🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 8.4

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.15 AU - 1.81 AU

Year: 1221 Days

Day: 6.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,222,090 km

• M1: 104,719 km (0.099 R)
• M2: 434,283 km (0.041 R)
• M3: 1,052,271 km (0.101 R)
• M4: 1,640,640 km (0.091 R)
• M5: 2,408,077 km (0.086 R)
• M6: 2,810,645 km (0.11 R)
• M7: 3,768,071 km (0.109 R)
• M8: 4,095,691 km (0.103 R)
• M9: 4,423,609 km (0.057 R)
• M10: 5,406,018 km (0.099 R)
• M11: 6,098,656 km (0.096 R)
• M12: 6,849,189 km (0.108 R)
• M13: 7,471,366 km (0.086 R)
• M14: 7,934,521 km (0.102 R)
• M15: 9,565,138 km (0.084 R)
• M16: 10,375,660 km (0.091 R)
• M17: 11,091,186 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.2

Radius: 11.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.07 AU - 2.11 AU

Year: 2049 Days

Day: 5.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,222,090 km

• M1: 143,016 km (0.044 R)
• M2: 519,853 km (0.09 R)
• M3: 877,541 km (0.05 R)
• M4: 1,256,921 km (0.052 R)
• M5: 1,636,601 km (0.057 R)
• M6: 2,011,942 km (0.09 R)
• M7: 3,079,622 km (0.112 R)
• M8: 3,555,343 km (0.078 R)
• M9: 4,760,354 km (0.117 R)
• M10: 5,399,137 km (0.082 R)
• M11: 5,799,610 km (0.108 R)
• M12: 7,011,652 km (0.091 R)
• M13: 7,403,599 km (0.083 R)
• M14: 9,690,052 km (0.08 R)
• M15: 11,012,946 km (0.079 R)
• M16: 13,154,739 km (0.047 R)
• M17: 13,579,896 km (0.048 R)
• M18: 15,002,572 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.5

Radius: 8

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.14 AU - 3.14 AU

Year: 2909 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,222,090 km

• M1: 99,483 km (0.067 R)
• M2: 442,810 km (0.092 R)
• M3: 781,649 km (0.12 R)
• M4: 1,796,820 km (0.112 R)
• M5: 2,298,571 km (0.096 R)
• M6: 2,631,127 km (0.099 R)
• M7: 4,237,808 km (0.077 R)
• M8: 4,678,075 km (0.092 R)
• M9: 13,850,070 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.4

Radius: 11.5

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.2 AU - 4.82 AU

Year: 6496 Days

Day: 7.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,222,090 km

• M1: 143,165 km (0.087 R)
• M2: 548,276 km (0.058 R)
• M3: 1,144,125 km (0.062 R)
• M4: 1,654,702 km (0.076 R)
• M5: 2,034,681 km (0.054 R)
• M6: 2,639,954 km (0.119 R)
• M7: 3,362,212 km (0.087 R)
• M8: 3,905,552 km (0.037 R)
• M9: 5,079,147 km (0.083 R)
• M10: 6,197,092 km (0.114 R)
• M11: 8,443,005 km (0.08 R)
• M12: 9,359,591 km (0.109 R)
• M13: 9,959,478 km (0.044 R)
• M14: 12,020,937 km (0.109 R)
• M15: 13,934,443 km (0.105 R)
• M16: 16,108,400 km (0.109 R)
• M17: 17,516,265 km (0.079 R)
• M18: 19,371,129 km (0.108 R)
• M19: 21,353,450 km (0.087 R)
• M20: 22,638,646 km (0.095 R)
• M21: 24,230,966 km (0.118 R)
• M22: 24,749,023 km (0.049 R)
• M23: 25,362,673 km (0.101 R)
• M24: 25,807,129 km (0.114 R)
• M25: 26,987,306 km (0.037 R)
• M26: 29,650,747 km (0.118 R)
• M27: 36,500,684 km (0.116 R)
• M28: 37,525,279 km (0.071 R)
• M29: 39,751,296 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.1

Radius: 4.6

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.21 AU - 7.87 AU

Year: 11344 Days

Day: 24.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,222,090 km

• M1: 57,296 km (0.04 R)
• M2: 472,879 km (0.095 R)
• M3: 1,063,641 km (0.063 R)
• M4: 2,177,247 km (0.026 R)
• M5: 2,673,464 km (0.069 R)
• M6: 3,906,150 km (0.081 R)
• M7: 5,377,445 km (0.107 R)
• M8: 5,574,765 km (0.097 R)
• M9: 8,076,340 km (0.095 R)
• M10: 8,972,731 km (0.098 R)
• M11: 9,462,664 km (0.044 R)
• M12: 9,605,978 km (0.103 R)
• M13: 11,278,632 km (0.029 R)
• M14: 12,057,439 km (0.1 R)
• M15: 14,418,392 km (0.089 R)
• M16: 18,095,358 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.5

Radius: 6.7

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.85 AU - 8.73 AU

Year: 13350 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 154.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,222,090 km

• M1: 83,326 km (0.077 R)
• M2: 778,807 km (0.104 R)
• M3: 1,164,171 km (0.049 R)
• M4: 1,428,061 km (0.099 R)
• M5: 1,655,600 km (0.084 R)
• M6: 2,800,323 km (0.099 R)
• M7: 3,730,971 km (0.104 R)
• M8: 8,729,784 km (0.119 R)
• M9: 11,501,683 km (0.111 R)
• M10: 12,483,194 km (0.081 R)
• M11: 19,412,717 km (0.119 R)
• M12: 27,215,593 km (0.064 R)
• M13: 36,755,898 km (0.101 R)
• M14: 38,117,089 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857

Radius: 6.7

Gravity: 19.09 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.12 AU - 7.6 AU

Year: 13543 Days

Day: 20.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,222,090 km

• M1: 83,476 km (0.062 R)
• M2: 322,982 km (0.104 R)
• M3: 635,342 km (0.082 R)
• M4: 1,117,945 km (0.044 R)
• M5: 1,544,897 km (0.08 R)
• M6: 1,857,108 km (0.062 R)
• M7: 2,230,803 km (0.095 R)
• M8: 2,744,223 km (0.084 R)
• M9: 3,828,658 km (0.111 R)
• M10: 4,215,818 km (0.108 R)
• M11: 6,149,220 km (0.081 R)
• M12: 8,166,548 km (0.072 R)
• M13: 9,536,565 km (0.061 R)
• M14: 10,530,793 km (0.101 R)
• M15: 11,471,165 km (0.101 R)
• M16: 12,024,078 km (0.119 R)
• M17: 13,789,633 km (0.073 R)
• M18: 14,485,263 km (0.101 R)
• M19: 17,502,951 km (0.086 R)
• M20: 18,735,039 km (0.034 R)
• M21: 22,207,355 km (0.084 R)
• M22: 32,531,703 km (0.09 R)
• M23: 34,895,947 km (0.062 R)
• M24: 38,995,378 km (0.067 R)
• M25: 41,803,928 km (0.101 R)
• M26: 43,552,129 km (0.044 R)
• M27: 43,848,183 km (0.055 R)
• M28: 47,506,150 km (0.06 R)
• M29: 49,570,002 km (0.066 R)
• M30: 55,770,086 km (0.109 R)
• M31: 57,708,426 km (0.05 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 14,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit