🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.7

Radius: 10.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.64 AU - 1.02 AU

Year: 504 Days

Day: 11.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,298,142 km

• M1: 130,599 km (0.11 R)
• M2: 822,938 km (0.106 R)
• M3: 1,234,781 km (0.055 R)
• M4: 1,584,541 km (0.089 R)
• M5: 2,566,950 km (0.109 R)
• M6: 3,136,020 km (0.098 R)
• M7: 3,480,694 km (0.106 R)
• M8: 4,641,573 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.4

Radius: 11

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.09 AU - 1.43 AU

Year: 943 Days

Day: 9.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,298,142 km

• M1: 136,732 km (0.105 R)
• M2: 535,860 km (0.075 R)
• M3: 1,117,346 km (0.062 R)
• M4: 1,751,193 km (0.103 R)
• M5: 2,376,512 km (0.108 R)
• M6: 3,272,005 km (0.109 R)
• M7: 3,958,060 km (0.078 R)
• M8: 4,361,676 km (0.096 R)
• M9: 4,924,014 km (0.096 R)
• M10: 5,412,152 km (0.12 R)
• M11: 6,304,952 km (0.112 R)
• M12: 6,693,158 km (0.068 R)
• M13: 7,145,991 km (0.11 R)
• M14: 7,644,750 km (0.064 R)
• M15: 8,684,156 km (0.091 R)
• M16: 10,089,778 km (0.074 R)
• M17: 10,976,744 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 9.5

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.49 AU - 3.33 AU

Year: 3310 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,298,142 km

• M1: 122,371 km (0.114 R)
• M2: 786,885 km (0.102 R)
• M3: 1,094,308 km (0.11 R)
• M4: 1,514,379 km (0.032 R)
• M5: 1,965,417 km (0.084 R)
• M6: 4,018,199 km (0.091 R)
• M7: 5,343,636 km (0.075 R)
• M8: 6,065,894 km (0.037 R)
• M9: 7,895,327 km (0.107 R)
• M10: 8,866,367 km (0.07 R)
• M11: 9,398,935 km (0.108 R)
• M12: 9,877,648 km (0.096 R)
• M13: 10,372,518 km (0.112 R)
• M14: 12,829,214 km (0.114 R)
• M15: 14,408,519 km (0.064 R)
• M16: 15,295,335 km (0.095 R)
• M17: 16,746,434 km (0.059 R)
• M18: 17,123,122 km (0.111 R)
• M19: 19,444,133 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.3

Radius: 14.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.04 AU - 3.22 AU

Year: 3693 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,298,142 km

• M1: 182,958 km (0.046 R)
• M2: 679,922 km (0.114 R)
• M3: 1,164,171 km (0.067 R)
• M4: 1,771,987 km (0.09 R)
• M5: 3,291,303 km (0.113 R)
• M6: 3,908,693 km (0.068 R)
• M7: 5,028,882 km (0.053 R)
• M8: 6,411,166 km (0.08 R)
• M9: 7,412,126 km (0.109 R)
• M10: 8,237,906 km (0.078 R)
• M11: 9,801,054 km (0.079 R)
• M12: 11,814,941 km (0.054 R)
• M13: 13,176,880 km (0.049 R)
• M14: 14,240,371 km (0.1 R)
• M15: 15,049,247 km (0.119 R)
• M16: 15,995,603 km (0.118 R)
• M17: 17,262,248 km (0.101 R)
• M18: 18,773,635 km (0.085 R)
• M19: 19,255,939 km (0.113 R)
• M20: 20,245,529 km (0.085 R)
• M21: 20,945,347 km (0.107 R)
• M22: 21,529,826 km (0.078 R)
• M23: 22,528,243 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.9

Radius: 3.8

Gravity: 52.97 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.64 AU - 10.02 AU

Year: 17497 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,298,142 km

• M1: 47,273 km (0.112 R)
• M2: 168,896 km (0.106 R)
• M3: 427,401 km (0.103 R)
• M4: 913,893 km (0.098 R)
• M5: 2,238,882 km (0.094 R)
• M6: 3,010,508 km (0.097 R)
• M7: 3,792,007 km (0.094 R)
• M8: 4,876,442 km (0.119 R)
• M9: 9,732,538 km (0.115 R)
• M10: 11,792,950 km (0.119 R)
• M11: 12,652,090 km (0.069 R)
• M12: 14,867,485 km (0.034 R)
• M13: 15,790,354 km (0.115 R)
• M14: 16,106,305 km (0.102 R)
• M15: 17,245,194 km (0.106 R)
• M16: 19,141,646 km (0.103 R)
• M17: 19,500,830 km (0.058 R)
• M18: 21,460,263 km (0.094 R)
• M19: 24,904,605 km (0.11 R)
• M20: 26,093,309 km (0.09 R)
• M21: 29,288,570 km (0.08 R)
• M22: 30,247,193 km (0.053 R)
• M23: 31,974,899 km (0.119 R)
• M24: 39,980,181 km (0.108 R)
• M25: 41,158,862 km (0.111 R)
• M26: 42,664,714 km (0.076 R)
• M27: 42,817,155 km (0.057 R)
• M28: 47,565,391 km (0.049 R)
• M29: 48,555,280 km (0.085 R)
• M30: 50,576,198 km (0.051 R)
• M31: 54,067,812 km (0.094 R)
• M32: 64,893,163 km (0.055 R)
• M33: 70,916,871 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.4

Radius: 6.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.04 AU - 10.52 AU

Year: 18852 Days

Day: 22.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,298,142 km

• M1: 83,476 km (0.082 R)
• M2: 300,542 km (0.066 R)
• M3: 604,824 km (0.095 R)
• M4: 1,078,451 km (0.09 R)
• M5: 2,454,452 km (0.09 R)
• M6: 2,761,726 km (0.107 R)
• M7: 3,181,648 km (0.112 R)
• M8: 3,840,327 km (0.111 R)
• M9: 4,904,267 km (0.099 R)
• M10: 6,794,137 km (0.092 R)
• M11: 7,093,482 km (0.025 R)
• M12: 7,362,609 km (0.079 R)
• M13: 7,880,517 km (0.038 R)
• M14: 9,533,723 km (0.095 R)
• M15: 10,148,869 km (0.066 R)
• M16: 13,923,822 km (0.096 R)
• M17: 14,964,574 km (0.083 R)
• M18: 18,039,259 km (0.1 R)
• M19: 18,396,948 km (0.118 R)
• M20: 20,877,280 km (0.1 R)
• M21: 21,113,346 km (0.091 R)
• M22: 22,320,152 km (0.025 R)
• M23: 23,402,642 km (0.113 R)
• M24: 27,893,121 km (0.082 R)
• M25: 28,661,157 km (0.114 R)
• M26: 31,254,586 km (0.096 R)
• M27: 31,978,639 km (0.028 R)
• M28: 34,000,305 km (0.108 R)
• M29: 34,546,187 km (0.119 R)
• M30: 37,944,902 km (0.047 R)
• M31: 40,087,442 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.8

Radius: 3.8

Gravity: 67.85 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.85 AU - 11.71 AU

Year: 21980 Days

Day: 23.2 Hours

Environment

Temp: -246 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,298,142 km

• M1: 73,453 km (0.086 R)
• M2: 1,100,592 km (0.07 R)
• M3: 2,585,650 km (0.103 R)
• M4: 3,386,597 km (0.07 R)
• M5: 3,665,447 km (0.067 R)
• M6: 5,975,388 km (0.084 R)
• M7: 6,759,729 km (0.103 R)
• M8: 7,353,035 km (0.097 R)
• M9: 8,088,458 km (0.074 R)
• M10: 8,699,565 km (0.114 R)
• M11: 14,982,077 km (0.107 R)
• M12: 18,036,267 km (0.05 R)
• M13: 22,539,911 km (0.096 R)
• M14: 22,864,239 km (0.107 R)
• M15: 36,427,979 km (0.097 R)
• M16: 47,472,042 km (0.092 R)
• M17: 49,627,448 km (0.088 R)
• M18: 51,099,940 km (0.12 R)
• M19: 53,746,625 km (0.06 R)
• M20: 56,086,635 km (0.115 R)
• M21: 60,136,250 km (0.119 R)
• M22: 60,551,533 km (0.111 R)
• M23: 62,020,435 km (0.081 R)
• M24: 80,276,611 km (0.114 R)
• M25: 84,364,074 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 19,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit