🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516

Radius: 14.7

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.25 AU - 1.39 AU

Year: 995 Days

Day: 13 Hours

Environment

Temp: -167 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,826,444 km

• M1: 182,809 km (0.113 R)
• M2: 678,726 km (0.062 R)
• M3: 1,136,046 km (0.09 R)
• M4: 1,660,836 km (0.047 R)
• M5: 2,360,355 km (0.067 R)
• M6: 3,225,330 km (0.079 R)
• M7: 3,948,785 km (0.109 R)
• M8: 5,116,546 km (0.108 R)
• M9: 6,291,488 km (0.079 R)
• M10: 7,193,264 km (0.077 R)
• M11: 7,857,479 km (0.057 R)
• M12: 8,718,863 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 11.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.97 AU - 2.87 AU

Year: 2470 Days

Day: 7.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,826,444 km

• M1: 144,212 km (0.08 R)
• M2: 627,563 km (0.083 R)
• M3: 1,038,808 km (0.096 R)
• M4: 1,510,490 km (0.117 R)
• M5: 2,155,107 km (0.061 R)
• M6: 2,989,414 km (0.063 R)
• M7: 3,622,064 km (0.111 R)
• M8: 4,929,399 km (0.094 R)
• M9: 5,548,585 km (0.107 R)
• M10: 6,989,811 km (0.117 R)
• M11: 7,596,430 km (0.035 R)
• M12: 8,531,267 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.2

Radius: 11.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.01 AU - 3.07 AU

Year: 2656 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,826,444 km

• M1: 148,850 km (0.109 R)
• M2: 603,627 km (0.055 R)
• M3: 1,570,179 km (0.085 R)
• M4: 1,939,387 km (0.072 R)
• M5: 2,404,935 km (0.069 R)
• M6: 3,003,177 km (0.103 R)
• M7: 3,581,074 km (0.102 R)
• M8: 4,048,866 km (0.088 R)
• M9: 4,479,259 km (0.05 R)
• M10: 4,878,387 km (0.072 R)
• M11: 5,544,097 km (0.051 R)
• M12: 6,567,047 km (0.043 R)
• M13: 8,111,795 km (0.081 R)
• M14: 9,047,380 km (0.12 R)
• M15: 9,460,569 km (0.096 R)
• M16: 9,853,114 km (0.119 R)
• M17: 10,462,426 km (0.093 R)
• M18: 10,882,497 km (0.108 R)
• M19: 11,906,644 km (0.08 R)
• M20: 13,644,223 km (0.094 R)
• M21: 14,358,852 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.1

Radius: 8.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.22 AU - 3.24 AU

Year: 2959 Days

Day: 14.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,826,444 km

• M1: 128,056 km (0.118 R)
• M2: 409,300 km (0.097 R)
• M3: 1,121,984 km (0.091 R)
• M4: 1,593,517 km (0.119 R)
• M5: 2,066,246 km (0.052 R)
• M6: 2,670,172 km (0.086 R)
• M7: 2,948,724 km (0.071 R)
• M8: 3,277,540 km (0.051 R)
• M9: 4,117,382 km (0.113 R)
• M10: 6,966,773 km (0.101 R)
• M11: 7,363,207 km (0.056 R)
• M12: 12,697,418 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.7

Radius: 13.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.7 AU - 2.78 AU

Year: 2975 Days

Day: 12.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,826,444 km

• M1: 164,258 km (0.116 R)
• M2: 643,570 km (0.097 R)
• M3: 1,057,507 km (0.056 R)
• M4: 1,522,308 km (0.102 R)
• M5: 1,948,512 km (0.119 R)
• M6: 3,187,931 km (0.064 R)
• M7: 4,759,456 km (0.08 R)
• M8: 5,309,378 km (0.112 R)
• M9: 5,742,763 km (0.114 R)
• M10: 6,172,408 km (0.1 R)
• M11: 7,066,555 km (0.047 R)
• M12: 7,560,826 km (0.097 R)
• M13: 9,439,177 km (0.098 R)
• M14: 9,963,368 km (0.084 R)
• M15: 10,507,006 km (0.108 R)
• M16: 11,611,338 km (0.065 R)
• M17: 13,294,763 km (0.055 R)
• M18: 15,390,031 km (0.101 R)
• M19: 18,036,417 km (0.112 R)
• M20: 19,139,851 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.9

Radius: 9.5

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.12 AU - 3.46 AU

Year: 3057 Days

Day: 9.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,826,444 km

• M1: 121,025 km (0.067 R)
• M2: 461,061 km (0.103 R)
• M3: 895,942 km (0.115 R)
• M4: 1,406,818 km (0.092 R)
• M5: 2,290,643 km (0.078 R)
• M6: 3,353,835 km (0.112 R)
• M7: 3,901,961 km (0.106 R)
• M8: 4,246,934 km (0.101 R)
• M9: 4,738,513 km (0.107 R)
• M10: 6,160,440 km (0.09 R)
• M11: 8,028,918 km (0.111 R)
• M12: 8,781,844 km (0.075 R)
• M13: 11,362,557 km (0.101 R)
• M14: 13,056,603 km (0.085 R)
• M15: 13,440,471 km (0.109 R)
• M16: 13,744,304 km (0.053 R)
• M17: 15,759,836 km (0.107 R)
• M18: 16,146,547 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 11.6

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.98 AU - 4.3 AU

Year: 5526 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,826,444 km

• M1: 147,204 km (0.113 R)
• M2: 601,533 km (0.118 R)
• M3: 1,681,181 km (0.094 R)
• M4: 2,108,432 km (0.118 R)
• M5: 2,644,591 km (0.114 R)
• M6: 3,249,415 km (0.113 R)
• M7: 4,763,795 km (0.115 R)
• M8: 5,631,462 km (0.095 R)
• M9: 7,418,110 km (0.05 R)
• M10: 8,261,094 km (0.075 R)
• M11: 11,322,016 km (0.038 R)
• M12: 14,950,662 km (0.073 R)
• M13: 17,716,277 km (0.039 R)
• M14: 23,508,557 km (0.082 R)
• M15: 26,003,850 km (0.12 R)
• M16: 29,225,440 km (0.066 R)
• M17: 30,739,071 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.9

Radius: 5.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.3 AU - 11.92 AU

Year: 21088 Days

Day: 21.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,826,444 km

• M1: 70,311 km (0.107 R)
• M2: 244,443 km (0.111 R)
• M3: 434,582 km (0.107 R)
• M4: 1,058,555 km (0.079 R)
• M5: 1,708,856 km (0.085 R)
• M6: 2,441,886 km (0.046 R)
• M7: 3,753,710 km (0.058 R)
• M8: 9,321,892 km (0.109 R)
• M9: 15,491,308 km (0.113 R)
• M10: 20,134,228 km (0.076 R)
• M11: 23,408,925 km (0.084 R)
• M12: 30,268,885 km (0.116 R)
• M13: 33,003,385 km (0.107 R)
• M14: 35,783,811 km (0.093 R)
• M15: 41,174,720 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.6

Radius: 5.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.78 AU - 12.96 AU

Year: 21907 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,826,444 km

• M1: 63,429 km (0.086 R)
• M2: 376,089 km (0.103 R)
• M3: 1,224,309 km (0.117 R)
• M4: 1,934,300 km (0.037 R)
• M5: 2,601,058 km (0.114 R)
• M6: 3,279,036 km (0.115 R)
• M7: 3,590,050 km (0.073 R)
• M8: 4,533,863 km (0.099 R)
• M9: 5,726,158 km (0.073 R)
• M10: 6,276,977 km (0.09 R)
• M11: 7,223,184 km (0.05 R)
• M12: 8,422,809 km (0.091 R)
• M13: 9,048,577 km (0.1 R)
• M14: 9,220,465 km (0.099 R)
• M15: 9,930,307 km (0.103 R)
• M16: 10,628,181 km (0.113 R)
• M17: 13,190,643 km (0.046 R)
• M18: 16,969,634 km (0.068 R)
• M19: 17,965,208 km (0.116 R)
• M20: 19,638,012 km (0.03 R)
• M21: 22,181,774 km (0.054 R)
• M22: 23,613,425 km (0.119 R)
• M23: 30,822,696 km (0.097 R)
• M24: 31,506,957 km (0.053 R)
• M25: 32,703,441 km (0.089 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: 188 - 13,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit