🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.1

Radius: 12.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.95 AU - 1.21 AU

Year: 775 Days

Day: 12 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,025,988 km

• M1: 157,975 km (0.078 R)
• M2: 584,180 km (0.08 R)
• M3: 1,044,044 km (0.118 R)
• M4: 1,775,727 km (0.114 R)
• M5: 2,258,329 km (0.1 R)
• M6: 2,817,825 km (0.116 R)
• M7: 3,480,993 km (0.054 R)
• M8: 4,092,848 km (0.08 R)
• M9: 4,520,100 km (0.119 R)
• M10: 5,008,986 km (0.077 R)
• M11: 5,686,813 km (0.101 R)
• M12: 6,221,027 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.9

Radius: 9.1

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.1 AU - 1.56 AU

Year: 1059 Days

Day: 11.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,025,988 km

• M1: 113,246 km (0.097 R)
• M2: 416,181 km (0.102 R)
• M3: 722,109 km (0.114 R)
• M4: 1,051,823 km (0.071 R)
• M5: 1,380,788 km (0.089 R)
• M6: 1,955,543 km (0.107 R)
• M7: 2,252,944 km (0.105 R)
• M8: 2,569,643 km (0.12 R)
• M9: 3,101,164 km (0.055 R)
• M10: 3,454,215 km (0.108 R)
• M11: 3,833,894 km (0.12 R)
• M12: 4,194,724 km (0.027 R)
• M13: 4,727,891 km (0.108 R)
• M14: 5,323,739 km (0.038 R)
• M15: 5,968,805 km (0.111 R)
• M16: 6,269,647 km (0.066 R)
• M17: 7,437,408 km (0.049 R)
• M18: 8,000,494 km (0.065 R)
• M19: 8,292,659 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.9

Radius: 14.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.17 AU - 1.69 AU

Year: 1180 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,025,988 km

• M1: 182,809 km (0.113 R)
• M2: 901,477 km (0.083 R)
• M3: 1,610,271 km (0.117 R)
• M4: 2,505,016 km (0.046 R)
• M5: 3,018,287 km (0.102 R)
• M6: 4,174,828 km (0.078 R)
• M7: 4,732,379 km (0.119 R)
• M8: 5,954,294 km (0.07 R)
• M9: 6,639,752 km (0.109 R)
• M10: 7,275,992 km (0.09 R)
• M11: 7,872,588 km (0.029 R)
• M12: 9,193,836 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.7

Radius: 10

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2 AU - 2.18 AU

Year: 2086 Days

Day: 14.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,025,988 km

• M1: 124,316 km (0.107 R)
• M2: 468,241 km (0.061 R)
• M3: 941,868 km (0.101 R)
• M4: 1,464,414 km (0.098 R)
• M5: 1,842,896 km (0.057 R)
• M6: 2,197,443 km (0.112 R)
• M7: 2,611,829 km (0.099 R)
• M8: 3,323,167 km (0.061 R)
• M9: 4,297,199 km (0.063 R)
• M10: 5,357,549 km (0.052 R)
• M11: 6,164,479 km (0.044 R)
• M12: 6,557,174 km (0.03 R)
• M13: 8,329,310 km (0.113 R)
• M14: 9,107,070 km (0.099 R)
• M15: 10,110,722 km (0.049 R)
• M16: 10,807,249 km (0.111 R)
• M17: 13,260,804 km (0.115 R)
• M18: 13,651,853 km (0.102 R)
• M19: 14,411,361 km (0.096 R)
• M20: 14,824,850 km (0.058 R)
• M21: 15,151,871 km (0.077 R)
• M22: 16,359,275 km (0.118 R)
• M23: 16,859,830 km (0.085 R)

Asteroid Belt

Center: 2.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.1

Radius: 14.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.78 AU - 2.96 AU

Year: 3356 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,025,988 km

• M1: 197,469 km (0.102 R)
• M2: 707,897 km (0.117 R)
• M3: 1,646,325 km (0.086 R)
• M4: 2,223,922 km (0.107 R)
• M5: 4,748,685 km (0.096 R)
• M6: 5,254,775 km (0.07 R)
• M7: 5,995,434 km (0.101 R)
• M8: 9,836,509 km (0.102 R)
• M9: 11,138,160 km (0.081 R)
• M10: 14,030,635 km (0.072 R)
• M11: 16,236,156 km (0.11 R)
• M12: 17,629,810 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.1

Radius: 9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.24 AU - 4.54 AU

Year: 5296 Days

Day: 5.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,025,988 km

• M1: 111,899 km (0.083 R)
• M2: 436,227 km (0.038 R)
• M3: 729,589 km (0.113 R)
• M4: 1,330,523 km (0.114 R)
• M5: 1,782,159 km (0.094 R)
• M6: 2,873,476 km (0.059 R)
• M7: 5,153,946 km (0.105 R)
• M8: 5,680,530 km (0.102 R)
• M9: 6,330,084 km (0.062 R)
• M10: 6,657,704 km (0.113 R)
• M11: 8,014,856 km (0.094 R)
• M12: 9,470,443 km (0.068 R)
• M13: 11,266,664 km (0.06 R)
• M14: 14,268,944 km (0.115 R)
• M15: 16,172,876 km (0.074 R)
• M16: 18,844,694 km (0.108 R)
• M17: 20,029,509 km (0.098 R)
• M18: 21,462,507 km (0.102 R)
• M19: 23,525,013 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 9.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.92 AU - 5.4 AU

Year: 6944 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,025,988 km

• M1: 121,922 km (0.09 R)
• M2: 492,327 km (0.078 R)
• M3: 1,005,298 km (0.118 R)
• M4: 1,778,569 km (0.118 R)
• M5: 2,587,894 km (0.037 R)
• M6: 9,287,335 km (0.115 R)
• M7: 10,751,300 km (0.115 R)
• M8: 11,991,915 km (0.113 R)
• M9: 13,573,613 km (0.025 R)
• M10: 15,893,128 km (0.095 R)
• M11: 18,403,530 km (0.096 R)
• M12: 24,789,863 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.4

Radius: 5.4

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.63 AU - 10.43 AU

Year: 21926 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,025,988 km

• M1: 67,319 km (0.079 R)
• M2: 255,962 km (0.048 R)
• M3: 432,936 km (0.084 R)
• M4: 818,450 km (0.028 R)
• M5: 1,675,795 km (0.052 R)
• M6: 3,222,039 km (0.065 R)
• M7: 3,517,644 km (0.108 R)
• M8: 3,715,114 km (0.115 R)
• M9: 5,609,471 km (0.101 R)
• M10: 5,840,450 km (0.081 R)
• M11: 9,288,083 km (0.114 R)
• M12: 9,666,266 km (0.095 R)
• M13: 9,942,574 km (0.077 R)
• M14: 10,862,451 km (0.111 R)
• M15: 13,751,934 km (0.102 R)
• M16: 14,746,012 km (0.041 R)
• M17: 16,093,141 km (0.107 R)
• M18: 18,181,078 km (0.094 R)
• M19: 20,715,416 km (0.078 R)
• M20: 23,975,004 km (0.115 R)
• M21: 24,995,111 km (0.038 R)
• M22: 29,135,980 km (0.094 R)
• M23: 34,092,008 km (0.084 R)
• M24: 37,238,949 km (0.082 R)
• M25: 38,192,037 km (0.098 R)
• M26: 41,438,012 km (0.11 R)
• M27: 42,608,765 km (0.1 R)
• M28: 45,941,955 km (0.062 R)
• M29: 48,795,085 km (0.107 R)
• M30: 50,595,645 km (0.097 R)
• M31: 54,328,711 km (0.111 R)
• M32: 56,618,605 km (0.094 R)
• M33: 66,025,918 km (0.083 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: 312 - 11,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit