,823 km (0.088 R)
• M13: 8,796,654 km (0.105 R)
• M14: 9,323,388 km (0.093 R)
• M15: 9,673,148 km (0.062 R)
• M16: 10,357,558 km (0.045 R)
• M17: 13,618,792 km (0.079 R)
• M18: 15,320,019 km (0.077 R)
• M19: 16,985,492 km (0.113 R)
• M20: 17,449,395 km (0.107 R)
• M21: 17,802,745 km (0.051 R)
• M22: 18,160,882 km (0.071 R)
• M23: 20,281,881 km (0.063 R)
• M24: 24,418,860 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.7

Radius: 8.3

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.44 AU - 3.4 AU

Year: 3327 Days

Day: 5.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,945,553 km

• M1: 103,223 km (0.092 R)
• M2: 361,578 km (0.087 R)
• M3: 1,122,433 km (0.105 R)
• M4: 3,150,681 km (0.101 R)
• M5: 5,460,472 km (0.041 R)
• M6: 6,017,724 km (0.097 R)
• M7: 9,534,022 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703

Radius: 14.5

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.39 AU - 3.91 AU

Year: 3728 Days

Day: 12 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,945,553 km

• M1: 180,265 km (0.048 R)
• M2: 664,364 km (0.07 R)
• M3: 1,311,674 km (0.082 R)
• M4: 1,894,059 km (0.063 R)
• M5: 2,386,236 km (0.085 R)
• M6: 3,325,860 km (0.109 R)
• M7: 3,778,244 km (0.061 R)
• M8: 4,385,162 km (0.092 R)
• M9: 5,261,058 km (0.08 R)
• M10: 5,796,319 km (0.052 R)
• M11: 7,071,940 km (0.069 R)
• M12: 9,499,614 km (0.051 R)
• M13: 11,799,233 km (0.044 R)
• M14: 12,626,659 km (0.106 R)
• M15: 15,721,390 km (0.12 R)
• M16: 16,610,151 km (0.106 R)
• M17: 17,298,750 km (0.044 R)
• M18: 18,125,876 km (0.045 R)
• M19: 18,917,548 km (0.073 R)
• M20: 19,605,250 km (0.104 R)
• M21: 20,180,304 km (0.095 R)
• M22: 20,635,381 km (0.074 R)
• M23: 21,230,481 km (0.068 R)
• M24: 23,014,136 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.4

Radius: 13.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.11 AU - 5.97 AU

Year: 8695 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,945,553 km

• M1: 167,101 km (0.11 R)
• M2: 598,691 km (0.09 R)
• M3: 2,668,976 km (0.117 R)
• M4: 4,257,555 km (0.1 R)
• M5: 5,373,406 km (0.111 R)
• M6: 6,472,801 km (0.042 R)
• M7: 7,792,703 km (0.103 R)
• M8: 9,413,745 km (0.083 R)
• M9: 11,298,379 km (0.113 R)
• M10: 11,844,112 km (0.098 R)
• M11: 13,643,625 km (0.05 R)
• M12: 15,377,165 km (0.035 R)
• M13: 18,929,815 km (0.094 R)
• M14: 26,124,575 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.8

Radius: 4.3

Gravity: 32.28 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.67 AU - 8.13 AU

Year: 12087 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,945,553 km

• M1: 54,454 km (0.087 R)
• M2: 303,983 km (0.082 R)
• M3: 534,064 km (0.075 R)
• M4: 1,008,290 km (0.092 R)
• M5: 1,217,128 km (0.075 R)
• M6: 1,426,715 km (0.116 R)
• M7: 2,746,467 km (0.086 R)
• M8: 3,014,846 km (0.118 R)
• M9: 4,626,314 km (0.113 R)
• M10: 5,203,912 km (0.112 R)
• M11: 5,720,922 km (0.109 R)
• M12: 6,047,045 km (0.048 R)
• M13: 7,266,118 km (0.077 R)
• M14: 8,781,545 km (0.067 R)
• M15: 9,020,901 km (0.065 R)
• M16: 9,363,181 km (0.118 R)
• M17: 9,765,001 km (0.086 R)
• M18: 13,028,927 km (0.079 R)
• M19: 23,928,927 km (0.061 R)
• M20: 24,679,011 km (0.058 R)
• M21: 25,930,846 km (0.113 R)
• M22: 26,622,287 km (0.105 R)
• M23: 27,835,825 km (0.116 R)
• M24: 29,085,865 km (0.114 R)
• M25: 29,617,536 km (0.026 R)
• M26: 29,832,059 km (0.099 R)
• M27: 32,147,236 km (0.118 R)
• M28: 39,029,037 km (0.117 R)
• M29: 41,390,589 km (0.091 R)
• M30: 49,796,494 km (0.066 R)
• M31: 51,634,752 km (0.077 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: 356 - 19,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit