🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 11.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.94 AU - 1.48 AU

Year: 936 Days

Day: 6.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,116,452 km

• M1: 156,479 km (0.053 R)
• M2: 652,247 km (0.067 R)
• M3: 1,196,484 km (0.112 R)
• M4: 1,650,962 km (0.098 R)
• M5: 2,220,780 km (0.113 R)
• M6: 2,759,482 km (0.073 R)
• M7: 3,320,175 km (0.091 R)
• M8: 3,703,295 km (0.12 R)
• M9: 4,867,167 km (0.095 R)
• M10: 5,670,806 km (0.116 R)
• M11: 6,745,518 km (0.117 R)
• M12: 7,276,740 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 13.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.39 AU - 2.19 AU

Year: 1683 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,116,452 km

• M1: 171,589 km (0.11 R)
• M2: 695,032 km (0.118 R)
• M3: 1,185,414 km (0.104 R)
• M4: 2,054,577 km (0.089 R)
• M5: 2,546,455 km (0.059 R)
• M6: 3,020,979 km (0.1 R)
• M7: 3,509,267 km (0.032 R)
• M8: 4,394,587 km (0.115 R)
• M9: 5,322,243 km (0.109 R)
• M10: 5,930,508 km (0.101 R)
• M11: 7,236,947 km (0.092 R)
• M12: 7,773,554 km (0.108 R)
• M13: 9,013,721 km (0.11 R)
• M14: 9,942,274 km (0.053 R)
• M15: 10,606,788 km (0.108 R)
• M16: 11,166,284 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.3

Radius: 8.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.87 AU - 2.25 AU

Year: 2078 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,116,452 km

• M1: 108,159 km (0.112 R)
• M2: 411,394 km (0.084 R)
• M3: 759,658 km (0.097 R)
• M4: 1,172,548 km (0.086 R)
• M5: 1,604,736 km (0.04 R)
• M6: 2,356,316 km (0.071 R)
• M7: 2,721,634 km (0.113 R)
• M8: 3,079,472 km (0.08 R)
• M9: 4,159,419 km (0.101 R)
• M10: 4,836,499 km (0.106 R)
• M11: 5,212,439 km (0.042 R)
• M12: 5,585,237 km (0.107 R)
• M13: 5,952,350 km (0.077 R)
• M14: 6,262,316 km (0.085 R)
• M15: 7,284,668 km (0.098 R)
• M16: 7,977,755 km (0.11 R)
• M17: 9,335,356 km (0.113 R)
• M18: 9,754,679 km (0.073 R)
• M19: 11,088,643 km (0.073 R)
• M20: 11,669,532 km (0.078 R)
• M21: 12,971,482 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.4

Radius: 8.8

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.19 AU - 3.51 AU

Year: 3382 Days

Day: 7.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,116,452 km

• M1: 109,506 km (0.099 R)
• M2: 441,763 km (0.114 R)
• M3: 788,530 km (0.05 R)
• M4: 1,072,318 km (0.088 R)
• M5: 1,376,300 km (0.086 R)
• M6: 1,844,542 km (0.094 R)
• M7: 3,241,487 km (0.099 R)
• M8: 3,536,194 km (0.085 R)
• M9: 3,909,292 km (0.079 R)
• M10: 4,529,524 km (0.092 R)
• M11: 6,876,565 km (0.045 R)
• M12: 8,447,343 km (0.087 R)
• M13: 11,547,011 km (0.101 R)
• M14: 12,774,611 km (0.109 R)
• M15: 13,326,478 km (0.048 R)
• M16: 14,676,150 km (0.103 R)
• M17: 17,644,919 km (0.111 R)
• M18: 19,934,515 km (0.108 R)
• M19: 20,365,506 km (0.117 R)
• M20: 21,118,731 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.8

Radius: 13.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.38 AU - 3.42 AU

Year: 4407 Days

Day: 14.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,116,452 km

• M1: 169,794 km (0.072 R)
• M2: 601,982 km (0.088 R)
• M3: 1,159,533 km (0.053 R)
• M4: 1,773,483 km (0.104 R)
• M5: 3,076,031 km (0.109 R)
• M6: 5,155,292 km (0.102 R)
• M7: 5,914,950 km (0.109 R)
• M8: 8,110,299 km (0.094 R)
• M9: 8,752,223 km (0.041 R)
• M10: 9,391,455 km (0.098 R)
• M11: 11,290,600 km (0.025 R)
• M12: 15,022,469 km (0.094 R)
• M13: 15,476,797 km (0.041 R)
• M14: 17,386,265 km (0.052 R)
• M15: 18,976,490 km (0.035 R)
• M16: 19,867,345 km (0.111 R)
• M17: 21,035,555 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.2

Radius: 13.2

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.73 AU - 6.19 AU

Year: 7765 Days

Day: 11.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,116,452 km

• M1: 164,558 km (0.088 R)
• M2: 655,239 km (0.099 R)
• M3: 1,285,794 km (0.074 R)
• M4: 1,896,602 km (0.043 R)
• M5: 2,359,458 km (0.06 R)
• M6: 3,088,149 km (0.07 R)
• M7: 3,637,921 km (0.07 R)
• M8: 4,361,676 km (0.099 R)
• M9: 6,595,471 km (0.075 R)
• M10: 7,473,162 km (0.12 R)
• M11: 8,170,737 km (0.119 R)
• M12: 14,331,027 km (0.099 R)
• M13: 17,230,982 km (0.08 R)
• M14: 17,797,509 km (0.111 R)
• M15: 18,670,562 km (0.073 R)
• M16: 20,188,831 km (0.09 R)
• M17: 24,966,538 km (0.071 R)
• M18: 25,418,473 km (0.097 R)
• M19: 35,194,844 km (0.07 R)
• M20: 37,624,612 km (0.073 R)
• M21: 38,699,324 km (0.065 R)
• M22: 39,671,859 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.8

Radius: 9.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.25 AU - 5.95 AU

Year: 8096 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,116,452 km

• M1: 129,701 km (0.107 R)
• M2: 755,619 km (0.118 R)
• M3: 2,378,756 km (0.099 R)
• M4: 4,538,051 km (0.113 R)
• M5: 5,131,955 km (0.061 R)
• M6: 7,293,195 km (0.071 R)
• M7: 10,411,713 km (0.038 R)
• M8: 13,413,992 km (0.106 R)
• M9: 14,793,584 km (0.057 R)
• M10: 18,254,680 km (0.109 R)
• M11: 19,561,418 km (0.066 R)
• M12: 20,401,110 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.4

Radius: 6.8

Gravity: 20.49 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.82 AU - 7.16 AU

Year: 10305 Days

Day: 23.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,116,452 km

• M1: 89,908 km (0.099 R)
• M2: 500,554 km (0.078 R)
• M3: 1,074,262 km (0.031 R)
• M4: 1,317,508 km (0.07 R)
• M5: 1,817,465 km (0.096 R)
• M6: 2,751,703 km (0.053 R)
• M7: 3,361,464 km (0.03 R)
• M8: 3,618,772 km (0.086 R)
• M9: 4,349,708 km (0.112 R)
• M10: 4,878,387 km (0.088 R)
• M11: 6,603,100 km (0.098 R)
• M12: 7,174,265 km (0.077 R)
• M13: 8,461,854 km (0.116 R)
• M14: 10,372,817 km (0.104 R)
• M15: 11,428,679 km (0.059 R)
• M16: 16,964,548 km (0.088 R)
• M17: 19,391,175 km (0.067 R)
• M18: 22,129,115 km (0.106 R)
• M19: 23,871,033 km (0.104 R)
• M20: 25,702,560 km (0.067 R)
• M21: 29,102,620 km (0.069 R)
• M22: 31,642,194 km (0.11 R)
• M23: 33,141,015 km (0.027 R)
• M24: 35,661,140 km (0.107 R)
• M25: 44,551,891 km (0.06 R)
• M26: 48,970,863 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.5

Radius: 6.6

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.38 AU - 11.5 AU

Year: 20388 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,116,452 km

• M1: 82,129 km (0.049 R)
• M2: 357,689 km (0.091 R)
• M3: 1,297,163 km (0.076 R)
• M4: 1,919,041 km (0.103 R)
• M5: 3,188,679 km (0.09 R)
• M6: 3,676,966 km (0.076 R)
• M7: 5,009,434 km (0.1 R)
• M8: 11,008,758 km (0.115 R)
• M9: 11,310,048 km (0.068 R)
• M10: 11,554,940 km (0.099 R)
• M11: 12,246,979 km (0.1 R)
• M12: 12,505,335 km (0.097 R)
• M13: 15,442,240 km (0.074 R)
• M14: 15,668,133 km (0.038 R)
• M15: 26,949,458 km (0.091 R)
• M16: 27,607,389 km (0.101 R)
• M17: 32,763,430 km (0.104 R)
• M18: 33,136,676 km (0.108 R)
• M19: 35,566,894 km (0.031 R)
• M20: 43,266,696 km (0.119 R)
• M21: 45,390,238 km (0.025 R)
• M22: 47,264,699 km (0.079 R)
• M23: 48,542,714 km (0.041 R)
• M24: 49,027,860 km (0.113 R)
• M25: 52,175,848 km (0.117 R)
• M26: 53,712,966 km (0.105 R)
• M27: 56,877,260 km (0.114 R)
• M28: 57,596,975 km (0.115 R)
• M29: 57,959,002 km (0.101 R)
• M30: 60,163,626 km (0.117 R)
• M31: 61,098,463 km (0.085 R)
• M32: 61,664,093 km (0.071 R)
• M33: 65,327,146 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 15,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit