🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.5

Radius: 13.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.75 AU - 1.03 AU

Year: 560 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,535,599 km

• M1: 170,990 km (0.09 R)
• M2: 694,882 km (0.105 R)
• M3: 1,162,974 km (0.08 R)
• M4: 1,771,837 km (0.086 R)
• M5: 2,308,744 km (0.085 R)
• M6: 3,244,329 km (0.114 R)
• M7: 4,057,693 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44

Radius: 8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.03 AU - 1.13 AU

Year: 748 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,535,599 km

• M1: 99,483 km (0.1 R)
• M2: 421,716 km (0.092 R)
• M3: 693,237 km (0.105 R)
• M4: 1,000,062 km (0.1 R)
• M5: 2,146,430 km (0.08 R)
• M6: 2,424,981 km (0.077 R)
• M7: 3,110,888 km (0.089 R)

Asteroid Belt

Center: 1.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.9

Radius: 13.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.67 AU - 1.73 AU

Year: 1478 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,535,599 km

• M1: 163,062 km (0.073 R)
• M2: 571,913 km (0.106 R)
• M3: 1,059,602 km (0.105 R)
• M4: 2,077,765 km (0.034 R)
• M5: 2,600,759 km (0.099 R)
• M6: 3,025,318 km (0.051 R)
• M7: 3,669,785 km (0.099 R)
• M8: 4,797,753 km (0.062 R)
• M9: 5,569,828 km (0.055 R)
• M10: 6,099,105 km (0.057 R)
• M11: 9,237,818 km (0.093 R)
• M12: 10,141,539 km (0.113 R)
• M13: 12,161,559 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.1

Radius: 13.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.89 AU - 2.49 AU

Year: 2161 Days

Day: 13.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,535,599 km

• M1: 162,912 km (0.101 R)
• M2: 625,917 km (0.106 R)
• M3: 1,244,355 km (0.093 R)
• M4: 2,064,002 km (0.117 R)
• M5: 2,623,647 km (0.094 R)
• M6: 4,458,914 km (0.073 R)
• M7: 4,936,580 km (0.075 R)
• M8: 5,471,393 km (0.085 R)
• M9: 6,295,527 km (0.104 R)
• M10: 7,034,840 km (0.116 R)
• M11: 8,160,414 km (0.066 R)
• M12: 8,878,634 km (0.103 R)
• M13: 10,694,303 km (0.082 R)
• M14: 11,288,207 km (0.116 R)
• M15: 12,021,984 km (0.058 R)
• M16: 12,828,317 km (0.104 R)
• M17: 13,456,628 km (0.111 R)
• M18: 13,973,937 km (0.055 R)
• M19: 15,002,722 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.1

Radius: 14

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.34 AU - 3.64 AU

Year: 4348 Days

Day: 8.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,535,599 km

• M1: 174,132 km (0.098 R)
• M2: 644,468 km (0.102 R)
• M3: 1,088,325 km (0.09 R)
• M4: 3,269,461 km (0.1 R)
• M5: 4,374,691 km (0.113 R)
• M6: 5,295,765 km (0.108 R)
• M7: 10,708,814 km (0.11 R)
• M8: 11,523,374 km (0.058 R)
• M9: 16,348,205 km (0.1 R)
• M10: 17,306,529 km (0.102 R)
• M11: 19,008,055 km (0.071 R)
• M12: 24,087,950 km (0.103 R)
• M13: 25,249,877 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.1

Radius: 8.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.47 AU - 5.59 AU

Year: 6429 Days

Day: 5 Hours

Environment

Temp: -221 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,535,599 km

• M1: 113,844 km (0.089 R)
• M2: 898,634 km (0.106 R)
• M3: 3,121,509 km (0.108 R)
• M4: 3,589,601 km (0.114 R)
• M5: 4,171,537 km (0.09 R)
• M6: 5,495,478 km (0.1 R)
• M7: 5,830,577 km (0.102 R)
• M8: 6,120,049 km (0.089 R)
• M9: 6,419,245 km (0.119 R)
• M10: 8,207,388 km (0.103 R)
• M11: 10,346,787 km (0.102 R)
• M12: 14,084,789 km (0.112 R)
• M13: 21,448,146 km (0.116 R)
• M14: 22,847,185 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 10.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.81 AU - 5.33 AU

Year: 6515 Days

Day: 5.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,535,599 km

• M1: 127,757 km (0.1 R)
• M2: 445,652 km (0.059 R)
• M3: 1,340,098 km (0.047 R)
• M4: 1,861,746 km (0.046 R)
• M5: 2,558,273 km (0.096 R)
• M6: 3,456,160 km (0.087 R)
• M7: 4,068,314 km (0.111 R)
• M8: 4,595,497 km (0.092 R)
• M9: 5,864,386 km (0.064 R)
• M10: 6,235,538 km (0.119 R)
• M11: 7,054,736 km (0.095 R)
• M12: 7,754,106 km (0.11 R)
• M13: 9,759,915 km (0.11 R)
• M14: 10,863,049 km (0.063 R)
• M15: 11,588,449 km (0.039 R)
• M16: 14,052,626 km (0.093 R)
• M17: 15,357,269 km (0.096 R)
• M18: 16,426,594 km (0.116 R)
• M19: 17,274,066 km (0.113 R)
• M20: 18,094,910 km (0.087 R)
• M21: 19,814,088 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.3

Radius: 12.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.51 AU - 5.31 AU

Year: 7255 Days

Day: 10 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,535,599 km

• M1: 160,967 km (0.087 R)
• M2: 577,448 km (0.06 R)
• M3: 1,196,783 km (0.098 R)
• M4: 1,713,195 km (0.08 R)
• M5: 2,176,350 km (0.104 R)
• M6: 2,685,431 km (0.091 R)
• M7: 3,450,924 km (0.114 R)
• M8: 4,464,150 km (0.108 R)
• M9: 4,938,824 km (0.106 R)
• M10: 6,056,470 km (0.066 R)
• M11: 8,746,240 km (0.098 R)
• M12: 9,403,124 km (0.052 R)
• M13: 11,469,669 km (0.06 R)
• M14: 11,990,868 km (0.119 R)
• M15: 12,419,017 km (0.053 R)
• M16: 12,857,488 km (0.104 R)
• M17: 16,092,991 km (0.088 R)
• M18: 16,680,611 km (0.043 R)
• M19: 17,282,444 km (0.116 R)
• M20: 19,175,455 km (0.053 R)
• M21: 19,910,579 km (0.1 R)
• M22: 22,228,897 km (0.1 R)
• M23: 22,632,063 km (0.061 R)
• M24: 26,035,714 km (0.111 R)
• M25: 30,060,346 km (0.104 R)
• M26: 31,556,624 km (0.112 R)
• M27: 34,267,187 km (0.105 R)
• M28: 35,349,977 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.5

Radius: 3.6

Gravity: 19.33 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.96 AU - 10.76 AU

Year: 17587 Days

Day: 24.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,535,599 km

• M1: 44,730 km (0.109 R)
• M2: 162,164 km (0.053 R)
• M3: 321,486 km (0.036 R)
• M4: 901,626 km (0.109 R)
• M5: 1,870,721 km (0.114 R)
• M6: 2,277,029 km (0.112 R)
• M7: 2,511,150 km (0.11 R)
• M8: 2,782,670 km (0.03 R)
• M9: 3,027,412 km (0.119 R)
• M10: 3,334,836 km (0.071 R)
• M11: 4,441,710 km (0.066 R)
• M12: 5,702,072 km (0.07 R)
• M13: 6,624,792 km (0.054 R)
• M14: 7,141,802 km (0.106 R)
• M15: 8,713,777 km (0.048 R)
• M16: 9,431,847 km (0.038 R)
• M17: 9,780,110 km (0.114 R)
• M18: 11,203,983 km (0.105 R)
• M19: 14,130,566 km (0.082 R)
• M20: 15,186,577 km (0.044 R)
• M21: 18,590,976 km (0.07 R)
• M22: 20,264,079 km (0.078 R)
• M23: 22,121,486 km (0.082 R)
• M24: 24,273,900 km (0.11 R)
• M25: 28,164,492 km (0.08 R)
• M26: 28,471,916 km (0.116 R)
• M27: 28,678,211 km (0.055 R)
• M28: 32,450,621 km (0.097 R)
• M29: 32,562,969 km (0.118 R)
• M30: 36,540,626 km (0.107 R)
• M31: 36,784,321 km (0.074 R)
• M32: 43,640,392 km (0.077 R)
• M33: 46,434,281 km (0.047 R)
• M34: 49,941,304 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.3

Radius: 5

Gravity: 21.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.06 AU - 9.28 AU

Year: 18518 Days

Day: 19.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,535,599 km

• M1: 62,682 km (0.083 R)
• M2: 218,562 km (0.102 R)
• M3: 1,584,840 km (0.081 R)
• M4: 2,004,462 km (0.1 R)
• M5: 3,215,606 km (0.112 R)
• M6: 4,916,983 km (0.084 R)
• M7: 6,448,416 km (0.119 R)
• M8: 7,007,763 km (0.098 R)
• M9: 7,978,802 km (0.047 R)
• M10: 9,791,480 km (0.028 R)
• M11: 11,673,571 km (0.119 R)
• M12: 13,576,007 km (0.113 R)
• M13: 14,492,294 km (0.086 R)
• M14: 19,876,471 km (0.102 R)
• M15: 31,365,288 km (0.063 R)
• M16: 33,969,039 km (0.057 R)
• M17: 41,609,750 km (0.042 R)
• M18: 41,902,064 km (0.1 R)
• M19: 44,137,655 km (0.082 R)
• M20: 48,359,905 km (0.069 R)
• M21: 49,496,999 km (0.091 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: 231 - 10,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit