🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.4

Radius: 13.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.59 AU - 0.75 AU

Year: 379 Days

Day: 9.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,425,471 km

• M1: 173,982 km (0.11 R)
• M2: 642,822 km (0.116 R)
• M3: 1,244,355 km (0.078 R)
• M4: 1,681,929 km (0.107 R)
• M5: 2,216,741 km (0.076 R)
• M6: 2,855,375 km (0.118 R)
• M7: 3,326,009 km (0.076 R)
• M8: 3,969,430 km (0.115 R)
• M9: 4,559,145 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.2

Radius: 11.1

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.67 AU - 0.79 AU

Year: 431 Days

Day: 5.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,425,471 km

• M1: 138,079 km (0.075 R)
• M2: 505,940 km (0.04 R)
• M3: 884,572 km (0.118 R)
• M4: 1,269,039 km (0.066 R)
• M5: 1,617,003 km (0.06 R)
• M6: 2,164,532 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.6

Radius: 10.5

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.04 AU - 2.94 AU

Year: 2712 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,425,471 km

• M1: 130,898 km (0.108 R)
• M2: 663,317 km (0.082 R)
• M3: 1,086,679 km (0.039 R)
• M4: 1,810,583 km (0.058 R)
• M5: 2,383,692 km (0.052 R)
• M6: 6,111,372 km (0.076 R)
• M7: 7,315,037 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719

Radius: 13.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.81 AU - 3.45 AU

Year: 3822 Days

Day: 13.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 28,425,471 km

• M1: 214,224 km (0.069 R)
• M2: 822,190 km (0.032 R)
• M3: 1,279,511 km (0.063 R)
• M4: 1,726,808 km (0.074 R)
• M5: 2,521,622 km (0.117 R)
• M6: 3,004,374 km (0.076 R)
• M7: 4,027,324 km (0.096 R)
• M8: 4,596,245 km (0.107 R)
• M9: 5,244,602 km (0.097 R)
• M10: 5,728,701 km (0.077 R)
• M11: 7,199,996 km (0.099 R)
• M12: 8,288,919 km (0.083 R)
• M13: 8,985,596 km (0.106 R)
• M14: 9,681,525 km (0.095 R)
• M15: 10,412,909 km (0.082 R)
• M16: 11,224,777 km (0.089 R)
• M17: 12,310,110 km (0.074 R)
• M18: 14,067,885 km (0.104 R)
• M19: 17,126,413 km (0.091 R)
• M20: 18,015,772 km (0.1 R)
• M21: 18,935,500 km (0.041 R)
• M22: 19,438,747 km (0.091 R)
• M23: 19,886,494 km (0.063 R)
• M24: 20,802,482 km (0.118 R)
• M25: 21,338,341 km (0.113 R)
• M26: 21,952,291 km (0.093 R)
• M27: 22,437,885 km (0.106 R)
• M28: 22,930,661 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.9

Radius: 12.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.44 AU - 3.72 AU

Year: 4676 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 28,425,471 km

• M1: 157,078 km (0.071 R)
• M2: 838,795 km (0.069 R)
• M3: 1,364,482 km (0.117 R)
• M4: 1,795,025 km (0.069 R)
• M5: 2,348,088 km (0.058 R)
• M6: 3,164,893 km (0.066 R)
• M7: 3,956,864 km (0.106 R)
• M8: 4,473,425 km (0.105 R)
• M9: 5,141,679 km (0.086 R)
• M10: 5,729,299 km (0.111 R)
• M11: 6,175,998 km (0.11 R)
• M12: 7,872,738 km (0.1 R)
• M13: 8,578,241 km (0.086 R)
• M14: 9,244,849 km (0.076 R)
• M15: 10,287,696 km (0.117 R)
• M16: 10,995,294 km (0.102 R)
• M17: 11,972,916 km (0.046 R)
• M18: 13,007,834 km (0.094 R)
• M19: 14,588,336 km (0.118 R)
• M20: 18,574,969 km (0.102 R)
• M21: 20,028,313 km (0.109 R)
• M22: 23,011,593 km (0.072 R)
• M23: 23,611,630 km (0.12 R)
• M24: 24,608,999 km (0.082 R)
• M25: 25,078,737 km (0.035 R)
• M26: 25,714,378 km (0.101 R)
• M27: 26,605,832 km (0.077 R)
• M28: 28,536,392 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.6

Radius: 10.8

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.28 AU - 3.94 AU

Year: 4734 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,425,471 km

• M1: 134,339 km (0.111 R)
• M2: 736,620 km (0.12 R)
• M3: 1,246,150 km (0.102 R)
• M4: 2,041,113 km (0.114 R)
• M5: 2,611,380 km (0.119 R)
• M6: 4,385,013 km (0.106 R)
• M7: 4,766,637 km (0.118 R)
• M8: 7,579,675 km (0.113 R)
• M9: 9,905,773 km (0.081 R)
• M10: 11,208,022 km (0.088 R)
• M11: 12,369,350 km (0.097 R)
• M12: 14,592,076 km (0.111 R)
• M13: 17,570,719 km (0.105 R)
• M14: 18,669,515 km (0.101 R)
• M15: 19,676,758 km (0.095 R)
• M16: 23,143,389 km (0.097 R)
• M17: 25,914,390 km (0.067 R)
• M18: 28,459,499 km (0.119 R)
• M19: 28,987,879 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.6

Radius: 10.9

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.41 AU - 4.87 AU

Year: 5814 Days

Day: 10.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,425,471 km

• M1: 142,118 km (0.075 R)
• M2: 547,379 km (0.093 R)
• M3: 1,337,555 km (0.106 R)
• M4: 1,678,039 km (0.06 R)
• M5: 2,666,732 km (0.088 R)
• M6: 3,768,520 km (0.084 R)
• M7: 4,306,624 km (0.082 R)
• M8: 5,122,231 km (0.119 R)
• M9: 6,233,594 km (0.1 R)
• M10: 7,313,541 km (0.12 R)
• M11: 7,956,662 km (0.106 R)
• M12: 9,530,432 km (0.083 R)
• M13: 9,976,981 km (0.1 R)
• M14: 10,531,241 km (0.083 R)
• M15: 12,956,522 km (0.075 R)
• M16: 13,955,237 km (0.12 R)
• M17: 15,856,178 km (0.116 R)
• M18: 19,022,416 km (0.104 R)
• M19: 21,429,297 km (0.119 R)
• M20: 27,016,179 km (0.055 R)
• M21: 27,372,222 km (0.052 R)
• M22: 29,574,601 km (0.105 R)
• M23: 32,691,473 km (0.065 R)
• M24: 35,699,587 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.8

Radius: 8.3

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.36 AU - 5.04 AU

Year: 7033 Days

Day: 5.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,425,471 km

• M1: 103,821 km (0.12 R)
• M2: 514,617 km (0.046 R)
• M3: 1,526,197 km (0.067 R)
• M4: 1,902,287 km (0.056 R)
• M5: 2,950,818 km (0.041 R)
• M6: 4,201,606 km (0.071 R)
• M7: 4,464,599 km (0.035 R)
• M8: 5,890,416 km (0.088 R)
• M9: 6,313,030 km (0.074 R)
• M10: 6,691,214 km (0.087 R)
• M11: 8,469,783 km (0.089 R)
• M12: 10,807,100 km (0.104 R)
• M13: 13,491,933 km (0.062 R)
• M14: 16,356,134 km (0.052 R)
• M15: 17,681,421 km (0.104 R)
• M16: 19,535,986 km (0.056 R)
• M17: 22,810,983 km (0.102 R)
• M18: 24,616,778 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 19,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit