🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.4

Radius: 12.5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.24 AU - 1.28 AU

Year: 928 Days

Day: 13 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,534,536 km

• M1: 155,432 km (0.082 R)
• M2: 703,110 km (0.057 R)
• M3: 1,251,386 km (0.091 R)
• M4: 1,697,038 km (0.033 R)
• M5: 2,174,106 km (0.076 R)
• M6: 2,753,349 km (0.055 R)
• M7: 3,162,798 km (0.109 R)
• M8: 3,552,650 km (0.103 R)
• M9: 4,572,459 km (0.092 R)
• M10: 5,131,805 km (0.047 R)
• M11: 5,694,593 km (0.06 R)
• M12: 6,410,718 km (0.093 R)
• M13: 7,813,946 km (0.119 R)
• M14: 8,423,856 km (0.091 R)
• M15: 9,769,190 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.9

Radius: 14.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.38 AU - 1.88 AU

Year: 1365 Days

Day: 8.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,534,536 km

• M1: 182,958 km (0.034 R)
• M2: 759,209 km (0.108 R)
• M3: 1,285,345 km (0.045 R)
• M4: 2,080,458 km (0.112 R)
• M5: 2,948,424 km (0.075 R)
• M6: 3,536,494 km (0.094 R)
• M7: 4,032,111 km (0.07 R)
• M8: 4,491,676 km (0.117 R)
• M9: 5,807,240 km (0.047 R)
• M10: 7,459,399 km (0.084 R)
• M11: 8,231,473 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.8

Radius: 12.2

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.43 AU - 1.87 AU

Year: 1390 Days

Day: 12.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 122.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,534,536 km

• M1: 161,416 km (0.097 R)
• M2: 821,442 km (0.101 R)
• M3: 1,215,184 km (0.099 R)
• M4: 1,696,440 km (0.102 R)
• M5: 2,090,181 km (0.08 R)
• M6: 2,649,229 km (0.035 R)
• M7: 4,477,614 km (0.06 R)
• M8: 5,057,156 km (0.081 R)
• M9: 5,568,033 km (0.03 R)
• M10: 5,968,656 km (0.096 R)
• M11: 7,573,542 km (0.094 R)
• M12: 9,365,575 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.6

Radius: 10

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.45 AU - 2.07 AU

Year: 1532 Days

Day: 5.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,534,536 km

• M1: 124,615 km (0.107 R)
• M2: 781,050 km (0.087 R)
• M3: 1,174,642 km (0.074 R)
• M4: 1,680,882 km (0.075 R)
• M5: 2,134,462 km (0.119 R)
• M6: 2,627,537 km (0.118 R)
• M7: 3,012,303 km (0.094 R)
• M8: 3,385,849 km (0.051 R)
• M9: 3,914,378 km (0.106 R)
• M10: 4,881,977 km (0.091 R)
• M11: 5,718,379 km (0.088 R)
• M12: 6,098,058 km (0.108 R)
• M13: 6,596,369 km (0.1 R)
• M14: 7,094,679 km (0.101 R)
• M15: 7,617,972 km (0.071 R)
• M16: 8,803,685 km (0.085 R)
• M17: 9,118,589 km (0.118 R)
• M18: 10,384,187 km (0.058 R)
• M19: 13,301,943 km (0.066 R)
• M20: 14,098,253 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.4

Radius: 9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.99 AU - 4.71 AU

Year: 5952 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 80 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,534,536 km

• M1: 111,899 km (0.06 R)
• M2: 456,423 km (0.11 R)
• M3: 743,202 km (0.03 R)
• M4: 1,412,353 km (0.084 R)
• M5: 2,141,194 km (0.091 R)
• M6: 3,156,964 km (0.03 R)
• M7: 4,632,896 km (0.084 R)
• M8: 5,481,715 km (0.059 R)
• M9: 6,102,995 km (0.092 R)
• M10: 7,620,665 km (0.108 R)
• M11: 8,913,490 km (0.098 R)
• M12: 11,744,630 km (0.06 R)
• M13: 12,112,940 km (0.114 R)
• M14: 14,487,058 km (0.1 R)
• M15: 18,052,125 km (0.079 R)
• M16: 19,874,077 km (0.082 R)
• M17: 21,132,345 km (0.111 R)
• M18: 22,513,283 km (0.11 R)
• M19: 24,997,505 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.5

Radius: 3.7

Gravity: 53.21 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7 AU - 11.48 AU

Year: 18425 Days

Day: 15.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,534,536 km

• M1: 67,169 km (0.069 R)
• M2: 1,951,953 km (0.096 R)
• M3: 2,883,798 km (0.034 R)
• M4: 3,532,155 km (0.104 R)
• M5: 4,472,677 km (0.116 R)
• M6: 5,970,750 km (0.051 R)
• M7: 6,305,999 km (0.107 R)
• M8: 6,521,869 km (0.066 R)
• M9: 7,060,122 km (0.114 R)
• M10: 7,292,747 km (0.113 R)
• M11: 7,773,704 km (0.083 R)
• M12: 9,067,725 km (0.086 R)
• M13: 13,160,274 km (0.107 R)
• M14: 13,371,058 km (0.111 R)
• M15: 23,051,386 km (0.076 R)
• M16: 24,929,887 km (0.081 R)
• M17: 27,935,158 km (0.087 R)
• M18: 32,433,267 km (0.066 R)
• M19: 32,946,687 km (0.113 R)
• M20: 64,456,337 km (0.07 R)
• M21: 73,094,417 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 17,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit