🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 14.9

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.58 AU - 0.7 AU

Year: 353 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,591,980 km

• M1: 185,352 km (0.032 R)
• M2: 661,073 km (0.098 R)
• M3: 1,161,478 km (0.087 R)
• M4: 1,709,904 km (0.101 R)
• M5: 2,326,546 km (0.098 R)
• M6: 3,090,393 km (0.1 R)
• M7: 3,828,060 km (0.109 R)
• M8: 4,360,628 km (0.087 R)
• M9: 4,839,790 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.5

Radius: 8.7

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.75 AU - 1.07 AU

Year: 599 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,591,980 km

• M1: 108,159 km (0.111 R)
• M2: 406,757 km (0.108 R)
• M3: 703,260 km (0.114 R)
• M4: 1,037,760 km (0.09 R)
• M5: 1,349,373 km (0.082 R)
• M6: 1,646,773 km (0.069 R)
• M7: 1,962,275 km (0.102 R)
• M8: 2,506,812 km (0.077 R)
• M9: 3,508,968 km (0.105 R)
• M10: 3,938,164 km (0.119 R)
• M11: 4,983,105 km (0.047 R)
• M12: 5,283,797 km (0.046 R)
• M13: 6,108,081 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.6

Radius: 10.6

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.9 AU - 2.58 AU

Year: 2314 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,591,980 km

• M1: 133,591 km (0.107 R)
• M2: 725,250 km (0.116 R)
• M3: 1,108,520 km (0.039 R)
• M4: 1,455,138 km (0.043 R)
• M5: 1,983,668 km (0.115 R)
• M6: 2,446,972 km (0.099 R)
• M7: 2,916,710 km (0.093 R)
• M8: 3,630,292 km (0.08 R)
• M9: 4,391,894 km (0.105 R)
• M10: 5,911,210 km (0.114 R)
• M11: 6,935,507 km (0.094 R)
• M12: 7,629,491 km (0.116 R)
• M13: 8,502,395 km (0.096 R)
• M14: 8,876,689 km (0.103 R)
• M15: 9,368,866 km (0.04 R)
• M16: 10,876,364 km (0.114 R)
• M17: 11,981,293 km (0.053 R)
• M18: 12,539,443 km (0.059 R)
• M19: 14,128,322 km (0.098 R)
• M20: 15,242,976 km (0.094 R)
• M21: 17,211,684 km (0.098 R)
• M22: 19,461,187 km (0.035 R)
• M23: 19,993,157 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 12.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.72 AU - 2.78 AU

Year: 3148 Days

Day: 6.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,591,980 km

• M1: 166,802 km (0.116 R)
• M2: 828,772 km (0.028 R)
• M3: 1,269,338 km (0.106 R)
• M4: 2,132,069 km (0.113 R)
• M5: 2,550,494 km (0.078 R)
• M6: 3,247,770 km (0.081 R)
• M7: 4,007,278 km (0.086 R)
• M8: 4,584,576 km (0.092 R)
• M9: 5,340,345 km (0.037 R)
• M10: 5,880,393 km (0.044 R)
• M11: 6,628,233 km (0.091 R)
• M12: 7,222,286 km (0.079 R)
• M13: 7,981,794 km (0.066 R)
• M14: 9,772,631 km (0.088 R)
• M15: 11,395,917 km (0.068 R)
• M16: 12,206,289 km (0.107 R)
• M17: 14,134,156 km (0.076 R)
• M18: 16,099,124 km (0.118 R)
• M19: 16,901,268 km (0.082 R)
• M20: 19,889,934 km (0.119 R)
• M21: 20,564,621 km (0.078 R)
• M22: 21,064,727 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.3

Radius: 12.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.25 AU - 3.69 AU

Year: 3533 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,591,980 km

• M1: 150,495 km (0.097 R)
• M2: 731,085 km (0.064 R)
• M3: 1,160,580 km (0.067 R)
• M4: 1,580,651 km (0.051 R)
• M5: 1,971,999 km (0.098 R)
• M6: 2,612,278 km (0.103 R)
• M7: 4,606,268 km (0.061 R)
• M8: 5,088,422 km (0.112 R)
• M9: 5,472,141 km (0.099 R)
• M10: 6,326,793 km (0.099 R)
• M11: 7,205,082 km (0.12 R)
• M12: 8,059,884 km (0.081 R)
• M13: 8,654,686 km (0.04 R)
• M14: 9,391,605 km (0.089 R)
• M15: 12,579,087 km (0.083 R)
• M16: 14,928,372 km (0.101 R)
• M17: 16,042,876 km (0.073 R)
• M18: 16,537,147 km (0.114 R)
• M19: 19,347,343 km (0.11 R)
• M20: 21,257,259 km (0.116 R)
• M21: 22,666,920 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.9

Radius: 9.6

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.72 AU - 4.34 AU

Year: 5584 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,591,980 km

• M1: 134,488 km (0.107 R)
• M2: 506,838 km (0.059 R)
• M3: 981,960 km (0.07 R)
• M4: 1,778,719 km (0.06 R)
• M5: 2,711,611 km (0.114 R)
• M6: 3,724,538 km (0.118 R)
• M7: 4,472,228 km (0.098 R)
• M8: 6,024,456 km (0.073 R)
• M9: 7,421,102 km (0.112 R)
• M10: 10,028,592 km (0.098 R)
• M11: 11,606,700 km (0.114 R)
• M12: 15,248,062 km (0.119 R)
• M13: 16,967,839 km (0.07 R)
• M14: 24,231,115 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.4

Radius: 4.8

Gravity: 24.67 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.99 AU - 9.81 AU

Year: 16805 Days

Day: 15.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,591,980 km

• M1: 109,206 km (0.069 R)
• M2: 292,015 km (0.107 R)
• M3: 443,109 km (0.114 R)
• M4: 623,823 km (0.056 R)
• M5: 1,065,586 km (0.078 R)
• M6: 1,243,458 km (0.086 R)
• M7: 1,426,266 km (0.1 R)
• M8: 2,717,296 km (0.101 R)
• M9: 5,627,124 km (0.076 R)
• M10: 7,727,628 km (0.06 R)
• M11: 7,915,523 km (0.062 R)
• M12: 11,170,323 km (0.074 R)
• M13: 11,350,140 km (0.113 R)
• M14: 13,730,093 km (0.084 R)
• M15: 16,423,004 km (0.12 R)
• M16: 22,158,437 km (0.116 R)
• M17: 23,212,054 km (0.067 R)
• M18: 24,499,793 km (0.116 R)
• M19: 25,315,550 km (0.058 R)
• M20: 32,748,470 km (0.087 R)
• M21: 33,737,761 km (0.117 R)
• M22: 35,775,732 km (0.084 R)
• M23: 36,824,713 km (0.043 R)
• M24: 45,507,523 km (0.075 R)
• M25: 47,991,595 km (0.09 R)
• M26: 54,079,181 km (0.099 R)
• M27: 60,477,034 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.6

Radius: 7.2

Gravity: 16.25 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.33 AU - 12.23 AU

Year: 22751 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,591,980 km

• M1: 89,609 km (0.068 R)
• M2: 349,012 km (0.081 R)
• M3: 1,169,407 km (0.079 R)
• M4: 1,722,470 km (0.103 R)
• M5: 3,108,195 km (0.079 R)
• M6: 3,639,716 km (0.069 R)
• M7: 4,127,704 km (0.071 R)
• M8: 5,855,261 km (0.109 R)
• M9: 8,449,587 km (0.081 R)
• M10: 9,362,882 km (0.05 R)
• M11: 12,640,721 km (0.117 R)
• M12: 16,612,245 km (0.109 R)
• M13: 22,921,535 km (0.102 R)
• M14: 23,793,990 km (0.119 R)
• M15: 25,143,961 km (0.067 R)
• M16: 25,605,022 km (0.029 R)
• M17: 26,189,351 km (0.051 R)
• M18: 30,012,175 km (0.115 R)
• M19: 31,720,433 km (0.091 R)
• M20: 33,910,546 km (0.081 R)
• M21: 38,437,228 km (0.077 R)
• M22: 43,350,621 km (0.055 R)
• M23: 48,666,731 km (0.097 R)
• M24: 51,388,514 km (0.074 R)
• M25: 56,147,222 km (0.116 R)
• M26: 60,364,835 km (0.1 R)
• M27: 62,867,308 km (0.1 R)
• M28: 63,930,201 km (0.033 R)
• M29: 68,301,301 km (0.036 R)
• M30: 72,634,553 km (0.065 R)
• M31: 73,335,120 km (0.101 R)
• M32: 76,182,416 km (0.072 R)
• M33: 79,843,974 km (0.071 R)
• M34: 81,090,124 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.2

Radius: 6.8

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.79 AU - 12.98 AU

Year: 23084 Days

Day: 22.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,591,980 km

• M1: 86,617 km (0.062 R)
• M2: 405,560 km (0.097 R)
• M3: 877,691 km (0.089 R)
• M4: 1,250,339 km (0.109 R)
• M5: 1,473,838 km (0.07 R)
• M6: 2,334,026 km (0.065 R)
• M7: 2,798,079 km (0.113 R)
• M8: 3,349,796 km (0.114 R)
• M9: 4,427,199 km (0.092 R)
• M10: 4,916,983 km (0.112 R)
• M11: 7,824,268 km (0.104 R)
• M12: 8,859,635 km (0.086 R)
• M13: 11,010,702 km (0.099 R)
• M14: 11,842,616 km (0.098 R)
• M15: 12,106,806 km (0.081 R)
• M16: 12,647,154 km (0.064 R)
• M17: 13,132,898 km (0.069 R)
• M18: 13,921,279 km (0.069 R)
• M19: 14,514,285 km (0.069 R)
• M20: 16,312,750 km (0.073 R)
• M21: 16,640,070 km (0.052 R)
• M22: 17,562,640 km (0.117 R)
• M23: 19,785,814 km (0.094 R)
• M24: 21,012,816 km (0.119 R)
• M25: 21,694,085 km (0.107 R)
• M26: 22,896,253 km (0.116 R)
• M27: 24,567,262 km (0.101 R)
• M28: 25,214,422 km (0.112 R)
• M29: 26,206,256 km (0.071 R)
• M30: 26,430,204 km (0.076 R)
• M31: 27,684,432 km (0.119 R)
• M32: 32,839,575 km (0.069 R)
• M33: 49,293,845 km (0.103 R)
• M34: 51,365,476 km (0.11 R)
• M35: 64,008,441 km (0.118 R)
• M36: 71,151,590 km (0.069 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 14,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit