🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.6

Radius: 12.2

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.57 AU - 0.81 AU

Year: 370 Days

Day: 13.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,943,432 km

• M1: 151,842 km (0.111 R)
• M2: 575,952 km (0.11 R)
• M3: 965,205 km (0.088 R)
• M4: 1,365,230 km (0.07 R)
• M5: 1,970,802 km (0.055 R)
• M6: 2,482,277 km (0.037 R)
• M7: 3,939,062 km (0.05 R)
• M8: 4,431,388 km (0.085 R)
• M9: 5,131,207 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.2

Radius: 9.8

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1 AU - 1.08 AU

Year: 685 Days

Day: 5.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,943,432 km

• M1: 122,072 km (0.1 R)
• M2: 572,810 km (0.106 R)
• M3: 1,176,737 km (0.11 R)
• M4: 1,484,908 km (0.073 R)
• M5: 1,898,397 km (0.102 R)
• M6: 2,647,284 km (0.063 R)
• M7: 3,066,158 km (0.119 R)
• M8: 3,502,834 km (0.073 R)
• M9: 3,952,226 km (0.09 R)
• M10: 4,579,490 km (0.111 R)
• M11: 4,983,404 km (0.111 R)
• M12: 6,578,566 km (0.107 R)
• M13: 6,988,764 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.3

Radius: 10.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.01 AU - 1.49 AU

Year: 902 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,943,432 km

• M1: 130,599 km (0.105 R)
• M2: 532,419 km (0.026 R)
• M3: 1,115,701 km (0.052 R)
• M4: 1,721,572 km (0.11 R)
• M5: 2,439,193 km (0.069 R)
• M6: 2,770,852 km (0.107 R)
• M7: 3,485,780 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.7

Radius: 11.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.1 AU - 2.36 AU

Year: 2150 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,943,432 km

• M1: 146,905 km (0.112 R)
• M2: 573,409 km (0.1 R)
• M3: 1,426,565 km (0.081 R)
• M4: 2,158,697 km (0.105 R)
• M5: 3,143,051 km (0.096 R)
• M6: 6,361,649 km (0.102 R)
• M7: 7,430,526 km (0.034 R)
• M8: 8,425,202 km (0.117 R)
• M9: 11,433,765 km (0.102 R)
• M10: 12,143,906 km (0.118 R)
• M11: 13,264,095 km (0.12 R)
• M12: 13,739,667 km (0.103 R)
• M13: 15,048,499 km (0.095 R)
• M14: 15,949,826 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.3

Radius: 7.9

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.88 AU - 10.34 AU

Year: 17754 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,943,432 km

• M1: 102,774 km (0.057 R)
• M2: 352,901 km (0.107 R)
• M3: 695,780 km (0.059 R)
• M4: 1,122,882 km (0.073 R)
• M5: 1,769,892 km (0.053 R)
• M6: 3,600,372 km (0.095 R)
• M7: 3,996,956 km (0.099 R)
• M8: 4,699,318 km (0.105 R)
• M9: 5,841,647 km (0.057 R)
• M10: 6,699,741 km (0.055 R)
• M11: 7,206,129 km (0.095 R)
• M12: 10,734,545 km (0.117 R)
• M13: 11,622,259 km (0.079 R)
• M14: 12,084,067 km (0.043 R)
• M15: 12,557,993 km (0.056 R)
• M16: 13,185,556 km (0.113 R)
• M17: 17,655,092 km (0.05 R)
• M18: 19,252,947 km (0.091 R)
• M19: 19,899,509 km (0.077 R)
• M20: 21,530,126 km (0.037 R)
• M21: 23,770,204 km (0.112 R)
• M22: 25,493,721 km (0.074 R)
• M23: 29,551,414 km (0.085 R)
• M24: 31,036,173 km (0.119 R)
• M25: 31,669,271 km (0.071 R)
• M26: 32,440,298 km (0.097 R)
• M27: 36,765,173 km (0.115 R)
• M28: 44,748,164 km (0.058 R)
• M29: 45,881,817 km (0.066 R)
• M30: 52,372,569 km (0.095 R)
• M31: 58,483,941 km (0.103 R)
• M32: 66,927,544 km (0.049 R)
• M33: 71,219,357 km (0.099 R)
• M34: 75,008,821 km (0.119 R)

Asteroid Belt

Center: 9.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.3

Radius: 3.9

Gravity: 23.23 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.19 AU - 10.63 AU

Year: 20143 Days

Day: 21.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,943,432 km

• M1: 78,688 km (0.116 R)
• M2: 2,250,102 km (0.115 R)
• M3: 2,697,698 km (0.102 R)
• M4: 2,835,927 km (0.12 R)
• M5: 3,027,562 km (0.077 R)
• M6: 4,718,167 km (0.077 R)
• M7: 5,705,812 km (0.101 R)
• M8: 5,934,099 km (0.026 R)
• M9: 11,453,662 km (0.07 R)
• M10: 14,648,923 km (0.11 R)
• M11: 15,005,115 km (0.118 R)
• M12: 18,722,473 km (0.076 R)
• M13: 21,151,493 km (0.119 R)
• M14: 31,297,221 km (0.054 R)
• M15: 31,887,534 km (0.071 R)
• M16: 35,458,585 km (0.079 R)
• M17: 39,014,526 km (0.111 R)
• M18: 39,423,826 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.7

Radius: 5.9

Gravity: 19.7 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.36 AU - 11.84 AU

Year: 20725 Days

Day: 23.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,943,432 km

• M1: 81,531 km (0.104 R)
• M2: 455,974 km (0.099 R)
• M3: 696,378 km (0.053 R)
• M4: 936,931 km (0.095 R)
• M5: 1,379,891 km (0.107 R)
• M6: 1,728,454 km (0.043 R)
• M7: 2,796,134 km (0.047 R)
• M8: 3,326,907 km (0.101 R)
• M9: 4,621,826 km (0.092 R)
• M10: 5,323,291 km (0.08 R)
• M11: 5,519,114 km (0.112 R)
• M12: 6,438,992 km (0.109 R)
• M13: 7,456,855 km (0.108 R)
• M14: 12,131,939 km (0.084 R)
• M15: 13,602,635 km (0.12 R)
• M16: 13,969,599 km (0.032 R)
• M17: 14,192,948 km (0.103 R)
• M18: 14,494,388 km (0.114 R)
• M19: 15,663,047 km (0.053 R)
• M20: 16,476,261 km (0.055 R)
• M21: 17,146,908 km (0.106 R)
• M22: 18,452,897 km (0.086 R)
• M23: 19,359,760 km (0.113 R)
• M24: 20,486,531 km (0.117 R)
• M25: 21,066,073 km (0.072 R)
• M26: 22,767,450 km (0.091 R)
• M27: 23,704,231 km (0.083 R)
• M28: 27,475,594 km (0.116 R)
• M29: 29,625,315 km (0.107 R)
• M30: 31,500,375 km (0.116 R)
• M31: 32,272,150 km (0.062 R)
• M32: 40,092,529 km (0.084 R)
• M33: 41,456,712 km (0.086 R)
• M34: 46,062,680 km (0.034 R)
• M35: 47,895,254 km (0.097 R)
• M36: 53,320,720 km (0.117 R)
• M37: 74,718,452 km (0.045 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 19,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit