🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.8

Radius: 13.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.54 AU - 0.64 AU

Year: 307 Days

Day: 11.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 128.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,258,568 km

• M1: 162,912 km (0.12 R)
• M2: 606,171 km (0.104 R)
• M3: 1,159,683 km (0.076 R)
• M4: 1,594,713 km (0.097 R)
• M5: 2,063,254 km (0.112 R)
• M6: 2,642,497 km (0.065 R)
• M7: 3,201,544 km (0.112 R)
• M8: 3,697,760 km (0.051 R)
• M9: 4,348,361 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.1

Radius: 13.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.06 AU - 1.24 AU

Year: 836 Days

Day: 9.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,258,568 km

• M1: 171,589 km (0.064 R)
• M2: 790,625 km (0.059 R)
• M3: 1,362,388 km (0.071 R)
• M4: 1,796,072 km (0.098 R)
• M5: 2,781,623 km (0.117 R)
• M6: 3,231,314 km (0.109 R)
• M7: 3,715,114 km (0.091 R)
• M8: 4,566,774 km (0.101 R)
• M9: 5,312,071 km (0.06 R)
• M10: 7,257,142 km (0.045 R)
• M11: 7,966,835 km (0.073 R)
• M12: 8,830,314 km (0.11 R)
• M13: 9,726,255 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.9

Radius: 11

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.31 AU - 1.6 AU

Year: 1184 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,258,568 km

• M1: 136,732 km (0.115 R)
• M2: 508,932 km (0.105 R)
• M3: 1,124,976 km (0.044 R)
• M4: 1,553,424 km (0.087 R)
• M5: 2,027,650 km (0.076 R)
• M6: 2,867,043 km (0.04 R)
• M7: 3,256,596 km (0.059 R)
• M8: 3,745,033 km (0.084 R)
• M9: 4,680,618 km (0.091 R)
• M10: 5,103,980 km (0.111 R)
• M11: 7,035,139 km (0.117 R)
• M12: 7,670,332 km (0.099 R)
• M13: 8,454,673 km (0.093 R)
• M14: 9,471,490 km (0.09 R)
• M15: 10,246,557 km (0.092 R)
• M16: 11,504,675 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 8.5

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.49 AU - 1.69 AU

Year: 1360 Days

Day: 14.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,258,568 km

• M1: 106,364 km (0.07 R)
• M2: 400,324 km (0.106 R)
• M3: 845,826 km (0.116 R)
• M4: 1,151,604 km (0.088 R)
• M5: 1,472,641 km (0.12 R)
• M6: 2,609,585 km (0.098 R)
• M7: 2,948,275 km (0.071 R)
• M8: 3,572,996 km (0.098 R)
• M9: 6,480,131 km (0.084 R)
• M10: 8,416,825 km (0.084 R)
• M11: 8,926,655 km (0.105 R)
• M12: 9,821,998 km (0.038 R)
• M13: 10,515,833 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.8

Radius: 10.7

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.92 AU - 2.28 AU

Year: 2064 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 98 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,258,568 km

• M1: 133,142 km (0.082 R)
• M2: 536,308 km (0.095 R)
• M3: 1,041,052 km (0.051 R)
• M4: 1,494,034 km (0.115 R)
• M5: 2,126,683 km (0.072 R)
• M6: 2,806,456 km (0.114 R)
• M7: 3,222,787 km (0.093 R)
• M8: 4,221,054 km (0.101 R)
• M9: 4,661,021 km (0.076 R)
• M10: 5,108,318 km (0.106 R)
• M11: 5,732,441 km (0.114 R)
• M12: 6,932,515 km (0.069 R)
• M13: 8,617,735 km (0.115 R)
• M14: 9,467,900 km (0.119 R)
• M15: 9,823,195 km (0.047 R)
• M16: 10,485,464 km (0.073 R)
• M17: 11,614,479 km (0.068 R)
• M18: 12,779,847 km (0.103 R)
• M19: 13,524,396 km (0.068 R)
• M20: 16,132,634 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.3

Radius: 7.7

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.94 AU - 7.16 AU

Year: 12696 Days

Day: 19.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,258,568 km

• M1: 97,239 km (0.085 R)
• M2: 555,756 km (0.085 R)
• M3: 1,202,767 km (0.118 R)
• M4: 1,444,966 km (0.056 R)
• M5: 1,922,931 km (0.077 R)
• M6: 4,334,000 km (0.118 R)
• M7: 4,585,025 km (0.082 R)
• M8: 7,304,714 km (0.073 R)
• M9: 12,202,250 km (0.091 R)
• M10: 13,026,085 km (0.095 R)
• M11: 13,954,041 km (0.064 R)
• M12: 16,617,930 km (0.074 R)
• M13: 17,002,247 km (0.11 R)
• M14: 17,313,859 km (0.112 R)
• M15: 18,681,034 km (0.093 R)
• M16: 22,739,026 km (0.118 R)
• M17: 33,389,048 km (0.1 R)
• M18: 38,496,319 km (0.099 R)
• M19: 40,538,480 km (0.034 R)
• M20: 50,066,069 km (0.118 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: 414 - 15,928 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit