🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.6

Radius: 8.3

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.52 AU - 0.58 AU

Year: 272 Days

Day: 6.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,611,011 km

• M1: 103,223 km (0.075 R)
• M2: 362,775 km (0.072 R)
• M3: 686,505 km (0.077 R)
• M4: 1,002,605 km (0.1 R)
• M5: 1,489,696 km (0.049 R)
• M6: 1,791,584 km (0.111 R)
• M7: 3,192,269 km (0.08 R)
• M8: 3,517,644 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 13

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.5 AU - 0.64 AU

Year: 287 Days

Day: 5.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 65,611,011 km

• M1: 166,502 km (0.094 R)
• M2: 617,690 km (0.082 R)
• M3: 1,204,412 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.1

Radius: 8

Gravity: 15.22 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.41 AU - 2.09 AU

Year: 1544 Days

Day: 10.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,611,011 km

• M1: 99,632 km (0.076 R)
• M2: 349,012 km (0.063 R)
• M3: 663,467 km (0.047 R)
• M4: 1,071,121 km (0.079 R)
• M5: 1,494,632 km (0.115 R)
• M6: 1,923,829 km (0.106 R)
• M7: 2,304,256 km (0.108 R)
• M8: 2,594,476 km (0.071 R)
• M9: 4,273,712 km (0.05 R)
• M10: 4,611,504 km (0.102 R)
• M11: 5,206,754 km (0.102 R)
• M12: 6,045,998 km (0.066 R)
• M13: 6,370,326 km (0.12 R)
• M14: 7,081,066 km (0.085 R)
• M15: 7,498,144 km (0.114 R)
• M16: 8,320,634 km (0.118 R)
• M17: 8,816,850 km (0.076 R)
• M18: 9,868,373 km (0.098 R)
• M19: 11,223,131 km (0.1 R)
• M20: 11,637,368 km (0.108 R)
• M21: 12,061,777 km (0.063 R)
• M22: 12,337,187 km (0.087 R)
• M23: 13,523,348 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.2

Radius: 8.5

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.23 AU - 2.95 AU

Year: 2780 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,611,011 km

• M1: 105,766 km (0.074 R)
• M2: 378,483 km (0.118 R)
• M3: 725,101 km (0.103 R)
• M4: 1,312,871 km (0.113 R)
• M5: 1,776,325 km (0.115 R)
• M6: 2,244,866 km (0.051 R)
• M7: 2,539,573 km (0.045 R)
• M8: 2,961,589 km (0.056 R)
• M9: 3,244,030 km (0.111 R)
• M10: 4,158,372 km (0.089 R)
• M11: 4,559,743 km (0.066 R)
• M12: 6,059,013 km (0.1 R)
• M13: 8,546,975 km (0.055 R)
• M14: 11,516,642 km (0.079 R)
• M15: 12,627,407 km (0.036 R)
• M16: 14,350,026 km (0.114 R)
• M17: 17,789,880 km (0.116 R)
• M18: 18,550,286 km (0.082 R)
• M19: 18,968,561 km (0.078 R)
• M20: 19,331,934 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.4

Radius: 9.4

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.88 AU - 4.58 AU

Year: 4804 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,611,011 km

• M1: 117,584 km (0.109 R)
• M2: 434,133 km (0.098 R)
• M3: 825,182 km (0.054 R)
• M4: 1,253,630 km (0.067 R)
• M5: 1,656,497 km (0.094 R)
• M6: 2,349,285 km (0.117 R)
• M7: 2,987,170 km (0.039 R)
• M8: 4,631,251 km (0.076 R)
• M9: 5,370,115 km (0.118 R)
• M10: 5,692,947 km (0.105 R)
• M11: 6,185,573 km (0.114 R)
• M12: 7,578,479 km (0.077 R)
• M13: 8,251,819 km (0.106 R)
• M14: 8,722,603 km (0.082 R)
• M15: 9,211,190 km (0.1 R)
• M16: 12,031,708 km (0.091 R)
• M17: 12,688,742 km (0.108 R)
• M18: 14,019,415 km (0.082 R)
• M19: 14,861,202 km (0.106 R)
• M20: 16,460,852 km (0.071 R)
• M21: 17,334,055 km (0.086 R)
• M22: 17,976,428 km (0.088 R)
• M23: 18,568,088 km (0.095 R)
• M24: 20,350,247 km (0.069 R)
• M25: 23,155,955 km (0.069 R)
• M26: 23,777,983 km (0.104 R)
• M27: 25,793,366 km (0.094 R)
• M28: 30,623,731 km (0.111 R)
• M29: 31,752,298 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.8

Radius: 12.1

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.2 AU - 4.8 AU

Year: 5335 Days

Day: 7 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,611,011 km

• M1: 150,495 km (0.098 R)
• M2: 635,791 km (0.029 R)
• M3: 1,022,651 km (0.08 R)
• M4: 1,430,754 km (0.032 R)
• M5: 2,945,732 km (0.1 R)
• M6: 3,984,838 km (0.062 R)
• M7: 4,886,315 km (0.113 R)
• M8: 5,825,042 km (0.062 R)
• M9: 6,403,836 km (0.081 R)
• M10: 6,810,892 km (0.097 R)
• M11: 7,235,151 km (0.095 R)
• M12: 9,367,819 km (0.103 R)
• M13: 10,625,189 km (0.073 R)
• M14: 12,983,898 km (0.11 R)
• M15: 13,861,140 km (0.091 R)
• M16: 15,071,985 km (0.038 R)
• M17: 17,375,045 km (0.099 R)
• M18: 21,367,961 km (0.114 R)
• M19: 22,435,043 km (0.081 R)
• M20: 23,778,133 km (0.061 R)
• M21: 24,510,414 km (0.04 R)
• M22: 26,885,430 km (0.097 R)
• M23: 30,634,203 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.4

Radius: 7.7

Gravity: 14.43 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.9 AU - 8.6 AU

Year: 15802 Days

Day: 20.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,611,011 km

• M1: 95,743 km (0.07 R)
• M2: 371,601 km (0.111 R)
• M3: 1,015,022 km (0.112 R)
• M4: 1,367,923 km (0.103 R)
• M5: 1,927,868 km (0.1 R)
• M6: 2,199,238 km (0.111 R)
• M7: 2,631,726 km (0.067 R)
• M8: 3,042,970 km (0.082 R)
• M9: 3,637,921 km (0.115 R)
• M10: 5,464,062 km (0.11 R)
• M11: 5,891,763 km (0.111 R)
• M12: 11,230,312 km (0.107 R)
• M13: 11,922,053 km (0.035 R)
• M14: 13,881,785 km (0.115 R)
• M15: 14,168,115 km (0.1 R)
• M16: 14,604,791 km (0.119 R)
• M17: 15,352,481 km (0.119 R)
• M18: 15,968,825 km (0.089 R)
• M19: 17,415,885 km (0.093 R)
• M20: 18,342,045 km (0.078 R)
• M21: 18,860,851 km (0.105 R)
• M22: 21,222,852 km (0.046 R)
• M23: 28,090,441 km (0.079 R)
• M24: 35,766,607 km (0.089 R)
• M25: 37,536,200 km (0.115 R)
• M26: 38,794,917 km (0.069 R)
• M27: 46,145,857 km (0.095 R)
• M28: 46,783,892 km (0.087 R)
• M29: 48,733,451 km (0.059 R)
• M30: 54,906,458 km (0.108 R)
• M31: 56,345,589 km (0.045 R)
• M32: 59,111,504 km (0.1 R)
• M33: 61,580,767 km (0.098 R)
• M34: 63,329,865 km (0.117 R)
• M35: 68,156,042 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.2

Radius: 6.7

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.88 AU - 11.5 AU

Year: 20115 Days

Day: 19.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,611,011 km

• M1: 83,326 km (0.1 R)
• M2: 313,408 km (0.056 R)
• M3: 690,245 km (0.048 R)
• M4: 1,119,590 km (0.082 R)
• M5: 1,344,586 km (0.057 R)
• M6: 5,078,100 km (0.054 R)
• M7: 5,329,723 km (0.082 R)
• M8: 5,935,894 km (0.096 R)
• M9: 8,079,332 km (0.093 R)
• M10: 14,666,126 km (0.097 R)
• M11: 15,474,853 km (0.108 R)
• M12: 16,940,912 km (0.053 R)
• M13: 20,687,291 km (0.079 R)
• M14: 23,536,383 km (0.069 R)
• M15: 25,261,695 km (0.064 R)
• M16: 32,391,081 km (0.114 R)
• M17: 43,084,935 km (0.095 R)
• M18: 43,681,381 km (0.05 R)
• M19: 44,891,030 km (0.118 R)
• M20: 59,703,912 km (0.067 R)
• M21: 62,515,753 km (0.053 R)
• M22: 64,633,012 km (0.054 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 19,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit