🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.8

Radius: 8.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.86 AU - 1.1 AU

Year: 626 Days

Day: 8.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,367,753 km

• M1: 100,679 km (0.103 R)
• M2: 394,938 km (0.091 R)
• M3: 725,998 km (0.062 R)
• M4: 1,222,813 km (0.089 R)
• M5: 1,577,061 km (0.112 R)
• M6: 1,944,174 km (0.114 R)
• M7: 2,313,232 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.5

Radius: 14.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.15 AU - 1.49 AU

Year: 979 Days

Day: 5.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,367,753 km

• M1: 184,305 km (0.11 R)
• M2: 723,306 km (0.047 R)
• M3: 1,406,818 km (0.045 R)
• M4: 1,890,169 km (0.109 R)
• M5: 2,430,217 km (0.097 R)
• M6: 2,905,789 km (0.116 R)
• M7: 4,480,456 km (0.11 R)
• M8: 5,016,166 km (0.046 R)
• M9: 5,756,227 km (0.038 R)
• M10: 6,325,746 km (0.111 R)
• M11: 6,909,626 km (0.1 R)
• M12: 8,395,582 km (0.119 R)
• M13: 9,186,207 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.3

Radius: 13.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.38 AU - 1.5 AU

Year: 1116 Days

Day: 13.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,367,753 km

• M1: 180,116 km (0.114 R)
• M2: 647,609 km (0.109 R)
• M3: 1,114,504 km (0.104 R)
• M4: 1,557,314 km (0.068 R)
• M5: 1,972,298 km (0.039 R)
• M6: 2,547,652 km (0.06 R)
• M7: 3,104,156 km (0.102 R)
• M8: 4,143,263 km (0.069 R)
• M9: 4,649,352 km (0.076 R)
• M10: 5,257,617 km (0.079 R)
• M11: 7,076,129 km (0.064 R)
• M12: 8,721,406 km (0.088 R)
• M13: 9,495,426 km (0.096 R)
• M14: 10,543,209 km (0.083 R)
• M15: 11,986,529 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.2

Radius: 10.1

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.3 AU - 2.72 AU

Year: 2568 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 130.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,367,753 km

• M1: 127,009 km (0.032 R)
• M2: 525,238 km (0.114 R)
• M3: 1,209,349 km (0.081 R)
• M4: 1,675,197 km (0.106 R)
• M5: 2,220,332 km (0.074 R)
• M6: 2,576,973 km (0.073 R)
• M7: 2,895,616 km (0.047 R)
• M8: 4,631,251 km (0.074 R)
• M9: 4,973,232 km (0.116 R)
• M10: 5,903,132 km (0.083 R)
• M11: 7,223,782 km (0.045 R)
• M12: 7,538,985 km (0.048 R)
• M13: 8,258,850 km (0.102 R)
• M14: 8,603,673 km (0.116 R)
• M15: 9,627,969 km (0.068 R)
• M16: 10,258,973 km (0.108 R)
• M17: 11,218,793 km (0.077 R)
• M18: 12,686,348 km (0.119 R)
• M19: 13,660,829 km (0.059 R)
• M20: 14,322,799 km (0.094 R)
• M21: 15,052,239 km (0.116 R)
• M22: 15,615,475 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.9

Radius: 8.1

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.72 AU - 3.3 AU

Year: 3372 Days

Day: 11.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,367,753 km

• M1: 100,679 km (0.04 R)
• M2: 1,094,458 km (0.098 R)
• M3: 1,408,614 km (0.116 R)
• M4: 1,865,485 km (0.074 R)
• M5: 2,168,870 km (0.055 R)
• M6: 2,446,673 km (0.095 R)
• M7: 3,265,422 km (0.062 R)
• M8: 3,575,539 km (0.108 R)
• M9: 4,383,966 km (0.091 R)
• M10: 5,235,177 km (0.115 R)
• M11: 5,610,070 km (0.099 R)
• M12: 6,698,245 km (0.109 R)
• M13: 6,991,008 km (0.037 R)
• M14: 7,353,483 km (0.067 R)
• M15: 7,824,417 km (0.12 R)
• M16: 8,348,608 km (0.115 R)
• M17: 9,687,509 km (0.08 R)
• M18: 10,291,885 km (0.114 R)
• M19: 10,921,393 km (0.099 R)
• M20: 11,659,808 km (0.054 R)
• M21: 12,740,054 km (0.102 R)
• M22: 14,702,928 km (0.096 R)
• M23: 15,653,921 km (0.114 R)
• M24: 16,066,363 km (0.116 R)
• M25: 16,327,860 km (0.082 R)
• M26: 17,074,951 km (0.053 R)
• M27: 19,750,509 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.7

Radius: 11.4

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.26 AU - 3.44 AU

Year: 3959 Days

Day: 7.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,367,753 km

• M1: 143,165 km (0.065 R)
• M2: 554,559 km (0.107 R)
• M3: 1,064,389 km (0.113 R)
• M4: 1,523,804 km (0.108 R)
• M5: 2,217,489 km (0.116 R)
• M6: 2,579,217 km (0.065 R)
• M7: 3,036,388 km (0.11 R)
• M8: 3,694,319 km (0.118 R)
• M9: 4,230,777 km (0.074 R)
• M10: 4,742,402 km (0.097 R)
• M11: 5,544,695 km (0.111 R)
• M12: 6,038,368 km (0.103 R)
• M13: 6,784,862 km (0.104 R)
• M14: 8,727,989 km (0.072 R)
• M15: 9,157,185 km (0.103 R)
• M16: 10,100,399 km (0.104 R)
• M17: 11,062,015 km (0.05 R)
• M18: 11,988,325 km (0.087 R)
• M19: 14,802,410 km (0.086 R)
• M20: 15,413,966 km (0.117 R)
• M21: 23,149,822 km (0.101 R)
• M22: 23,522,021 km (0.109 R)
• M23: 25,051,360 km (0.078 R)
• M24: 28,392,030 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.8

Radius: 13.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.45 AU - 3.99 AU

Year: 4633 Days

Day: 14 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,367,753 km

• M1: 170,542 km (0.067 R)
• M2: 599,588 km (0.113 R)
• M3: 1,046,886 km (0.112 R)
• M4: 1,555,219 km (0.066 R)
• M5: 2,069,986 km (0.108 R)
• M6: 2,560,218 km (0.095 R)
• M7: 3,662,305 km (0.113 R)
• M8: 5,108,468 km (0.109 R)
• M9: 5,826,388 km (0.072 R)
• M10: 6,669,223 km (0.087 R)
• M11: 7,721,195 km (0.078 R)
• M12: 9,805,542 km (0.116 R)
• M13: 10,711,956 km (0.065 R)
• M14: 12,737,511 km (0.097 R)
• M15: 14,602,996 km (0.092 R)
• M16: 15,058,073 km (0.118 R)
• M17: 15,785,119 km (0.096 R)
• M18: 19,168,873 km (0.055 R)
• M19: 20,459,603 km (0.072 R)
• M20: 20,902,562 km (0.09 R)
• M21: 22,469,899 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 14.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.66 AU - 3.98 AU

Year: 4821 Days

Day: 11.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,367,753 km

• M1: 185,352 km (0.117 R)
• M2: 734,226 km (0.105 R)
• M3: 1,280,259 km (0.102 R)
• M4: 1,903,184 km (0.065 R)
• M5: 2,744,523 km (0.119 R)
• M6: 3,262,580 km (0.115 R)
• M7: 4,654,439 km (0.083 R)
• M8: 5,397,790 km (0.107 R)
• M9: 6,744,919 km (0.085 R)
• M10: 7,335,532 km (0.106 R)
• M11: 7,847,904 km (0.056 R)
• M12: 8,384,063 km (0.091 R)
• M13: 9,616,002 km (0.09 R)
• M14: 10,096,959 km (0.102 R)
• M15: 11,202,487 km (0.074 R)
• M16: 12,644,162 km (0.05 R)
• M17: 13,873,258 km (0.117 R)
• M18: 14,488,554 km (0.049 R)
• M19: 15,534,692 km (0.115 R)
• M20: 17,518,359 km (0.117 R)
• M21: 18,237,776 km (0.069 R)
• M22: 24,398,066 km (0.109 R)
• M23: 24,885,007 km (0.09 R)
• M24: 26,726,258 km (0.073 R)
• M25: 27,944,284 km (0.1 R)
• M26: 30,584,836 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.8

Radius: 3

Gravity: 43.2 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.55 AU - 7.11 AU

Year: 10283 Days

Day: 23.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,367,753 km

• M1: 37,699 km (0.064 R)
• M2: 232,325 km (0.102 R)
• M3: 624,122 km (0.055 R)
• M4: 962,662 km (0.079 R)
• M5: 1,488,948 km (0.082 R)
• M6: 1,611,019 km (0.111 R)
• M7: 2,378,606 km (0.119 R)
• M8: 2,841,761 km (0.091 R)
• M9: 3,073,039 km (0.091 R)
• M10: 3,767,622 km (0.049 R)
• M11: 5,116,995 km (0.106 R)
• M12: 8,546,227 km (0.096 R)
• M13: 9,946,762 km (0.108 R)
• M14: 10,282,909 km (0.072 R)
• M15: 10,876,663 km (0.088 R)
• M16: 11,285,065 km (0.057 R)
• M17: 13,134,992 km (0.101 R)
• M18: 17,010,774 km (0.078 R)
• M19: 21,109,606 km (0.102 R)
• M20: 21,744,200 km (0.106 R)
• M21: 23,218,038 km (0.108 R)
• M22: 31,800,917 km (0.069 R)
• M23: 33,695,724 km (0.037 R)
• M24: 34,452,539 km (0.058 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.9

Radius: 6.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.05 AU - 9.21 AU

Year: 13608 Days

Day: 19 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,367,753 km

• M1: 79,586 km (0.066 R)
• M2: 1,013,825 km (0.113 R)
• M3: 1,573,470 km (0.111 R)
• M4: 3,181,648 km (0.079 R)
• M5: 4,237,958 km (0.071 R)
• M6: 4,619,582 km (0.069 R)
• M7: 4,913,841 km (0.062 R)
• M8: 7,962,496 km (0.104 R)
• M9: 8,784,088 km (0.096 R)
• M10: 9,921,780 km (0.117 R)
• M11: 10,142,736 km (0.115 R)
• M12: 10,686,524 km (0.082 R)
• M13: 13,110,608 km (0.038 R)
• M14: 13,430,598 km (0.06 R)
• M15: 14,993,147 km (0.106 R)
• M16: 19,422,740 km (0.03 R)
• M17: 21,784,442 km (0.09 R)
• M18: 22,233,385 km (0.083 R)
• M19: 23,149,971 km (0.094 R)
• M20: 24,091,540 km (0.11 R)
• M21: 27,327,791 km (0.074 R)
• M22: 27,588,241 km (0.081 R)
• M23: 28,914,725 km (0.103 R)
• M24: 29,185,049 km (0.045 R)
• M25: 32,077,972 km (0.077 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: 386 - 11,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit