🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 14.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.62 AU - 0.64 AU

Year: 333 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,523,460 km

• M1: 175,329 km (0.08 R)
• M2: 639,980 km (0.118 R)
• M3: 1,365,380 km (0.108 R)
• M4: 1,943,875 km (0.028 R)
• M5: 2,485,569 km (0.104 R)
• M6: 3,693,272 km (0.07 R)
• M7: 4,605,221 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.8

Radius: 13.5

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.69 AU - 0.79 AU

Year: 424 Days

Day: 11.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,523,460 km

• M1: 167,998 km (0.111 R)
• M2: 611,406 km (0.061 R)
• M3: 1,064,688 km (0.116 R)
• M4: 1,494,632 km (0.071 R)
• M5: 2,035,578 km (0.052 R)
• M6: 2,570,989 km (0.074 R)
• M7: 3,122,856 km (0.09 R)
• M8: 3,930,235 km (0.048 R)
• M9: 4,638,132 km (0.067 R)
• M10: 5,445,961 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.6

Radius: 8.5

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.77 AU - 1.21 AU

Year: 657 Days

Day: 13.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,523,460 km

• M1: 108,159 km (0.068 R)
• M2: 613,202 km (0.09 R)
• M3: 1,126,622 km (0.108 R)
• M4: 1,575,116 km (0.093 R)
• M5: 1,986,211 km (0.116 R)
• M6: 2,604,649 km (0.116 R)
• M7: 2,873,027 km (0.05 R)
• M8: 4,290,467 km (0.103 R)
• M9: 4,802,092 km (0.11 R)
• M10: 5,773,131 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.4

Radius: 11

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.26 AU - 3.24 AU

Year: 3041 Days

Day: 14.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,523,460 km

• M1: 152,590 km (0.052 R)
• M2: 521,648 km (0.106 R)
• M3: 965,355 km (0.059 R)
• M4: 1,391,559 km (0.053 R)
• M5: 1,858,006 km (0.077 R)
• M6: 2,546,006 km (0.047 R)
• M7: 2,891,876 km (0.108 R)
• M8: 3,679,958 km (0.055 R)
• M9: 4,605,670 km (0.088 R)
• M10: 5,758,770 km (0.12 R)
• M11: 6,503,169 km (0.117 R)
• M12: 7,435,762 km (0.063 R)
• M13: 11,220,887 km (0.086 R)
• M14: 12,604,967 km (0.104 R)
• M15: 13,478,768 km (0.069 R)
• M16: 13,858,597 km (0.03 R)
• M17: 14,689,464 km (0.119 R)
• M18: 20,140,361 km (0.069 R)
• M19: 20,952,079 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.5

Radius: 12

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.43 AU - 3.87 AU

Year: 4650 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,523,460 km

• M1: 149,299 km (0.093 R)
• M2: 548,875 km (0.089 R)
• M3: 955,482 km (0.059 R)
• M4: 1,456,634 km (0.095 R)
• M5: 1,935,647 km (0.054 R)
• M6: 2,643,245 km (0.12 R)
• M7: 3,199,898 km (0.09 R)
• M8: 3,613,686 km (0.104 R)
• M9: 4,346,417 km (0.092 R)
• M10: 5,803,350 km (0.054 R)
• M11: 6,539,970 km (0.086 R)
• M12: 7,927,640 km (0.059 R)
• M13: 9,540,903 km (0.108 R)
• M14: 10,404,981 km (0.083 R)
• M15: 13,503,302 km (0.056 R)
• M16: 14,440,383 km (0.094 R)
• M17: 15,002,422 km (0.072 R)
• M18: 15,632,229 km (0.081 R)
• M19: 21,126,211 km (0.091 R)
• M20: 21,718,020 km (0.046 R)
• M21: 22,660,487 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460

Radius: 7.3

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.33 AU - 7.55 AU

Year: 12192 Days

Day: 15.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,523,460 km

• M1: 92,601 km (0.1 R)
• M2: 467,643 km (0.119 R)
• M3: 2,415,856 km (0.071 R)
• M4: 3,839,429 km (0.111 R)
• M5: 7,168,730 km (0.117 R)
• M6: 8,132,739 km (0.052 R)
• M7: 11,541,177 km (0.119 R)
• M8: 11,932,674 km (0.111 R)
• M9: 12,861,079 km (0.07 R)
• M10: 13,650,207 km (0.083 R)
• M11: 14,151,510 km (0.104 R)
• M12: 20,586,313 km (0.108 R)
• M13: 21,580,540 km (0.107 R)
• M14: 25,783,941 km (0.078 R)
• M15: 27,134,211 km (0.105 R)
• M16: 27,727,068 km (0.085 R)
• M17: 32,341,863 km (0.114 R)
• M18: 35,296,122 km (0.064 R)
• M19: 38,798,058 km (0.112 R)
• M20: 44,543,065 km (0.072 R)
• M21: 46,203,003 km (0.108 R)
• M22: 47,617,301 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.3

Radius: 3.8

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.6 AU - 8.34 AU

Year: 13615 Days

Day: 20.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 106.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,523,460 km

• M1: 153,637 km (0.112 R)
• M2: 275,559 km (0.11 R)
• M3: 1,288,486 km (0.049 R)
• M4: 2,560,816 km (0.112 R)
• M5: 4,012,813 km (0.069 R)
• M6: 4,143,263 km (0.102 R)
• M7: 8,833,904 km (0.106 R)
• M8: 11,162,993 km (0.08 R)
• M9: 11,421,498 km (0.085 R)
• M10: 11,950,476 km (0.09 R)
• M11: 13,228,790 km (0.103 R)
• M12: 13,460,068 km (0.036 R)
• M13: 13,871,163 km (0.082 R)
• M14: 16,184,694 km (0.103 R)
• M15: 18,598,007 km (0.091 R)
• M16: 19,927,932 km (0.081 R)
• M17: 25,972,434 km (0.103 R)
• M18: 27,070,333 km (0.081 R)
• M19: 31,771,596 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 17,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit