🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.9

Radius: 13.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.84 AU - 0.86 AU

Year: 523 Days

Day: 5.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,429,491 km

• M1: 187,446 km (0.085 R)
• M2: 795,412 km (0.12 R)
• M3: 1,341,295 km (0.113 R)
• M4: 1,791,135 km (0.063 R)
• M5: 2,531,794 km (0.116 R)
• M6: 2,997,493 km (0.084 R)
• M7: 4,133,838 km (0.114 R)
• M8: 4,769,479 km (0.096 R)
• M9: 5,279,907 km (0.108 R)
• M10: 6,085,941 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.7

Radius: 8.5

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.84 AU - 0.98 AU

Year: 579 Days

Day: 7.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,429,491 km

• M1: 105,766 km (0.107 R)
• M2: 378,034 km (0.119 R)
• M3: 900,280 km (0.077 R)
• M4: 1,199,326 km (0.099 R)
• M5: 1,466,957 km (0.073 R)
• M6: 1,766,751 km (0.081 R)
• M7: 2,050,987 km (0.034 R)
• M8: 2,428,422 km (0.084 R)
• M9: 2,724,327 km (0.079 R)
• M10: 3,007,665 km (0.044 R)
• M11: 3,578,680 km (0.1 R)
• M12: 4,113,193 km (0.039 R)
• M13: 4,617,637 km (0.115 R)
• M14: 5,162,473 km (0.105 R)
• M15: 6,258,876 km (0.101 R)
• M16: 6,586,944 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 9.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.85 AU - 1.35 AU

Year: 769 Days

Day: 9 Hours

Environment

Temp: -174 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,429,491 km

• M1: 115,490 km (0.093 R)
• M2: 643,570 km (0.068 R)
• M3: 936,333 km (0.118 R)
• M4: 1,354,908 km (0.055 R)
• M5: 1,703,621 km (0.093 R)
• M6: 2,458,192 km (0.039 R)
• M7: 2,807,653 km (0.1 R)
• M8: 4,016,404 km (0.093 R)
• M9: 4,647,557 km (0.088 R)
• M10: 5,150,206 km (0.089 R)
• M11: 6,878,061 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.6

Radius: 14.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.08 AU - 1.14 AU

Year: 780 Days

Day: 7.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,429,491 km

• M1: 175,628 km (0.094 R)
• M2: 901,776 km (0.048 R)
• M3: 1,633,010 km (0.069 R)
• M4: 2,331,184 km (0.104 R)
• M5: 2,836,675 km (0.069 R)
• M6: 3,946,990 km (0.053 R)
• M7: 4,398,626 km (0.117 R)
• M8: 5,235,028 km (0.09 R)
• M9: 6,007,551 km (0.074 R)
• M10: 7,511,758 km (0.096 R)
• M11: 8,601,578 km (0.112 R)
• M12: 9,282,249 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.8

Radius: 14.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.99 AU - 1.29 AU

Year: 812 Days

Day: 7.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,429,491 km

• M1: 176,675 km (0.108 R)
• M2: 784,790 km (0.085 R)
• M3: 1,230,143 km (0.09 R)
• M4: 1,699,133 km (0.101 R)
• M5: 2,310,689 km (0.091 R)
• M6: 2,762,773 km (0.12 R)
• M7: 3,248,069 km (0.064 R)
• M8: 3,834,792 km (0.063 R)
• M9: 5,408,561 km (0.049 R)
• M10: 5,952,050 km (0.082 R)
• M11: 6,425,677 km (0.075 R)
• M12: 7,013,896 km (0.114 R)
• M13: 7,472,713 km (0.093 R)
• M14: 8,025,028 km (0.093 R)
• M15: 8,527,527 km (0.118 R)
• M16: 9,024,192 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.1

Radius: 8.2

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.73 AU - 2.45 AU

Year: 2015 Days

Day: 12.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 172.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,429,491 km

• M1: 102,026 km (0.095 R)
• M2: 361,728 km (0.112 R)
• M3: 1,552,527 km (0.084 R)
• M4: 1,814,024 km (0.081 R)
• M5: 2,230,504 km (0.09 R)
• M6: 2,636,962 km (0.079 R)
• M7: 4,482,551 km (0.083 R)
• M8: 5,671,405 km (0.104 R)
• M9: 5,942,476 km (0.068 R)
• M10: 7,228,270 km (0.039 R)
• M11: 8,787,529 km (0.089 R)
• M12: 9,117,841 km (0.055 R)
• M13: 10,158,443 km (0.035 R)
• M14: 12,849,260 km (0.108 R)
• M15: 13,361,334 km (0.106 R)
• M16: 14,747,358 km (0.084 R)
• M17: 15,690,872 km (0.063 R)
• M18: 16,177,514 km (0.119 R)
• M19: 17,078,691 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.5

Radius: 11.8

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.91 AU - 2.89 AU

Year: 2479 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,429,491 km

• M1: 147,952 km (0.11 R)
• M2: 619,335 km (0.071 R)
• M3: 1,117,346 km (0.109 R)
• M4: 2,399,849 km (0.094 R)
• M5: 2,835,328 km (0.113 R)
• M6: 3,750,419 km (0.109 R)
• M7: 4,945,556 km (0.1 R)
• M8: 5,429,056 km (0.086 R)
• M9: 6,865,196 km (0.106 R)
• M10: 7,719,400 km (0.098 R)
• M11: 8,746,090 km (0.099 R)
• M12: 9,455,483 km (0.11 R)
• M13: 10,948,919 km (0.073 R)
• M14: 12,114,286 km (0.102 R)
• M15: 13,406,512 km (0.08 R)
• M16: 13,825,686 km (0.09 R)
• M17: 14,205,664 km (0.067 R)
• M18: 14,592,674 km (0.084 R)
• M19: 19,982,835 km (0.058 R)
• M20: 20,653,482 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.7

Radius: 11.7

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.15 AU - 3.43 AU

Year: 3979 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,429,491 km

• M1: 145,559 km (0.107 R)
• M2: 517,309 km (0.101 R)
• M3: 922,720 km (0.075 R)
• M4: 2,110,078 km (0.068 R)
• M5: 2,524,614 km (0.03 R)
• M6: 2,940,645 km (0.066 R)
• M7: 4,311,261 km (0.116 R)
• M8: 5,164,866 km (0.091 R)
• M9: 5,536,468 km (0.12 R)
• M10: 6,040,762 km (0.044 R)
• M11: 7,077,026 km (0.073 R)
• M12: 8,263,936 km (0.089 R)
• M13: 9,539,557 km (0.109 R)
• M14: 10,142,436 km (0.078 R)
• M15: 10,516,282 km (0.086 R)
• M16: 12,150,937 km (0.105 R)
• M17: 12,620,525 km (0.11 R)
• M18: 13,646,019 km (0.088 R)
• M19: 16,141,610 km (0.092 R)
• M20: 16,594,892 km (0.073 R)
• M21: 21,880,933 km (0.108 R)
• M22: 22,647,173 km (0.114 R)
• M23: 23,648,132 km (0.113 R)
• M24: 24,603,763 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.9

Radius: 4.4

Gravity: 37.29 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.44 AU - 8.52 AU

Year: 12297 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,429,491 km

• M1: 54,753 km (0.096 R)
• M2: 258,954 km (0.101 R)
• M3: 482,304 km (0.082 R)
• M4: 735,274 km (0.094 R)
• M5: 887,415 km (0.06 R)
• M6: 1,072,318 km (0.085 R)
• M7: 1,218,026 km (0.102 R)
• M8: 1,580,053 km (0.118 R)
• M9: 2,010,446 km (0.052 R)
• M10: 2,557,226 km (0.042 R)
• M11: 2,911,025 km (0.068 R)
• M12: 3,051,797 km (0.026 R)
• M13: 3,423,996 km (0.053 R)
• M14: 3,966,438 km (0.104 R)
• M15: 4,470,882 km (0.098 R)
• M16: 5,393,302 km (0.035 R)
• M17: 6,049,289 km (0.093 R)
• M18: 6,838,867 km (0.076 R)
• M19: 7,562,172 km (0.101 R)
• M20: 8,813,559 km (0.096 R)
• M21: 9,259,659 km (0.079 R)
• M22: 13,842,141 km (0.103 R)
• M23: 14,040,957 km (0.089 R)
• M24: 18,111,964 km (0.107 R)
• M25: 18,913,210 km (0.058 R)
• M26: 22,997,531 km (0.105 R)
• M27: 23,183,332 km (0.083 R)
• M28: 24,998,403 km (0.099 R)
• M29: 26,293,471 km (0.117 R)
• M30: 31,121,443 km (0.05 R)
• M31: 33,325,768 km (0.098 R)
• M32: 36,005,814 km (0.067 R)
• M33: 38,042,739 km (0.104 R)
• M34: 41,376,976 km (0.068 R)
• M35: 42,623,575 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.3

Radius: 4.6

Gravity: 36.26 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.73 AU - 10.21 AU

Year: 17915 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,429,491 km

• M1: 57,146 km (0.079 R)
• M2: 314,904 km (0.084 R)
• M3: 464,053 km (0.113 R)
• M4: 1,940,883 km (0.093 R)
• M5: 2,372,473 km (0.106 R)
• M6: 2,941,094 km (0.051 R)
• M7: 3,595,884 km (0.108 R)
• M8: 3,743,687 km (0.057 R)
• M9: 5,809,783 km (0.046 R)
• M10: 7,821,725 km (0.108 R)
• M11: 8,324,673 km (0.083 R)
• M12: 9,847,429 km (0.097 R)
• M13: 10,735,143 km (0.036 R)
• M14: 11,804,319 km (0.026 R)
• M15: 12,804,979 km (0.081 R)
• M16: 23,537,280 km (0.095 R)
• M17: 26,318,005 km (0.115 R)
• M18: 30,641,234 km (0.105 R)
• M19: 32,905,697 km (0.076 R)
• M20: 35,958,541 km (0.098 R)
• M21: 41,256,849 km (0.045 R)
• M22: 43,235,430 km (0.084 R)
• M23: 44,169,519 km (0.061 R)
• M24: 48,373,070 km (0.079 R)
• M25: 53,012,549 km (0.11 R)
• M26: 62,568,262 km (0.1 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: 519 - 16,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit