🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.8

Radius: 11.3

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.52 AU - 0.6 AU

Year: 284 Days

Day: 12.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,901,871 km

• M1: 140,622 km (0.113 R)
• M2: 520,601 km (0.049 R)
• M3: 1,025,493 km (0.066 R)
• M4: 1,428,809 km (0.093 R)
• M5: 1,823,897 km (0.109 R)
• M6: 2,363,497 km (0.113 R)
• M7: 3,064,812 km (0.047 R)
• M8: 3,809,959 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 12

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.87 AU - 1.05 AU

Year: 638 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,901,871 km

• M1: 149,299 km (0.108 R)
• M2: 588,069 km (0.093 R)
• M3: 999,314 km (0.113 R)
• M4: 1,413,700 km (0.091 R)
• M5: 2,030,043 km (0.095 R)
• M6: 2,433,060 km (0.114 R)
• M7: 2,829,793 km (0.114 R)
• M8: 3,719,452 km (0.085 R)
• M9: 4,383,218 km (0.049 R)
• M10: 4,858,939 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.3

Radius: 14

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.96 AU - 1.28 AU

Year: 804 Days

Day: 10.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,901,871 km

• M1: 174,132 km (0.099 R)
• M2: 765,941 km (0.109 R)
• M3: 1,362,986 km (0.116 R)
• M4: 2,003,863 km (0.045 R)
• M5: 2,553,785 km (0.105 R)
• M6: 3,583,318 km (0.104 R)
• M7: 4,385,910 km (0.113 R)
• M8: 5,032,772 km (0.096 R)
• M9: 5,549,632 km (0.11 R)
• M10: 6,000,670 km (0.067 R)
• M11: 6,821,813 km (0.099 R)
• M12: 7,645,199 km (0.108 R)
• M13: 8,105,961 km (0.104 R)
• M14: 8,792,764 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.5

Radius: 13.4

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.3 AU - 2.12 AU

Year: 1517 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,901,871 km

• M1: 166,652 km (0.075 R)
• M2: 686,654 km (0.055 R)
• M3: 1,270,834 km (0.103 R)
• M4: 1,798,166 km (0.091 R)
• M5: 2,294,233 km (0.09 R)
• M6: 3,616,229 km (0.105 R)
• M7: 4,490,629 km (0.103 R)
• M8: 5,128,514 km (0.049 R)
• M9: 6,118,254 km (0.109 R)
• M10: 6,756,289 km (0.104 R)
• M11: 7,438,305 km (0.089 R)
• M12: 8,333,948 km (0.089 R)
• M13: 9,119,037 km (0.071 R)
• M14: 9,889,616 km (0.053 R)
• M15: 10,372,368 km (0.11 R)
• M16: 10,938,596 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.7

Radius: 10.1

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.85 AU - 2.59 AU

Year: 2243 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,901,871 km

• M1: 125,662 km (0.077 R)
• M2: 486,492 km (0.072 R)
• M3: 854,653 km (0.088 R)
• M4: 1,293,722 km (0.072 R)
• M5: 1,766,152 km (0.066 R)
• M6: 3,530,959 km (0.061 R)
• M7: 3,948,337 km (0.088 R)
• M8: 4,293,160 km (0.118 R)
• M9: 4,724,750 km (0.082 R)
• M10: 5,185,062 km (0.033 R)
• M11: 7,333,138 km (0.102 R)
• M12: 8,604,271 km (0.102 R)
• M13: 9,257,116 km (0.113 R)
• M14: 12,806,924 km (0.071 R)
• M15: 14,834,723 km (0.082 R)
• M16: 16,077,882 km (0.081 R)
• M17: 17,014,963 km (0.045 R)
• M18: 17,551,121 km (0.112 R)
• M19: 17,878,142 km (0.058 R)
• M20: 18,264,853 km (0.072 R)
• M21: 19,112,474 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.9

Radius: 11.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.04 AU - 2.76 AU

Year: 2522 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,901,871 km

• M1: 138,228 km (0.058 R)
• M2: 710,889 km (0.117 R)
• M3: 1,105,528 km (0.045 R)
• M4: 1,849,478 km (0.115 R)
• M5: 2,409,274 km (0.115 R)
• M6: 3,092,786 km (0.047 R)
• M7: 4,514,565 km (0.11 R)
• M8: 4,952,438 km (0.095 R)
• M9: 5,853,017 km (0.081 R)
• M10: 6,859,362 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.6

Radius: 9.8

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.16 AU - 5 AU

Year: 6648 Days

Day: 9 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,901,871 km

• M1: 194,477 km (0.112 R)
• M2: 850,314 km (0.101 R)
• M3: 1,663,080 km (0.1 R)
• M4: 2,278,974 km (0.111 R)
• M5: 3,522,581 km (0.096 R)
• M6: 4,365,565 km (0.114 R)
• M7: 5,007,490 km (0.041 R)
• M8: 9,362,583 km (0.074 R)
• M9: 14,833,227 km (0.037 R)
• M10: 15,458,696 km (0.032 R)
• M11: 22,492,189 km (0.115 R)
• M12: 24,163,646 km (0.106 R)
• M13: 26,990,897 km (0.106 R)
• M14: 27,496,837 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.4

Radius: 5.6

Gravity: 13.63 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.81 AU - 6.69 AU

Year: 9352 Days

Day: 15.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 122.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,901,871 km

• M1: 80,334 km (0.084 R)
• M2: 333,603 km (0.091 R)
• M3: 644,617 km (0.106 R)
• M4: 1,411,905 km (0.059 R)
• M5: 2,647,882 km (0.116 R)
• M6: 5,286,789 km (0.094 R)
• M7: 5,663,027 km (0.089 R)
• M8: 7,658,962 km (0.103 R)
• M9: 10,659,297 km (0.114 R)
• M10: 11,413,121 km (0.101 R)
• M11: 14,122,937 km (0.062 R)
• M12: 15,721,689 km (0.09 R)
• M13: 16,498,850 km (0.068 R)
• M14: 31,015,079 km (0.094 R)
• M15: 32,338,123 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323

Radius: 4.5

Gravity: 15.95 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.73 AU - 10.51 AU

Year: 18680 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,901,871 km

• M1: 56,398 km (0.058 R)
• M2: 198,217 km (0.083 R)
• M3: 338,690 km (0.119 R)
• M4: 1,181,075 km (0.053 R)
• M5: 1,492,538 km (0.043 R)
• M6: 2,143,438 km (0.118 R)
• M7: 3,232,062 km (0.065 R)
• M8: 3,409,335 km (0.086 R)
• M9: 3,728,577 km (0.093 R)
• M10: 4,274,310 km (0.051 R)
• M11: 6,152,960 km (0.11 R)
• M12: 6,666,231 km (0.117 R)
• M13: 7,423,495 km (0.091 R)
• M14: 8,143,210 km (0.119 R)
• M15: 8,283,234 km (0.088 R)
• M16: 9,308,428 km (0.079 R)
• M17: 9,564,540 km (0.108 R)
• M18: 9,877,947 km (0.109 R)
• M19: 10,306,545 km (0.116 R)
• M20: 11,200,542 km (0.097 R)
• M21: 15,296,233 km (0.113 R)
• M22: 18,067,832 km (0.099 R)
• M23: 18,627,328 km (0.093 R)
• M24: 19,865,101 km (0.046 R)
• M25: 20,289,510 km (0.097 R)
• M26: 23,620,457 km (0.112 R)
• M27: 32,968,080 km (0.111 R)
• M28: 38,844,434 km (0.113 R)
• M29: 40,178,697 km (0.033 R)
• M30: 41,819,935 km (0.097 R)
• M31: 43,933,603 km (0.078 R)
• M32: 54,909,150 km (0.112 R)
• M33: 56,588,237 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600

Radius: 3.7

Gravity: 43.83 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.84 AU - 11.8 AU

Year: 20872 Days

Day: 24.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,901,871 km

• M1: 46,076 km (0.107 R)
• M2: 178,620 km (0.113 R)
• M3: 700,417 km (0.116 R)
• M4: 1,243,906 km (0.106 R)
• M5: 1,552,377 km (0.057 R)
• M6: 2,385,637 km (0.091 R)
• M7: 2,988,217 km (0.102 R)
• M8: 3,746,230 km (0.095 R)
• M9: 3,930,684 km (0.067 R)
• M10: 4,056,945 km (0.044 R)
• M11: 4,729,836 km (0.096 R)
• M12: 5,280,954 km (0.077 R)
• M13: 6,422,536 km (0.093 R)
• M14: 8,221,450 km (0.057 R)
• M15: 9,347,025 km (0.067 R)
• M16: 10,510,746 km (0.115 R)
• M17: 11,444,536 km (0.055 R)
• M18: 11,898,715 km (0.088 R)
• M19: 16,458,608 km (0.053 R)
• M20: 16,622,418 km (0.075 R)
• M21: 20,132,582 km (0.118 R)
• M22: 25,175,377 km (0.034 R)
• M23: 25,611,754 km (0.102 R)
• M24: 27,407,826 km (0.107 R)
• M25: 27,753,696 km (0.048 R)
• M26: 27,985,872 km (0.102 R)
• M27: 37,942,658 km (0.12 R)
• M28: 38,085,524 km (0.095 R)
• M29: 49,338,874 km (0.07 R)
• M30: 51,058,202 km (0.102 R)
• M31: 69,854,726 km (0.055 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 18,553 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit