🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936

Radius: 8.5

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.7 AU - 1.06 AU

Year: 560 Days

Day: 15 Hours

Environment

Temp: -160 °C

Axial Tilt: 142.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,913,200 km

• M1: 105,915 km (0.116 R)
• M2: 418,276 km (0.095 R)
• M3: 682,765 km (0.109 R)
• M4: 960,269 km (0.114 R)
• M5: 1,294,770 km (0.105 R)
• M6: 1,780,963 km (0.077 R)
• M7: 2,062,655 km (0.117 R)
• M8: 2,363,946 km (0.098 R)
• M9: 2,705,926 km (0.087 R)
• M10: 3,080,669 km (0.104 R)
• M11: 3,694,020 km (0.044 R)
• M12: 4,417,476 km (0.087 R)
• M13: 4,788,329 km (0.099 R)
• M14: 5,741,117 km (0.097 R)
• M15: 6,793,987 km (0.06 R)
• M16: 7,092,435 km (0.083 R)
• M17: 7,466,579 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.7

Radius: 12

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.75 AU - 1.97 AU

Year: 1721 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,913,200 km

• M1: 149,747 km (0.093 R)
• M2: 582,534 km (0.086 R)
• M3: 1,788,143 km (0.04 R)
• M4: 2,182,633 km (0.064 R)
• M5: 2,582,358 km (0.062 R)
• M6: 2,957,999 km (0.116 R)
• M7: 3,516,148 km (0.062 R)
• M8: 4,162,112 km (0.095 R)
• M9: 5,202,715 km (0.119 R)
• M10: 6,019,519 km (0.075 R)
• M11: 6,867,589 km (0.11 R)
• M12: 8,406,054 km (0.115 R)
• M13: 9,628,568 km (0.096 R)
• M14: 10,682,186 km (0.069 R)
• M15: 13,797,262 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.4

Radius: 8.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.08 AU - 2.62 AU

Year: 2443 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,913,200 km

• M1: 108,458 km (0.051 R)
• M2: 391,498 km (0.092 R)
• M3: 692,339 km (0.095 R)
• M4: 1,042,847 km (0.111 R)
• M5: 1,332,468 km (0.118 R)
• M6: 2,044,405 km (0.06 R)
• M7: 3,620,418 km (0.103 R)
• M8: 4,069,361 km (0.098 R)
• M9: 4,435,128 km (0.067 R)
• M10: 6,708,567 km (0.056 R)
• M11: 7,556,488 km (0.085 R)
• M12: 8,566,872 km (0.051 R)
• M13: 10,004,657 km (0.065 R)
• M14: 11,483,282 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 10

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.28 AU - 2.68 AU

Year: 2649 Days

Day: 5.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,913,200 km

• M1: 124,465 km (0.054 R)
• M2: 540,048 km (0.104 R)
• M3: 1,695,243 km (0.092 R)
• M4: 2,007,304 km (0.076 R)
• M5: 3,301,176 km (0.032 R)
• M6: 3,745,781 km (0.101 R)
• M7: 5,162,473 km (0.099 R)
• M8: 7,874,084 km (0.066 R)
• M9: 8,224,592 km (0.075 R)
• M10: 9,732,688 km (0.065 R)
• M11: 10,295,176 km (0.077 R)
• M12: 11,623,156 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.5

Radius: 11.6

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.7 AU - 3.48 AU

Year: 3684 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,913,200 km

• M1: 144,212 km (0.094 R)
• M2: 539,899 km (0.096 R)
• M3: 1,567,786 km (0.065 R)
• M4: 1,945,371 km (0.105 R)
• M5: 2,430,217 km (0.107 R)
• M6: 3,067,355 km (0.108 R)
• M7: 3,687,737 km (0.11 R)
• M8: 4,116,784 km (0.083 R)
• M9: 4,579,041 km (0.084 R)
• M10: 5,232,036 km (0.095 R)
• M11: 5,691,900 km (0.118 R)
• M12: 6,119,899 km (0.12 R)
• M13: 6,912,918 km (0.083 R)
• M14: 8,740,704 km (0.099 R)
• M15: 9,234,377 km (0.104 R)
• M16: 9,746,451 km (0.102 R)
• M17: 10,827,894 km (0.112 R)
• M18: 13,677,135 km (0.072 R)
• M19: 14,817,220 km (0.066 R)
• M20: 15,796,338 km (0.108 R)
• M21: 17,345,125 km (0.114 R)
• M22: 17,883,229 km (0.116 R)
• M23: 20,476,807 km (0.103 R)
• M24: 21,213,277 km (0.04 R)
• M25: 21,897,987 km (0.094 R)
• M26: 23,820,619 km (0.103 R)
• M27: 25,698,820 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.3

Radius: 6.5

Gravity: 20.1 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.23 AU - 7.77 AU

Year: 11240 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,913,200 km

• M1: 85,869 km (0.119 R)
• M2: 312,809 km (0.106 R)
• M3: 939,026 km (0.049 R)
• M4: 1,657,993 km (0.077 R)
• M5: 1,989,053 km (0.095 R)
• M6: 2,246,362 km (0.118 R)
• M7: 2,919,402 km (0.117 R)
• M8: 3,203,788 km (0.043 R)
• M9: 4,469,536 km (0.118 R)
• M10: 5,597,952 km (0.111 R)
• M11: 6,151,764 km (0.093 R)
• M12: 6,422,386 km (0.076 R)
• M13: 9,895,002 km (0.117 R)
• M14: 10,159,790 km (0.096 R)
• M15: 14,927,324 km (0.067 R)
• M16: 17,713,585 km (0.117 R)
• M17: 21,263,542 km (0.099 R)
• M18: 22,332,868 km (0.117 R)
• M19: 22,972,997 km (0.106 R)
• M20: 25,064,375 km (0.078 R)
• M21: 26,867,329 km (0.093 R)
• M22: 28,434,366 km (0.102 R)
• M23: 29,512,369 km (0.08 R)
• M24: 30,172,095 km (0.095 R)
• M25: 30,617,299 km (0.049 R)
• M26: 32,326,005 km (0.099 R)
• M27: 36,056,976 km (0.038 R)
• M28: 37,832,254 km (0.088 R)
• M29: 41,968,935 km (0.038 R)
• M30: 43,365,132 km (0.032 R)
• M31: 44,936,358 km (0.079 R)
• M32: 47,438,682 km (0.111 R)
• M33: 50,969,939 km (0.067 R)
• M34: 52,238,080 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.4

Radius: 5.5

Gravity: 28.48 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.12 AU - 8.16 AU

Year: 15752 Days

Day: 15.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,913,200 km

• M1: 68,366 km (0.085 R)
• M2: 548,276 km (0.097 R)
• M3: 1,938,788 km (0.101 R)
• M4: 2,318,617 km (0.097 R)
• M5: 2,515,039 km (0.108 R)
• M6: 3,787,968 km (0.101 R)
• M7: 4,251,123 km (0.085 R)
• M8: 5,142,277 km (0.083 R)
• M9: 6,703,181 km (0.058 R)
• M10: 7,240,836 km (0.064 R)
• M11: 8,351,152 km (0.104 R)
• M12: 9,295,862 km (0.098 R)
• M13: 9,850,571 km (0.076 R)
• M14: 11,520,682 km (0.119 R)
• M15: 11,710,222 km (0.044 R)
• M16: 12,225,587 km (0.093 R)
• M17: 14,005,502 km (0.082 R)
• M18: 14,512,639 km (0.09 R)
• M19: 16,906,953 km (0.025 R)
• M20: 17,900,432 km (0.117 R)
• M21: 21,588,469 km (0.09 R)
• M22: 21,876,744 km (0.098 R)
• M23: 25,218,611 km (0.062 R)
• M24: 31,765,313 km (0.117 R)
• M25: 40,222,978 km (0.068 R)
• M26: 45,199,201 km (0.115 R)
• M27: 51,078,996 km (0.075 R)
• M28: 55,449,049 km (0.047 R)
• M29: 60,441,429 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.4

Radius: 4.8

Gravity: 41.25 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.85 AU - 10.15 AU

Year: 21448 Days

Day: 24.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,913,200 km

• M1: 59,690 km (0.094 R)
• M2: 268,678 km (0.053 R)
• M3: 430,543 km (0.079 R)
• M4: 613,202 km (0.118 R)
• M5: 906,264 km (0.084 R)
• M6: 1,058,405 km (0.069 R)
• M7: 1,415,046 km (0.085 R)
• M8: 1,968,708 km (0.116 R)
• M9: 2,556,029 km (0.025 R)
• M10: 2,732,405 km (0.065 R)
• M11: 3,430,130 km (0.108 R)
• M12: 5,012,725 km (0.117 R)
• M13: 6,595,770 km (0.096 R)
• M14: 7,836,834 km (0.106 R)
• M15: 8,429,391 km (0.081 R)
• M16: 9,284,792 km (0.082 R)
• M17: 12,990,630 km (0.119 R)
• M18: 16,428,240 km (0.09 R)
• M19: 17,576,104 km (0.033 R)
• M20: 22,171,601 km (0.108 R)
• M21: 26,189,650 km (0.115 R)
• M22: 32,401,852 km (0.111 R)
• M23: 32,811,301 km (0.098 R)
• M24: 38,299,448 km (0.078 R)
• M25: 42,713,633 km (0.095 R)
• M26: 45,042,872 km (0.076 R)
• M27: 45,382,309 km (0.116 R)
• M28: 62,910,093 km (0.099 R)
• M29: 64,403,080 km (0.035 R)
• M30: 66,357,128 km (0.118 R)
• M31: 69,474,747 km (0.069 R)
• M32: 69,701,089 km (0.088 R)
• M33: 73,860,059 km (0.108 R)
• M34: 76,240,460 km (0.119 R)
• M35: 76,481,313 km (0.089 R)
• M36: 79,658,323 km (0.06 R)
• M37: 81,405,028 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 20,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit