🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.1

Radius: 14.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.64 AU - 0.98 AU

Year: 503 Days

Day: 10.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,574,269 km

• M1: 181,612 km (0.04 R)
• M2: 1,102,088 km (0.082 R)
• M3: 2,870,484 km (0.114 R)
• M4: 3,726,333 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.5

Radius: 9.1

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.1 AU - 1.2 AU

Year: 851 Days

Day: 7 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,574,269 km

• M1: 113,844 km (0.115 R)
• M2: 529,277 km (0.088 R)
• M3: 814,560 km (0.081 R)
• M4: 1,536,969 km (0.085 R)
• M5: 1,973,495 km (0.119 R)
• M6: 2,415,108 km (0.087 R)
• M7: 2,921,646 km (0.082 R)
• M8: 4,084,770 km (0.103 R)
• M9: 5,214,383 km (0.1 R)
• M10: 6,041,660 km (0.112 R)
• M11: 6,976,198 km (0.104 R)
• M12: 8,201,254 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 8.6

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.03 AU - 1.31 AU

Year: 874 Days

Day: 6.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,574,269 km

• M1: 107,561 km (0.105 R)
• M2: 409,599 km (0.104 R)
• M3: 1,076,805 km (0.096 R)
• M4: 1,502,860 km (0.104 R)
• M5: 1,803,402 km (0.082 R)
• M6: 2,243,669 km (0.113 R)
• M7: 2,560,966 km (0.103 R)
• M8: 3,366,550 km (0.071 R)
• M9: 4,861,183 km (0.117 R)
• M10: 5,507,894 km (0.074 R)
• M11: 6,374,664 km (0.105 R)
• M12: 7,629,192 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 9.4

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.82 AU - 2.74 AU

Year: 2376 Days

Day: 9.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,574,269 km

• M1: 116,836 km (0.1 R)
• M2: 431,590 km (0.057 R)
• M3: 762,949 km (0.107 R)
• M4: 1,130,810 km (0.115 R)
• M5: 1,566,888 km (0.103 R)
• M6: 2,112,621 km (0.064 R)
• M7: 2,534,338 km (0.114 R)
• M8: 3,477,552 km (0.108 R)
• M9: 4,306,474 km (0.029 R)
• M10: 4,745,992 km (0.037 R)
• M11: 5,838,954 km (0.089 R)
• M12: 6,838,867 km (0.071 R)
• M13: 7,379,663 km (0.117 R)
• M14: 7,826,661 km (0.119 R)
• M15: 9,904,426 km (0.072 R)
• M16: 10,822,508 km (0.11 R)
• M17: 11,636,770 km (0.058 R)
• M18: 12,616,636 km (0.118 R)
• M19: 13,083,830 km (0.098 R)
• M20: 13,386,915 km (0.089 R)
• M21: 13,739,218 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.4

Radius: 8.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.33 AU - 4.43 AU

Year: 5275 Days

Day: 9.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,574,269 km

• M1: 110,104 km (0.109 R)
• M2: 411,245 km (0.08 R)
• M3: 982,260 km (0.107 R)
• M4: 1,279,062 km (0.043 R)
• M5: 1,937,741 km (0.086 R)
• M6: 3,299,531 km (0.113 R)
• M7: 4,157,923 km (0.103 R)
• M8: 4,506,636 km (0.081 R)
• M9: 5,027,835 km (0.116 R)
• M10: 5,588,677 km (0.117 R)
• M11: 7,591,494 km (0.108 R)
• M12: 8,257,503 km (0.057 R)
• M13: 8,848,116 km (0.103 R)
• M14: 9,466,553 km (0.082 R)
• M15: 10,030,986 km (0.103 R)
• M16: 10,876,214 km (0.076 R)
• M17: 12,138,072 km (0.053 R)
• M18: 14,158,092 km (0.11 R)
• M19: 15,329,743 km (0.084 R)
• M20: 15,939,204 km (0.08 R)
• M21: 16,278,492 km (0.099 R)
• M22: 17,147,656 km (0.11 R)
• M23: 17,623,676 km (0.082 R)
• M24: 19,551,843 km (0.114 R)
• M25: 20,400,811 km (0.086 R)
• M26: 21,002,793 km (0.106 R)
• M27: 22,032,475 km (0.118 R)
• M28: 23,602,954 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395

Radius: 3.6

Gravity: 30.48 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.83 AU - 6.47 AU

Year: 9270 Days

Day: 23.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,574,269 km

• M1: 51,761 km (0.08 R)
• M2: 347,815 km (0.097 R)
• M3: 464,950 km (0.103 R)
• M4: 658,380 km (0.099 R)
• M5: 1,098,647 km (0.047 R)
• M6: 1,321,398 km (0.109 R)
• M7: 1,887,028 km (0.085 R)
• M8: 2,010,895 km (0.054 R)
• M9: 2,292,139 km (0.042 R)
• M10: 2,487,663 km (0.093 R)
• M11: 2,733,153 km (0.11 R)
• M12: 3,057,032 km (0.116 R)
• M13: 3,451,372 km (0.099 R)
• M14: 3,566,712 km (0.101 R)
• M15: 4,003,389 km (0.05 R)
• M16: 5,129,711 km (0.054 R)
• M17: 5,911,509 km (0.09 R)
• M18: 6,279,520 km (0.037 R)
• M19: 7,629,641 km (0.114 R)
• M20: 10,305,797 km (0.097 R)
• M21: 13,039,698 km (0.078 R)
• M22: 14,126,826 km (0.069 R)
• M23: 15,647,339 km (0.039 R)
• M24: 19,369,783 km (0.071 R)
• M25: 19,661,499 km (0.07 R)
• M26: 23,476,095 km (0.105 R)
• M27: 24,735,559 km (0.089 R)
• M28: 26,216,728 km (0.052 R)
• M29: 26,843,393 km (0.049 R)
• M30: 27,940,843 km (0.118 R)
• M31: 28,972,620 km (0.067 R)
• M32: 29,835,650 km (0.12 R)
• M33: 32,939,357 km (0.118 R)
• M34: 35,051,828 km (0.063 R)
• M35: 37,817,145 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.2

Radius: 7.4

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.75 AU - 6.91 AU

Year: 12321 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,574,269 km

• M1: 165,306 km (0.093 R)
• M2: 883,824 km (0.075 R)
• M3: 1,454,989 km (0.106 R)
• M4: 1,774,979 km (0.058 R)
• M5: 2,498,135 km (0.09 R)
• M6: 2,850,288 km (0.119 R)
• M7: 5,196,731 km (0.11 R)
• M8: 5,702,372 km (0.1 R)
• M9: 8,014,257 km (0.076 R)
• M10: 12,289,016 km (0.078 R)
• M11: 15,310,145 km (0.045 R)
• M12: 17,283,640 km (0.062 R)
• M13: 21,557,352 km (0.065 R)
• M14: 30,480,267 km (0.087 R)
• M15: 37,257,649 km (0.108 R)
• M16: 38,875,101 km (0.088 R)
• M17: 40,150,722 km (0.049 R)
• M18: 43,055,015 km (0.108 R)
• M19: 48,542,415 km (0.054 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 18,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit