🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.4

Radius: 12.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.53 AU - 0.83 AU

Year: 380 Days

Day: 13.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,537,422 km

• M1: 155,432 km (0.114 R)
• M2: 571,314 km (0.079 R)
• M3: 962,961 km (0.108 R)
• M4: 1,381,536 km (0.057 R)
• M5: 1,994,588 km (0.102 R)
• M6: 2,411,069 km (0.062 R)
• M7: 3,076,031 km (0.088 R)
• M8: 3,685,942 km (0.045 R)
• M9: 4,212,227 km (0.102 R)
• M10: 4,729,836 km (0.085 R)
• M11: 5,242,657 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 8.6

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.76 AU - 1.12 AU

Year: 618 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,537,422 km

• M1: 106,962 km (0.032 R)
• M2: 419,173 km (0.098 R)
• M3: 696,827 km (0.079 R)
• M4: 1,145,620 km (0.095 R)
• M5: 1,632,562 km (0.079 R)
• M6: 2,014,485 km (0.119 R)
• M7: 2,321,759 km (0.115 R)
• M8: 2,865,098 km (0.108 R)
• M9: 3,192,269 km (0.044 R)
• M10: 3,558,036 km (0.036 R)
• M11: 4,280,893 km (0.108 R)
• M12: 5,080,942 km (0.12 R)
• M13: 5,416,789 km (0.04 R)
• M14: 6,133,064 km (0.069 R)
• M15: 6,534,734 km (0.073 R)
• M16: 7,661,505 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.1

Radius: 11.8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.01 AU - 1.21 AU

Year: 793 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,537,422 km

• M1: 146,756 km (0.102 R)
• M2: 521,498 km (0.062 R)
• M3: 944,711 km (0.082 R)
• M4: 1,582,147 km (0.104 R)
• M5: 2,032,137 km (0.111 R)
• M6: 2,480,781 km (0.094 R)
• M7: 3,044,915 km (0.057 R)
• M8: 3,498,945 km (0.08 R)
• M9: 3,983,193 km (0.119 R)
• M10: 4,760,055 km (0.093 R)
• M11: 6,282,961 km (0.114 R)
• M12: 7,067,751 km (0.06 R)
• M13: 7,657,317 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.3

Radius: 12.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.4 AU - 1.6 AU

Year: 1246 Days

Day: 11.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,537,422 km

• M1: 153,936 km (0.058 R)
• M2: 537,056 km (0.118 R)
• M3: 928,255 km (0.103 R)
• M4: 1,553,574 km (0.101 R)
• M5: 2,016,131 km (0.075 R)
• M6: 2,469,861 km (0.076 R)
• M7: 2,941,393 km (0.084 R)
• M8: 3,747,427 km (0.04 R)
• M9: 4,643,668 km (0.081 R)
• M10: 6,165,527 km (0.077 R)
• M11: 6,859,362 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 14.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.75 AU - 3.85 AU

Year: 4066 Days

Day: 14.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,537,422 km

• M1: 175,329 km (0.034 R)
• M2: 629,059 km (0.1 R)
• M3: 1,169,706 km (0.078 R)
• M4: 1,623,586 km (0.078 R)
• M5: 2,157,351 km (0.083 R)
• M6: 2,603,302 km (0.086 R)
• M7: 3,666,494 km (0.1 R)
• M8: 4,353,148 km (0.098 R)
• M9: 6,012,787 km (0.115 R)
• M10: 6,581,858 km (0.101 R)
• M11: 7,155,715 km (0.075 R)
• M12: 7,828,756 km (0.038 R)
• M13: 8,578,839 km (0.099 R)
• M14: 12,791,665 km (0.108 R)
• M15: 15,239,984 km (0.119 R)
• M16: 16,031,656 km (0.043 R)
• M17: 17,129,854 km (0.034 R)
• M18: 18,102,390 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.2

Radius: 14.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.75 AU - 5.11 AU

Year: 6324 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,537,422 km

• M1: 179,069 km (0.099 R)
• M2: 1,502,262 km (0.112 R)
• M3: 2,270,896 km (0.112 R)
• M4: 2,964,132 km (0.113 R)
• M5: 3,477,851 km (0.043 R)
• M6: 6,095,066 km (0.111 R)
• M7: 9,643,827 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.2

Radius: 8.6

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.31 AU - 4.83 AU

Year: 6626 Days

Day: 5.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,537,422 km

• M1: 111,899 km (0.119 R)
• M2: 423,811 km (0.091 R)
• M3: 841,638 km (0.074 R)
• M4: 1,166,115 km (0.102 R)
• M5: 1,485,357 km (0.102 R)
• M6: 2,478,089 km (0.025 R)
• M7: 3,054,190 km (0.063 R)
• M8: 3,330,348 km (0.042 R)
• M9: 3,646,448 km (0.047 R)
• M10: 4,391,894 km (0.055 R)
• M11: 5,058,652 km (0.09 R)
• M12: 5,447,008 km (0.06 R)
• M13: 14,273,282 km (0.032 R)
• M14: 16,884,364 km (0.085 R)
• M15: 18,095,209 km (0.106 R)
• M16: 20,538,441 km (0.056 R)
• M17: 21,995,525 km (0.079 R)
• M18: 25,028,472 km (0.1 R)
• M19: 31,708,914 km (0.069 R)
• M20: 33,236,009 km (0.07 R)
• M21: 34,705,210 km (0.089 R)
• M22: 36,546,610 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.4

Radius: 4.9

Gravity: 27.51 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.89 AU - 8.95 AU

Year: 13709 Days

Day: 19.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,537,422 km

• M1: 61,036 km (0.072 R)
• M2: 286,779 km (0.073 R)
• M3: 527,931 km (0.075 R)
• M4: 867,967 km (0.103 R)
• M5: 1,197,232 km (0.084 R)
• M6: 1,621,342 km (0.026 R)
• M7: 2,335,073 km (0.105 R)
• M8: 2,784,465 km (0.1 R)
• M9: 3,041,774 km (0.116 R)
• M10: 3,796,794 km (0.12 R)
• M11: 5,892,361 km (0.092 R)
• M12: 7,012,999 km (0.112 R)
• M13: 7,623,507 km (0.056 R)
• M14: 8,221,450 km (0.104 R)
• M15: 8,459,610 km (0.102 R)
• M16: 12,923,461 km (0.085 R)
• M17: 15,724,681 km (0.106 R)
• M18: 16,165,845 km (0.116 R)
• M19: 16,539,840 km (0.062 R)
• M20: 17,775,219 km (0.108 R)
• M21: 18,173,598 km (0.034 R)
• M22: 18,415,498 km (0.086 R)
• M23: 19,070,886 km (0.105 R)
• M24: 24,004,175 km (0.075 R)
• M25: 24,392,980 km (0.111 R)
• M26: 25,685,655 km (0.035 R)
• M27: 26,092,262 km (0.099 R)
• M28: 29,502,196 km (0.101 R)
• M29: 30,853,962 km (0.056 R)
• M30: 33,077,585 km (0.075 R)
• M31: 36,546,012 km (0.113 R)
• M32: 40,112,874 km (0.049 R)
• M33: 42,191,237 km (0.037 R)
• M34: 42,899,733 km (0.112 R)
• M35: 43,760,220 km (0.113 R)
• M36: 47,165,815 km (0.046 R)
• M37: 48,855,373 km (0.073 R)
• M38: 58,085,113 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.9

Radius: 6.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.83 AU - 12.11 AU

Year: 22978 Days

Day: 17.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,537,422 km

• M1: 76,295 km (0.1 R)
• M2: 1,874,461 km (0.117 R)
• M3: 2,776,536 km (0.07 R)
• M4: 3,373,881 km (0.12 R)
• M5: 4,024,482 km (0.076 R)
• M6: 4,596,395 km (0.088 R)
• M7: 5,464,810 km (0.12 R)
• M8: 7,788,065 km (0.115 R)
• M9: 8,386,905 km (0.084 R)
• M10: 10,044,599 km (0.088 R)
• M11: 13,728,447 km (0.115 R)
• M12: 19,359,311 km (0.116 R)
• M13: 19,608,690 km (0.058 R)
• M14: 19,860,165 km (0.112 R)
• M15: 21,149,997 km (0.06 R)
• M16: 29,749,631 km (0.064 R)
• M17: 47,121,684 km (0.059 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: 170 - 16,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit