🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.7

Radius: 14.1

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.59 AU - 0.73 AU

Year: 364 Days

Day: 9.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,940,365 km

• M1: 175,628 km (0.087 R)
• M2: 830,418 km (0.094 R)
• M3: 1,375,852 km (0.077 R)
• M4: 1,823,000 km (0.066 R)
• M5: 2,284,659 km (0.109 R)
• M6: 2,748,562 km (0.106 R)
• M7: 3,407,092 km (0.071 R)
• M8: 3,858,877 km (0.044 R)
• M9: 4,985,050 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.5

Radius: 12.6

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.91 AU - 2.47 AU

Year: 2198 Days

Day: 9.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,940,365 km

• M1: 156,928 km (0.06 R)
• M2: 620,532 km (0.029 R)
• M3: 1,220,419 km (0.095 R)
• M4: 1,633,908 km (0.109 R)
• M5: 2,056,821 km (0.053 R)
• M6: 2,771,450 km (0.092 R)
• M7: 3,296,239 km (0.105 R)
• M8: 7,449,525 km (0.1 R)
• M9: 7,871,990 km (0.108 R)
• M10: 8,310,311 km (0.118 R)
• M11: 9,795,519 km (0.119 R)
• M12: 11,811,500 km (0.112 R)
• M13: 14,504,860 km (0.067 R)
• M14: 14,927,324 km (0.045 R)
• M15: 15,698,651 km (0.069 R)
• M16: 16,294,499 km (0.03 R)
• M17: 17,957,280 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 9.9

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.09 AU - 3.01 AU

Year: 2762 Days

Day: 9.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,940,365 km

• M1: 123,119 km (0.048 R)
• M2: 531,222 km (0.09 R)
• M3: 842,236 km (0.094 R)
• M4: 1,755,531 km (0.105 R)
• M5: 2,726,870 km (0.096 R)
• M6: 3,089,944 km (0.065 R)
• M7: 3,738,750 km (0.071 R)
• M8: 4,378,730 km (0.108 R)
• M9: 5,132,853 km (0.108 R)
• M10: 5,666,917 km (0.114 R)
• M11: 6,262,017 km (0.05 R)
• M12: 7,521,332 km (0.086 R)
• M13: 10,745,316 km (0.045 R)
• M14: 11,176,906 km (0.115 R)
• M15: 13,510,782 km (0.091 R)
• M16: 13,886,871 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.2

Radius: 8.4

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.08 AU - 3.88 AU

Year: 4403 Days

Day: 13.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,940,365 km

• M1: 104,419 km (0.058 R)
• M2: 539,899 km (0.104 R)
• M3: 824,434 km (0.119 R)
• M4: 2,186,074 km (0.11 R)
• M5: 2,560,218 km (0.038 R)
• M6: 4,352,999 km (0.04 R)
• M7: 4,631,101 km (0.069 R)
• M8: 5,895,054 km (0.106 R)
• M9: 6,331,580 km (0.037 R)
• M10: 6,656,357 km (0.095 R)
• M11: 6,992,354 km (0.109 R)
• M12: 7,553,346 km (0.12 R)
• M13: 8,106,260 km (0.047 R)
• M14: 8,646,458 km (0.096 R)
• M15: 8,925,458 km (0.096 R)
• M16: 9,251,581 km (0.106 R)
• M17: 10,366,983 km (0.11 R)
• M18: 15,266,014 km (0.086 R)
• M19: 16,573,350 km (0.057 R)
• M20: 18,672,058 km (0.086 R)
• M21: 19,273,741 km (0.059 R)
• M22: 20,375,529 km (0.046 R)
• M23: 20,657,372 km (0.087 R)
• M24: 21,445,902 km (0.065 R)
• M25: 24,167,237 km (0.095 R)
• M26: 25,447,495 km (0.109 R)
• M27: 28,404,746 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.5

Radius: 14.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.57 AU - 3.65 AU

Year: 4652 Days

Day: 12.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,940,365 km

• M1: 180,265 km (0.099 R)
• M2: 754,272 km (0.102 R)
• M3: 1,286,242 km (0.064 R)
• M4: 1,775,577 km (0.1 R)
• M5: 3,992,019 km (0.073 R)
• M6: 6,068,737 km (0.087 R)
• M7: 6,899,603 km (0.115 R)
• M8: 7,660,907 km (0.1 R)
• M9: 9,067,426 km (0.093 R)
• M10: 12,437,417 km (0.093 R)
• M11: 14,374,859 km (0.101 R)
• M12: 15,676,510 km (0.083 R)
• M13: 25,833,009 km (0.106 R)
• M14: 26,907,421 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.4

Radius: 14.9

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.69 AU - 5.09 AU

Year: 6239 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,940,365 km

• M1: 185,651 km (0.049 R)
• M2: 1,098,497 km (0.088 R)
• M3: 1,637,498 km (0.1 R)
• M4: 2,256,983 km (0.092 R)
• M5: 2,874,972 km (0.04 R)
• M6: 3,605,009 km (0.077 R)
• M7: 4,150,144 km (0.055 R)
• M8: 4,805,383 km (0.07 R)
• M9: 5,806,941 km (0.111 R)
• M10: 6,698,394 km (0.095 R)
• M11: 7,341,964 km (0.042 R)
• M12: 8,145,006 km (0.118 R)
• M13: 11,449,772 km (0.104 R)
• M14: 17,018,553 km (0.065 R)
• M15: 19,123,245 km (0.119 R)
• M16: 20,644,357 km (0.118 R)
• M17: 22,480,072 km (0.09 R)
• M18: 23,437,648 km (0.078 R)
• M19: 27,272,739 km (0.063 R)
• M20: 29,104,415 km (0.089 R)
• M21: 34,773,726 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.4

Radius: 5.7

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.15 AU - 7.05 AU

Year: 10218 Days

Day: 20.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,940,365 km

• M1: 71,059 km (0.072 R)
• M2: 308,920 km (0.083 R)
• M3: 542,143 km (0.079 R)
• M4: 830,567 km (0.051 R)
• M5: 1,217,876 km (0.073 R)
• M6: 2,023,610 km (0.078 R)
• M7: 2,382,496 km (0.11 R)
• M8: 2,722,980 km (0.05 R)
• M9: 3,548,461 km (0.03 R)
• M10: 4,175,576 km (0.112 R)
• M11: 4,585,624 km (0.096 R)
• M12: 5,486,203 km (0.081 R)
• M13: 6,392,616 km (0.078 R)
• M14: 6,900,052 km (0.114 R)
• M15: 7,356,026 km (0.073 R)
• M16: 7,791,506 km (0.089 R)
• M17: 8,670,244 km (0.051 R)
• M18: 9,155,988 km (0.104 R)
• M19: 9,753,332 km (0.064 R)
• M20: 11,333,983 km (0.096 R)
• M21: 11,807,610 km (0.058 R)
• M22: 13,365,672 km (0.095 R)
• M23: 13,894,201 km (0.112 R)
• M24: 14,073,420 km (0.091 R)
• M25: 15,244,921 km (0.067 R)
• M26: 22,252,085 km (0.087 R)
• M27: 24,440,552 km (0.114 R)
• M28: 27,139,298 km (0.067 R)
• M29: 27,796,481 km (0.097 R)
• M30: 28,464,136 km (0.111 R)
• M31: 30,330,220 km (0.106 R)
• M32: 34,632,057 km (0.076 R)
• M33: 37,445,095 km (0.085 R)
• M34: 37,908,848 km (0.064 R)
• M35: 38,847,874 km (0.045 R)
• M36: 40,285,510 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983

Radius: 5.7

Gravity: 30.26 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.75 AU - 9.09 AU

Year: 15117 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,940,365 km

• M1: 84,822 km (0.057 R)
• M2: 335,847 km (0.116 R)
• M3: 657,333 km (0.102 R)
• M4: 1,222,963 km (0.113 R)
• M5: 1,824,047 km (0.083 R)
• M6: 2,337,168 km (0.111 R)
• M7: 2,581,461 km (0.111 R)
• M8: 2,867,193 km (0.04 R)
• M9: 4,522,493 km (0.068 R)
• M10: 5,417,537 km (0.042 R)
• M11: 6,816,726 km (0.109 R)
• M12: 7,841,023 km (0.09 R)
• M13: 8,492,372 km (0.077 R)
• M14: 9,233,480 km (0.084 R)
• M15: 11,651,131 km (0.06 R)
• M16: 13,385,569 km (0.111 R)
• M17: 13,808,931 km (0.059 R)
• M18: 14,241,268 km (0.057 R)
• M19: 16,298,838 km (0.097 R)
• M20: 18,115,704 km (0.119 R)
• M21: 19,518,932 km (0.117 R)
• M22: 20,898,823 km (0.076 R)
• M23: 21,087,615 km (0.063 R)
• M24: 21,468,491 km (0.091 R)
• M25: 21,854,005 km (0.057 R)
• M26: 22,146,170 km (0.113 R)
• M27: 22,738,428 km (0.096 R)
• M28: 28,551,202 km (0.067 R)
• M29: 33,573,652 km (0.097 R)
• M30: 34,093,056 km (0.108 R)
• M31: 34,617,845 km (0.076 R)
• M32: 40,456,949 km (0.091 R)
• M33: 49,217,999 km (0.098 R)
• M34: 50,564,379 km (0.082 R)
• M35: 53,154,816 km (0.099 R)
• M36: 57,481,187 km (0.115 R)
• M37: 63,805,137 km (0.111 R)
• M38: 66,011,856 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.8

Radius: 3.3

Gravity: 33.41 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.2 AU - 10.44 AU

Year: 17766 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,940,365 km

• M1: 41,139 km (0.109 R)
• M2: 278,551 km (0.051 R)
• M3: 962,513 km (0.105 R)
• M4: 3,212,764 km (0.032 R)
• M5: 4,020,293 km (0.116 R)
• M6: 5,615,605 km (0.105 R)
• M7: 7,722,840 km (0.115 R)
• M8: 10,914,661 km (0.119 R)
• M9: 12,087,059 km (0.096 R)
• M10: 13,601,738 km (0.068 R)
• M11: 15,884,302 km (0.086 R)
• M12: 21,545,235 km (0.054 R)
• M13: 23,853,979 km (0.101 R)
• M14: 27,988,266 km (0.12 R)
• M15: 35,107,778 km (0.102 R)
• M16: 37,251,665 km (0.081 R)
• M17: 39,081,247 km (0.103 R)
• M18: 41,244,731 km (0.118 R)
• M19: 42,355,795 km (0.089 R)
• M20: 44,637,461 km (0.056 R)
• M21: 53,594,185 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 17,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit