🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.1

Radius: 8.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.83 AU - 0.83 AU

Year: 504 Days

Day: 6.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,620,462 km

• M1: 110,104 km (0.056 R)
• M2: 410,796 km (0.089 R)
• M3: 924,515 km (0.058 R)
• M4: 1,249,741 km (0.111 R)
• M5: 1,841,699 km (0.086 R)
• M6: 2,459,688 km (0.027 R)
• M7: 3,046,261 km (0.101 R)
• M8: 3,410,831 km (0.113 R)
• M9: 4,291,065 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.6

Radius: 8.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.66 AU - 1.08 AU

Year: 541 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,620,462 km

• M1: 103,372 km (0.071 R)
• M2: 366,515 km (0.101 R)
• M3: 652,097 km (0.118 R)
• M4: 1,644,380 km (0.113 R)
• M5: 2,703,982 km (0.102 R)
• M6: 2,972,510 km (0.089 R)
• M7: 3,735,608 km (0.092 R)
• M8: 4,190,236 km (0.106 R)
• M9: 4,452,182 km (0.079 R)
• M10: 4,933,289 km (0.095 R)
• M11: 5,464,960 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.2

Radius: 8.5

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.77 AU - 1.11 AU

Year: 608 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,620,462 km

• M1: 105,766 km (0.109 R)
• M2: 468,092 km (0.107 R)
• M3: 748,139 km (0.091 R)
• M4: 1,103,434 km (0.118 R)
• M5: 1,375,852 km (0.058 R)
• M6: 1,971,251 km (0.075 R)
• M7: 2,398,652 km (0.049 R)
• M8: 2,910,127 km (0.103 R)
• M9: 3,223,385 km (0.079 R)
• M10: 4,003,987 km (0.116 R)
• M11: 4,724,600 km (0.027 R)
• M12: 5,210,643 km (0.039 R)
• M13: 6,461,730 km (0.09 R)
• M14: 6,997,291 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43

Radius: 14.6

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.08 AU - 1.5 AU

Year: 977 Days

Day: 12.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 73,620,462 km

• M1: 181,612 km (0.09 R)
• M2: 799,451 km (0.115 R)
• M3: 1,494,034 km (0.055 R)
• M4: 3,023,373 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14

Radius: 8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.88 AU - 2.66 AU

Year: 2281 Days

Day: 13.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,620,462 km

• M1: 99,483 km (0.094 R)
• M2: 673,789 km (0.079 R)
• M3: 927,656 km (0.08 R)
• M4: 1,241,662 km (0.073 R)
• M5: 1,508,844 km (0.097 R)
• M6: 1,880,894 km (0.07 R)
• M7: 2,178,444 km (0.105 R)
• M8: 2,950,220 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 8.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.14 AU - 2.84 AU

Year: 2620 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,620,462 km

• M1: 109,805 km (0.101 R)
• M2: 388,954 km (0.032 R)
• M3: 820,844 km (0.115 R)
• M4: 1,585,588 km (0.114 R)
• M5: 1,848,730 km (0.071 R)
• M6: 2,111,424 km (0.108 R)
• M7: 3,132,280 km (0.108 R)
• M8: 3,550,855 km (0.114 R)
• M9: 4,240,651 km (0.088 R)
• M10: 5,160,827 km (0.086 R)
• M11: 5,514,327 km (0.059 R)
• M12: 7,507,569 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 11.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.34 AU - 3.6 AU

Year: 3413 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,620,462 km

• M1: 138,228 km (0.085 R)
• M2: 492,626 km (0.08 R)
• M3: 941,868 km (0.113 R)
• M4: 1,516,773 km (0.11 R)
• M5: 2,034,980 km (0.062 R)
• M6: 2,794,787 km (0.074 R)
• M7: 3,196,906 km (0.06 R)
• M8: 4,035,702 km (0.028 R)
• M9: 4,710,538 km (0.111 R)
• M10: 5,561,301 km (0.063 R)
• M11: 6,369,429 km (0.051 R)
• M12: 7,131,779 km (0.101 R)
• M13: 7,694,267 km (0.114 R)
• M14: 8,185,547 km (0.106 R)
• M15: 8,802,488 km (0.084 R)
• M16: 9,673,298 km (0.071 R)
• M17: 11,927,438 km (0.062 R)
• M18: 13,408,756 km (0.119 R)
• M19: 16,464,293 km (0.06 R)
• M20: 17,671,847 km (0.087 R)
• M21: 19,055,478 km (0.113 R)
• M22: 19,592,534 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.8

Radius: 5.7

Gravity: 22.28 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.09 AU - 10.25 AU

Year: 18518 Days

Day: 19.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,620,462 km

• M1: 70,909 km (0.103 R)
• M2: 255,962 km (0.103 R)
• M3: 451,636 km (0.051 R)
• M4: 854,054 km (0.101 R)
• M5: 1,037,611 km (0.069 R)
• M6: 1,567,337 km (0.052 R)
• M7: 1,978,282 km (0.116 R)
• M8: 3,038,931 km (0.084 R)
• M9: 3,796,345 km (0.064 R)
• M10: 4,467,441 km (0.039 R)
• M11: 4,884,819 km (0.1 R)
• M12: 6,552,088 km (0.054 R)
• M13: 7,513,703 km (0.089 R)
• M14: 8,053,302 km (0.113 R)
• M15: 9,045,734 km (0.103 R)
• M16: 11,207,723 km (0.098 R)
• M17: 11,524,122 km (0.116 R)
• M18: 11,716,804 km (0.049 R)
• M19: 13,126,316 km (0.072 R)
• M20: 15,176,405 km (0.058 R)
• M21: 16,520,093 km (0.098 R)
• M22: 27,983,179 km (0.095 R)
• M23: 30,605,780 km (0.045 R)
• M24: 31,850,284 km (0.099 R)
• M25: 38,153,441 km (0.086 R)
• M26: 42,890,158 km (0.047 R)
• M27: 43,353,313 km (0.064 R)
• M28: 44,921,398 km (0.096 R)
• M29: 45,399,064 km (0.086 R)
• M30: 47,343,837 km (0.087 R)
• M31: 51,225,153 km (0.112 R)
• M32: 54,587,066 km (0.099 R)
• M33: 57,529,956 km (0.094 R)
• M34: 57,717,402 km (0.088 R)
• M35: 68,661,384 km (0.094 R)
• M36: 69,295,230 km (0.073 R)
• M37: 73,620,403 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 19,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit