🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610

Radius: 8.6

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.07 AU - 1.65 AU

Year: 1058 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,553,944 km

• M1: 106,962 km (0.114 R)
• M2: 385,364 km (0.085 R)
• M3: 924,066 km (0.036 R)
• M4: 1,635,105 km (0.085 R)
• M5: 1,928,317 km (0.098 R)
• M6: 2,469,562 km (0.117 R)
• M7: 3,869,050 km (0.074 R)
• M8: 4,143,113 km (0.115 R)
• M9: 4,802,989 km (0.112 R)
• M10: 5,921,832 km (0.12 R)
• M11: 6,874,471 km (0.06 R)
• M12: 7,277,936 km (0.081 R)
• M13: 7,597,178 km (0.108 R)
• M14: 7,977,157 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.9

Radius: 14

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.91 AU - 3.61 AU

Year: 3925 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,553,944 km

• M1: 174,132 km (0.042 R)
• M2: 703,409 km (0.106 R)
• M3: 1,187,957 km (0.102 R)
• M4: 1,853,218 km (0.1 R)
• M5: 2,860,162 km (0.061 R)
• M6: 3,924,251 km (0.077 R)
• M7: 5,058,802 km (0.095 R)
• M8: 7,077,326 km (0.093 R)
• M9: 7,664,946 km (0.052 R)
• M10: 8,355,939 km (0.066 R)
• M11: 9,088,220 km (0.1 R)
• M12: 12,176,070 km (0.102 R)
• M13: 12,641,319 km (0.12 R)
• M14: 15,741,137 km (0.069 R)
• M15: 17,673,044 km (0.053 R)
• M16: 18,634,958 km (0.095 R)
• M17: 20,207,531 km (0.084 R)
• M18: 21,192,633 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.7

Radius: 11.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.06 AU - 3.76 AU

Year: 4199 Days

Day: 10.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,553,944 km

• M1: 143,016 km (0.119 R)
• M2: 644,767 km (0.118 R)
• M3: 1,019,210 km (0.096 R)
• M4: 1,402,929 km (0.082 R)
• M5: 2,202,230 km (0.08 R)
• M6: 2,687,975 km (0.099 R)
• M7: 3,057,032 km (0.116 R)
• M8: 3,622,961 km (0.081 R)
• M9: 4,762,747 km (0.074 R)
• M10: 7,194,461 km (0.075 R)
• M11: 7,912,979 km (0.051 R)
• M12: 9,373,653 km (0.074 R)
• M13: 11,728,772 km (0.098 R)
• M14: 12,243,239 km (0.051 R)
• M15: 13,068,122 km (0.097 R)
• M16: 14,560,211 km (0.109 R)
• M17: 15,709,572 km (0.11 R)
• M18: 17,697,129 km (0.117 R)
• M19: 21,884,074 km (0.042 R)
• M20: 23,907,535 km (0.062 R)
• M21: 25,118,230 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 12.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.19 AU - 4.91 AU

Year: 5435 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 151.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,553,944 km

• M1: 155,432 km (0.047 R)
• M2: 639,830 km (0.085 R)
• M3: 1,170,155 km (0.072 R)
• M4: 2,345,545 km (0.115 R)
• M5: 2,777,883 km (0.112 R)
• M6: 3,185,537 km (0.078 R)
• M7: 3,719,003 km (0.071 R)
• M8: 4,193,079 km (0.087 R)
• M9: 4,940,619 km (0.117 R)
• M10: 5,716,733 km (0.057 R)
• M11: 6,134,410 km (0.031 R)
• M12: 7,303,368 km (0.072 R)
• M13: 8,236,111 km (0.109 R)
• M14: 8,927,253 km (0.119 R)
• M15: 10,164,876 km (0.082 R)
• M16: 12,776,556 km (0.067 R)
• M17: 14,729,855 km (0.1 R)
• M18: 15,518,535 km (0.082 R)
• M19: 16,157,767 km (0.12 R)
• M20: 17,426,955 km (0.083 R)
• M21: 24,086,304 km (0.091 R)
• M22: 26,719,376 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.9

Radius: 3.5

Gravity: 67.42 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.74 AU - 7.1 AU

Year: 12139 Days

Day: 17 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 38,553,944 km

• M1: 45,029 km (0.099 R)
• M2: 304,132 km (0.049 R)
• M3: 661,223 km (0.114 R)
• M4: 928,404 km (0.112 R)
• M5: 1,185,414 km (0.081 R)
• M6: 1,443,769 km (0.109 R)
• M7: 2,090,630 km (0.03 R)
• M8: 3,405,895 km (0.045 R)
• M9: 3,784,228 km (0.104 R)
• M10: 3,983,492 km (0.108 R)
• M11: 4,851,609 km (0.061 R)
• M12: 5,471,991 km (0.09 R)
• M13: 5,951,901 km (0.061 R)
• M14: 6,104,940 km (0.088 R)
• M15: 6,379,302 km (0.1 R)
• M16: 6,910,374 km (0.117 R)
• M17: 9,382,778 km (0.091 R)
• M18: 9,538,061 km (0.083 R)
• M19: 9,747,947 km (0.101 R)
• M20: 11,072,038 km (0.052 R)
• M21: 13,017,708 km (0.093 R)
• M22: 13,802,498 km (0.091 R)
• M23: 14,618,255 km (0.1 R)
• M24: 14,967,417 km (0.106 R)
• M25: 16,873,593 km (0.1 R)
• M26: 19,018,078 km (0.108 R)
• M27: 24,321,771 km (0.09 R)
• M28: 24,516,997 km (0.099 R)
• M29: 27,998,588 km (0.1 R)
• M30: 31,216,887 km (0.104 R)
• M31: 33,695,574 km (0.041 R)
• M32: 36,175,009 km (0.056 R)
• M33: 36,557,082 km (0.102 R)
• M34: 37,459,157 km (0.088 R)
• M35: 37,719,607 km (0.086 R)
• M36: 45,216,256 km (0.093 R)
• M37: 47,310,027 km (0.094 R)
• M38: 56,673,657 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190

Radius: 3.4

Gravity: 16.44 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.62 AU - 8.39 AU

Year: 13697 Days

Day: 15.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,553,944 km

• M1: 44,131 km (0.086 R)
• M2: 167,101 km (0.099 R)
• M3: 457,919 km (0.105 R)
• M4: 775,366 km (0.089 R)
• M5: 1,061,397 km (0.058 R)
• M6: 1,637,498 km (0.052 R)
• M7: 2,581,760 km (0.067 R)
• M8: 3,693,871 km (0.063 R)
• M9: 4,770,078 km (0.119 R)
• M10: 6,988,315 km (0.117 R)
• M11: 7,099,616 km (0.118 R)
• M12: 7,211,964 km (0.059 R)
• M13: 8,073,049 km (0.112 R)
• M14: 16,224,487 km (0.11 R)
• M15: 26,108,419 km (0.086 R)
• M16: 29,255,360 km (0.08 R)
• M17: 36,289,152 km (0.088 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 18,785 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit