🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.7

Radius: 14.1

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.24 AU - 1.64 AU

Year: 1116 Days

Day: 9.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,877,176 km

• M1: 202,256 km (0.061 R)
• M2: 730,935 km (0.078 R)
• M3: 1,246,300 km (0.101 R)
• M4: 2,017,926 km (0.083 R)
• M5: 2,462,231 km (0.083 R)
• M6: 4,036,300 km (0.117 R)
• M7: 4,857,144 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.1

Radius: 9.3

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.29 AU - 1.79 AU

Year: 1234 Days

Day: 6.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 146.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,877,176 km

• M1: 115,639 km (0.062 R)
• M2: 462,557 km (0.077 R)
• M3: 816,954 km (0.052 R)
• M4: 1,111,961 km (0.066 R)
• M5: 1,644,230 km (0.047 R)
• M6: 2,565,155 km (0.092 R)
• M7: 3,269,461 km (0.094 R)
• M8: 3,724,538 km (0.084 R)
• M9: 4,865,222 km (0.05 R)
• M10: 6,101,948 km (0.09 R)
• M11: 7,035,588 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 11.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.38 AU - 1.8 AU

Year: 1295 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,877,176 km

• M1: 145,559 km (0.078 R)
• M2: 874,250 km (0.103 R)
• M3: 1,625,830 km (0.075 R)
• M4: 2,138,801 km (0.056 R)
• M5: 3,097,574 km (0.116 R)
• M6: 3,509,267 km (0.107 R)
• M7: 4,120,973 km (0.095 R)
• M8: 4,585,175 km (0.069 R)
• M9: 6,126,182 km (0.104 R)
• M10: 6,571,685 km (0.082 R)
• M11: 7,159,156 km (0.079 R)
• M12: 7,832,645 km (0.105 R)
• M13: 8,198,263 km (0.044 R)
• M14: 8,712,730 km (0.115 R)
• M15: 9,896,348 km (0.08 R)
• M16: 10,386,431 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.7

Radius: 8.6

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.57 AU - 1.89 AU

Year: 1469 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,877,176 km

• M1: 106,962 km (0.077 R)
• M2: 417,079 km (0.05 R)
• M3: 716,275 km (0.116 R)
• M4: 998,416 km (0.106 R)
• M5: 1,444,667 km (0.073 R)
• M6: 2,040,365 km (0.088 R)
• M7: 2,550,793 km (0.067 R)
• M8: 5,399,885 km (0.07 R)
• M9: 5,670,657 km (0.092 R)
• M10: 7,750,666 km (0.109 R)
• M11: 8,479,357 km (0.086 R)
• M12: 8,932,339 km (0.06 R)
• M13: 9,431,248 km (0.097 R)
• M14: 10,645,983 km (0.047 R)
• M15: 10,973,602 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.3

Radius: 14.5

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.72 AU - 2.08 AU

Year: 1691 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,877,176 km

• M1: 180,415 km (0.036 R)
• M2: 705,504 km (0.111 R)
• M3: 1,733,241 km (0.035 R)
• M4: 2,694,258 km (0.12 R)
• M5: 3,866,955 km (0.087 R)
• M6: 4,363,471 km (0.111 R)
• M7: 5,617,101 km (0.107 R)
• M8: 6,186,171 km (0.076 R)
• M9: 7,387,442 km (0.101 R)
• M10: 7,876,178 km (0.098 R)
• M11: 10,052,079 km (0.117 R)
• M12: 10,721,979 km (0.056 R)
• M13: 12,338,384 km (0.108 R)
• M14: 13,502,853 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.9

Radius: 7.8

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.38 AU - 6.56 AU

Year: 10626 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,877,176 km

• M1: 96,939 km (0.034 R)
• M2: 413,937 km (0.097 R)
• M3: 884,123 km (0.05 R)
• M4: 1,720,974 km (0.088 R)
• M5: 2,310,539 km (0.036 R)
• M6: 3,583,318 km (0.051 R)
• M7: 4,484,346 km (0.067 R)
• M8: 5,237,421 km (0.116 R)
• M9: 7,386,096 km (0.117 R)
• M10: 8,216,663 km (0.095 R)
• M11: 8,879,531 km (0.084 R)
• M12: 10,873,072 km (0.117 R)
• M13: 12,394,932 km (0.101 R)
• M14: 17,805,438 km (0.12 R)
• M15: 23,110,926 km (0.115 R)
• M16: 24,160,804 km (0.084 R)
• M17: 25,150,843 km (0.089 R)
• M18: 27,501,025 km (0.086 R)
• M19: 29,483,796 km (0.112 R)
• M20: 31,559,765 km (0.071 R)
• M21: 36,700,846 km (0.072 R)
• M22: 38,978,024 km (0.035 R)
• M23: 39,345,886 km (0.047 R)
• M24: 43,811,681 km (0.102 R)
• M25: 44,877,865 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.1

Radius: 5.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.48 AU - 7.64 AU

Year: 13421 Days

Day: 18 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,877,176 km

• M1: 72,405 km (0.117 R)
• M2: 275,110 km (0.03 R)
• M3: 493,224 km (0.027 R)
• M4: 1,103,733 km (0.084 R)
• M5: 1,450,052 km (0.098 R)
• M6: 3,287,712 km (0.044 R)
• M7: 3,979,453 km (0.056 R)
• M8: 4,491,826 km (0.06 R)
• M9: 4,764,094 km (0.073 R)
• M10: 5,462,417 km (0.099 R)
• M11: 6,094,767 km (0.083 R)
• M12: 6,360,901 km (0.114 R)
• M13: 8,405,755 km (0.105 R)
• M14: 11,643,801 km (0.068 R)
• M15: 11,899,164 km (0.066 R)
• M16: 14,601,949 km (0.119 R)
• M17: 17,354,849 km (0.064 R)
• M18: 18,436,142 km (0.094 R)
• M19: 19,995,251 km (0.088 R)
• M20: 20,583,321 km (0.041 R)
• M21: 21,258,605 km (0.085 R)
• M22: 22,338,253 km (0.111 R)
• M23: 27,291,738 km (0.115 R)
• M24: 31,825,002 km (0.084 R)
• M25: 35,536,825 km (0.095 R)
• M26: 36,074,180 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.1

Radius: 4.9

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.25 AU - 10.53 AU

Year: 17115 Days

Day: 17 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,877,176 km

• M1: 68,067 km (0.076 R)
• M2: 320,738 km (0.033 R)
• M3: 566,527 km (0.105 R)
• M4: 777,311 km (0.114 R)
• M5: 1,319,902 km (0.051 R)
• M6: 1,618,051 km (0.073 R)
• M7: 2,030,342 km (0.117 R)
• M8: 2,368,284 km (0.07 R)
• M9: 2,699,494 km (0.09 R)
• M10: 3,180,152 km (0.067 R)
• M11: 3,402,903 km (0.104 R)
• M12: 4,771,424 km (0.104 R)
• M13: 5,938,437 km (0.114 R)
• M14: 6,747,612 km (0.116 R)
• M15: 9,511,881 km (0.117 R)
• M16: 10,345,441 km (0.106 R)
• M17: 11,919,210 km (0.096 R)
• M18: 12,886,809 km (0.115 R)
• M19: 16,538,493 km (0.093 R)
• M20: 18,205,313 km (0.084 R)
• M21: 20,064,216 km (0.094 R)
• M22: 20,739,351 km (0.032 R)
• M23: 22,134,800 km (0.119 R)
• M24: 25,111,499 km (0.12 R)
• M25: 28,030,303 km (0.098 R)
• M26: 30,610,417 km (0.104 R)
• M27: 32,186,431 km (0.106 R)
• M28: 33,344,617 km (0.057 R)
• M29: 42,930,849 km (0.074 R)
• M30: 51,962,970 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 13,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit