🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 13.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.86 AU - 1.02 AU

Year: 618 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,394,732 km

• M1: 166,652 km (0.106 R)
• M2: 724,802 km (0.055 R)
• M3: 1,397,394 km (0.101 R)
• M4: 2,451,610 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.2

Radius: 11.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.98 AU - 1.26 AU

Year: 804 Days

Day: 13.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,394,732 km

• M1: 138,079 km (0.099 R)
• M2: 536,159 km (0.06 R)
• M3: 2,722,532 km (0.071 R)
• M4: 3,145,594 km (0.104 R)
• M5: 4,615,244 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194

Radius: 12.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.15 AU - 1.77 AU

Year: 1197 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 54.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,394,732 km

• M1: 157,975 km (0.062 R)
• M2: 692,937 km (0.076 R)
• M3: 1,222,663 km (0.107 R)
• M4: 1,633,609 km (0.037 R)
• M5: 2,166,476 km (0.049 R)
• M6: 2,563,958 km (0.084 R)
• M7: 2,986,871 km (0.083 R)
• M8: 4,121,272 km (0.038 R)
• M9: 4,642,321 km (0.051 R)
• M10: 5,155,442 km (0.043 R)
• M11: 7,289,755 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 9.7

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.38 AU - 1.68 AU

Year: 1284 Days

Day: 8.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,394,732 km

• M1: 120,576 km (0.114 R)
• M2: 430,842 km (0.081 R)
• M3: 758,611 km (0.118 R)
• M4: 1,099,694 km (0.117 R)
• M5: 1,750,744 km (0.108 R)
• M6: 2,461,932 km (0.119 R)
• M7: 3,559,981 km (0.09 R)
• M8: 4,049,016 km (0.115 R)
• M9: 4,563,184 km (0.039 R)
• M10: 5,437,135 km (0.1 R)
• M11: 5,744,708 km (0.056 R)
• M12: 6,180,636 km (0.115 R)
• M13: 7,301,722 km (0.029 R)
• M14: 7,786,270 km (0.066 R)
• M15: 8,234,914 km (0.092 R)
• M16: 9,845,335 km (0.096 R)
• M17: 11,619,865 km (0.077 R)
• M18: 12,280,938 km (0.118 R)
• M19: 13,122,875 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.6

Radius: 8.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.62 AU - 2.44 AU

Year: 1962 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,394,732 km

• M1: 109,655 km (0.064 R)
• M2: 523,144 km (0.079 R)
• M3: 976,276 km (0.034 R)
• M4: 1,277,416 km (0.049 R)
• M5: 1,552,826 km (0.116 R)
• M6: 1,888,224 km (0.098 R)
• M7: 2,631,127 km (0.107 R)
• M8: 2,972,809 km (0.106 R)
• M9: 3,418,910 km (0.095 R)
• M10: 3,713,917 km (0.102 R)
• M11: 4,355,542 km (0.054 R)
• M12: 4,855,049 km (0.116 R)
• M13: 7,344,657 km (0.07 R)
• M14: 7,732,714 km (0.114 R)
• M15: 8,052,853 km (0.047 R)
• M16: 8,549,818 km (0.114 R)
• M17: 9,943,920 km (0.055 R)
• M18: 10,516,132 km (0.097 R)
• M19: 11,552,696 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.5

Radius: 14.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.49 AU - 2.93 AU

Year: 3026 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,394,732 km

• M1: 186,549 km (0.067 R)
• M2: 802,892 km (0.119 R)
• M3: 1,277,267 km (0.103 R)
• M4: 2,163,634 km (0.115 R)
• M5: 2,802,567 km (0.062 R)
• M6: 3,549,060 km (0.093 R)
• M7: 5,396,145 km (0.079 R)
• M8: 6,251,695 km (0.065 R)
• M9: 7,113,977 km (0.108 R)
• M10: 8,477,412 km (0.078 R)
• M11: 9,468,199 km (0.078 R)
• M12: 13,914,248 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 12.4

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.86 AU - 4.3 AU

Year: 4594 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,394,732 km

• M1: 154,385 km (0.117 R)
• M2: 619,934 km (0.087 R)
• M3: 1,055,263 km (0.112 R)
• M4: 1,725,911 km (0.115 R)
• M5: 2,616,766 km (0.101 R)
• M6: 3,017,688 km (0.109 R)
• M7: 4,012,215 km (0.087 R)
• M8: 5,321,795 km (0.092 R)
• M9: 6,705,874 km (0.079 R)
• M10: 7,499,192 km (0.088 R)
• M11: 8,767,034 km (0.038 R)
• M12: 9,512,779 km (0.068 R)
• M13: 10,428,617 km (0.071 R)
• M14: 10,952,359 km (0.091 R)
• M15: 11,631,833 km (0.089 R)
• M16: 12,100,224 km (0.083 R)
• M17: 15,458,846 km (0.064 R)
• M18: 15,854,233 km (0.114 R)
• M19: 16,783,086 km (0.105 R)
• M20: 19,394,466 km (0.074 R)
• M21: 21,839,344 km (0.054 R)
• M22: 23,579,018 km (0.083 R)
• M23: 25,487,887 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423

Radius: 11.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.28 AU - 5.52 AU

Year: 7357 Days

Day: 9.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,394,732 km

• M1: 145,559 km (0.062 R)
• M2: 1,676,693 km (0.054 R)
• M3: 3,043,120 km (0.066 R)
• M4: 5,074,958 km (0.082 R)
• M5: 6,808,947 km (0.118 R)
• M6: 7,736,005 km (0.089 R)
• M7: 8,152,785 km (0.094 R)
• M8: 9,155,988 km (0.057 R)
• M9: 13,348,618 km (0.103 R)
• M10: 13,839,000 km (0.115 R)
• M11: 14,511,442 km (0.097 R)
• M12: 18,272,034 km (0.065 R)
• M13: 22,868,578 km (0.088 R)
• M14: 26,272,079 km (0.112 R)
• M15: 30,653,053 km (0.098 R)
• M16: 32,966,733 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.9

Radius: 4.3

Gravity: 51.81 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.03 AU - 9.09 AU

Year: 14099 Days

Day: 23.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,394,732 km

• M1: 57,745 km (0.087 R)
• M2: 191,485 km (0.088 R)
• M3: 508,184 km (0.039 R)
• M4: 949,946 km (0.104 R)
• M5: 1,563,597 km (0.089 R)
• M6: 3,066,308 km (0.108 R)
• M7: 3,464,537 km (0.064 R)
• M8: 5,370,264 km (0.113 R)
• M9: 7,089,742 km (0.085 R)
• M10: 7,316,233 km (0.097 R)
• M11: 7,594,336 km (0.09 R)
• M12: 10,716,294 km (0.115 R)
• M13: 11,257,389 km (0.039 R)
• M14: 11,816,437 km (0.079 R)
• M15: 13,397,537 km (0.103 R)
• M16: 16,732,073 km (0.076 R)
• M17: 18,207,706 km (0.091 R)
• M18: 26,250,387 km (0.103 R)
• M19: 28,690,927 km (0.053 R)
• M20: 30,438,978 km (0.118 R)
• M21: 33,129,346 km (0.045 R)
• M22: 34,921,529 km (0.058 R)
• M23: 36,912,227 km (0.117 R)
• M24: 37,866,662 km (0.085 R)
• M25: 40,973,062 km (0.065 R)
• M26: 43,486,755 km (0.101 R)
• M27: 47,526,944 km (0.1 R)
• M28: 50,799,847 km (0.093 R)
• M29: 52,150,117 km (0.101 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 20,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit