🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.7

Radius: 11.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.55 AU - 0.63 AU

Year: 313 Days

Day: 8.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,118,553 km

• M1: 143,016 km (0.109 R)
• M2: 510,428 km (0.108 R)
• M3: 898,335 km (0.025 R)
• M4: 1,258,417 km (0.069 R)
• M5: 1,672,355 km (0.11 R)
• M6: 2,115,912 km (0.079 R)
• M7: 2,558,423 km (0.078 R)
• M8: 3,255,250 km (0.026 R)
• M9: 3,688,336 km (0.108 R)
• M10: 4,234,069 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.9

Radius: 10.3

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.09 AU - 1.19 AU

Year: 840 Days

Day: 9 Hours

Environment

Temp: -188 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,118,553 km

• M1: 128,205 km (0.117 R)
• M2: 471,532 km (0.099 R)
• M3: 1,029,832 km (0.085 R)
• M4: 1,494,034 km (0.101 R)
• M5: 2,851,186 km (0.085 R)
• M6: 3,501,787 km (0.1 R)
• M7: 3,946,990 km (0.094 R)
• M8: 4,281,042 km (0.06 R)
• M9: 4,720,860 km (0.081 R)
• M10: 5,872,016 km (0.042 R)
• M11: 6,834,678 km (0.09 R)
• M12: 7,201,342 km (0.034 R)
• M13: 7,677,961 km (0.113 R)
• M14: 8,201,105 km (0.038 R)
• M15: 8,989,336 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 12.5

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.87 AU - 1.95 AU

Year: 1822 Days

Day: 5.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,118,553 km

• M1: 156,479 km (0.057 R)
• M2: 671,844 km (0.092 R)
• M3: 1,496,876 km (0.078 R)
• M4: 2,321,609 km (0.095 R)
• M5: 2,845,052 km (0.1 R)
• M6: 4,346,417 km (0.112 R)
• M7: 4,884,370 km (0.107 R)
• M8: 6,583,353 km (0.116 R)
• M9: 6,987,866 km (0.03 R)
• M10: 9,232,732 km (0.096 R)
• M11: 9,949,006 km (0.107 R)
• M12: 10,628,630 km (0.081 R)
• M13: 11,647,541 km (0.086 R)
• M14: 12,443,551 km (0.106 R)
• M15: 13,275,465 km (0.103 R)
• M16: 14,055,468 km (0.107 R)
• M17: 15,096,520 km (0.062 R)
• M18: 15,564,761 km (0.112 R)
• M19: 16,285,523 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.6

Radius: 12.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.46 AU - 2.4 AU

Year: 1851 Days

Day: 13.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,118,553 km

• M1: 155,432 km (0.048 R)
• M2: 628,012 km (0.116 R)
• M3: 1,315,564 km (0.053 R)
• M4: 1,826,440 km (0.087 R)
• M5: 2,242,472 km (0.091 R)
• M6: 2,665,834 km (0.112 R)
• M7: 3,055,237 km (0.039 R)
• M8: 3,634,630 km (0.119 R)
• M9: 4,025,679 km (0.094 R)
• M10: 5,137,939 km (0.112 R)
• M11: 5,921,383 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.1

Radius: 5.4

Gravity: 27.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.08 AU - 6.58 AU

Year: 9717 Days

Day: 17 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,118,553 km

• M1: 72,555 km (0.044 R)
• M2: 261,946 km (0.059 R)
• M3: 486,343 km (0.105 R)
• M4: 784,342 km (0.096 R)
• M5: 1,552,228 km (0.11 R)
• M6: 1,777,671 km (0.106 R)
• M7: 2,094,520 km (0.08 R)
• M8: 2,797,779 km (0.109 R)
• M9: 2,995,847 km (0.099 R)
• M10: 3,250,762 km (0.05 R)
• M11: 3,494,905 km (0.119 R)
• M12: 4,187,394 km (0.039 R)
• M13: 4,904,267 km (0.116 R)
• M14: 5,769,691 km (0.072 R)
• M15: 5,983,017 km (0.078 R)
• M16: 6,201,729 km (0.064 R)
• M17: 7,500,987 km (0.08 R)
• M18: 8,281,439 km (0.099 R)
• M19: 9,162,421 km (0.119 R)
• M20: 9,800,157 km (0.084 R)
• M21: 11,890,787 km (0.054 R)
• M22: 16,005,775 km (0.088 R)
• M23: 18,113,759 km (0.084 R)
• M24: 20,318,084 km (0.025 R)
• M25: 24,316,984 km (0.098 R)
• M26: 24,594,638 km (0.085 R)
• M27: 25,440,315 km (0.025 R)
• M28: 28,195,309 km (0.104 R)
• M29: 28,604,459 km (0.107 R)
• M30: 29,855,696 km (0.097 R)
• M31: 39,523,907 km (0.096 R)
• M32: 39,779,570 km (0.046 R)
• M33: 41,074,489 km (0.082 R)
• M34: 43,204,314 km (0.109 R)
• M35: 45,406,694 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456

Radius: 3.8

Gravity: 31.58 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.68 AU - 7.18 AU

Year: 9968 Days

Day: 22.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 102.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,118,553 km

• M1: 47,273 km (0.1 R)
• M2: 290,519 km (0.093 R)
• M3: 609,611 km (0.118 R)
• M4: 982,708 km (0.106 R)
• M5: 1,266,047 km (0.116 R)
• M6: 1,601,595 km (0.104 R)
• M7: 1,835,865 km (0.11 R)
• M8: 2,964,581 km (0.115 R)
• M9: 3,204,536 km (0.101 R)
• M10: 4,433,782 km (0.107 R)
• M11: 4,631,849 km (0.117 R)
• M12: 5,324,487 km (0.12 R)
• M13: 5,745,157 km (0.119 R)
• M14: 5,980,773 km (0.038 R)
• M15: 6,912,170 km (0.09 R)
• M16: 7,895,327 km (0.073 R)
• M17: 9,515,771 km (0.117 R)
• M18: 10,677,997 km (0.108 R)
• M19: 14,478,531 km (0.119 R)
• M20: 14,789,096 km (0.063 R)
• M21: 18,723,071 km (0.091 R)
• M22: 21,566,029 km (0.115 R)
• M23: 22,463,766 km (0.095 R)
• M24: 29,158,869 km (0.109 R)
• M25: 33,493,168 km (0.106 R)
• M26: 36,380,557 km (0.115 R)
• M27: 37,301,331 km (0.111 R)
• M28: 37,533,956 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.9

Radius: 4.6

Gravity: 19.23 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.6 AU - 7.6 AU

Year: 11704 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 88,118,553 km

• M1: 58,792 km (0.086 R)
• M2: 1,070,223 km (0.1 R)
• M3: 1,239,867 km (0.069 R)
• M4: 1,427,612 km (0.087 R)
• M5: 2,432,910 km (0.105 R)
• M6: 2,667,779 km (0.115 R)
• M7: 3,812,502 km (0.045 R)
• M8: 5,610,219 km (0.099 R)
• M9: 6,161,637 km (0.054 R)
• M10: 8,597,988 km (0.079 R)
• M11: 8,867,713 km (0.111 R)
• M12: 12,558,741 km (0.082 R)
• M13: 13,081,885 km (0.059 R)
• M14: 14,296,620 km (0.106 R)
• M15: 15,452,263 km (0.105 R)
• M16: 18,686,270 km (0.097 R)
• M17: 19,367,688 km (0.09 R)
• M18: 20,619,972 km (0.097 R)
• M19: 21,925,064 km (0.12 R)
• M20: 24,340,022 km (0.068 R)
• M21: 30,306,285 km (0.074 R)
• M22: 34,406,313 km (0.106 R)
• M23: 35,773,937 km (0.112 R)
• M24: 37,177,614 km (0.108 R)
• M25: 41,099,023 km (0.117 R)
• M26: 44,749,061 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.9

Radius: 3.5

Gravity: 76.64 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.95 AU - 9.25 AU

Year: 18948 Days

Day: 20.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,118,553 km

• M1: 47,273 km (0.116 R)
• M2: 214,374 km (0.034 R)
• M3: 364,869 km (0.099 R)
• M4: 638,484 km (0.102 R)
• M5: 853,456 km (0.067 R)
• M6: 1,683,425 km (0.096 R)
• M7: 1,949,859 km (0.089 R)
• M8: 2,287,950 km (0.077 R)
• M9: 2,494,694 km (0.099 R)
• M10: 2,713,705 km (0.118 R)
• M11: 2,866,744 km (0.118 R)
• M12: 4,272,366 km (0.091 R)
• M13: 5,376,996 km (0.102 R)
• M14: 6,937,751 km (0.076 R)
• M15: 13,824,190 km (0.118 R)
• M16: 14,049,634 km (0.115 R)
• M17: 18,178,236 km (0.119 R)
• M18: 19,842,662 km (0.103 R)
• M19: 21,205,498 km (0.1 R)
• M20: 25,216,367 km (0.044 R)
• M21: 25,665,908 km (0.044 R)
• M22: 26,120,835 km (0.12 R)
• M23: 26,929,561 km (0.102 R)
• M24: 29,085,865 km (0.108 R)
• M25: 32,930,680 km (0.115 R)
• M26: 37,390,641 km (0.117 R)
• M27: 43,671,209 km (0.055 R)
• M28: 52,236,884 km (0.093 R)
• M29: 52,601,005 km (0.078 R)
• M30: 55,386,218 km (0.079 R)
• M31: 55,764,850 km (0.071 R)
• M32: 59,845,132 km (0.112 R)
• M33: 60,443,823 km (0.106 R)
• M34: 60,644,284 km (0.091 R)
• M35: 73,956,251 km (0.093 R)
• M36: 74,185,584 km (0.043 R)
• M37: 74,415,366 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.1

Radius: 4.6

Gravity: 47.12 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.04 AU - 11.24 AU

Year: 20660 Days

Day: 17.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,118,553 km

• M1: 57,296 km (0.084 R)
• M2: 217,067 km (0.11 R)
• M3: 623,823 km (0.115 R)
• M4: 872,754 km (0.088 R)
• M5: 1,087,277 km (0.099 R)
• M6: 1,320,800 km (0.099 R)
• M7: 2,783,568 km (0.063 R)
• M8: 5,121,782 km (0.079 R)
• M9: 5,994,237 km (0.114 R)
• M10: 6,396,805 km (0.094 R)
• M11: 7,765,027 km (0.068 R)
• M12: 9,674,793 km (0.073 R)
• M13: 16,537,895 km (0.081 R)
• M14: 33,476,862 km (0.091 R)
• M15: 34,738,720 km (0.078 R)
• M16: 36,764,126 km (0.111 R)
• M17: 39,791,986 km (0.093 R)
• M18: 53,757,097 km (0.096 R)
• M19: 56,069,132 km (0.108 R)
• M20: 57,448,126 km (0.09 R)
• M21: 66,417,715 km (0.088 R)
• M22: 87,854,641 km (0.091 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: 533 - 14,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit