🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 11.5

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.39 AU - 2.05 AU

Year: 1456 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,241,668 km

• M1: 143,165 km (0.103 R)
• M2: 630,705 km (0.117 R)
• M3: 1,064,239 km (0.078 R)
• M4: 1,425,518 km (0.094 R)
• M5: 2,076,718 km (0.067 R)
• M6: 2,654,614 km (0.084 R)
• M7: 3,416,815 km (0.043 R)
• M8: 4,452,332 km (0.042 R)
• M9: 5,396,145 km (0.091 R)
• M10: 6,419,394 km (0.105 R)
• M11: 6,899,304 km (0.11 R)
• M12: 7,874,682 km (0.041 R)
• M13: 8,847,517 km (0.091 R)
• M14: 9,475,080 km (0.102 R)
• M15: 9,998,224 km (0.114 R)
• M16: 11,246,020 km (0.05 R)
• M17: 12,020,339 km (0.11 R)
• M18: 12,869,306 km (0.098 R)
• M19: 13,349,067 km (0.058 R)
• M20: 13,882,234 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.2

Radius: 14

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.91 AU - 2.37 AU

Year: 2021 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 126.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,241,668 km

• M1: 174,132 km (0.104 R)
• M2: 677,379 km (0.05 R)
• M3: 1,125,724 km (0.086 R)
• M4: 2,055,475 km (0.115 R)
• M5: 2,731,358 km (0.095 R)
• M6: 3,535,297 km (0.114 R)
• M7: 4,552,562 km (0.083 R)
• M8: 4,989,388 km (0.105 R)
• M9: 5,996,930 km (0.12 R)
• M10: 6,446,621 km (0.108 R)
• M11: 7,053,988 km (0.109 R)
• M12: 7,903,704 km (0.114 R)
• M13: 8,694,329 km (0.088 R)
• M14: 9,537,163 km (0.072 R)
• M15: 10,756,984 km (0.092 R)
• M16: 11,273,097 km (0.101 R)
• M17: 11,883,157 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.1

Radius: 8.3

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.7 AU - 2.8 AU

Year: 2179 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,241,668 km

• M1: 103,223 km (0.113 R)
• M2: 402,418 km (0.083 R)
• M3: 1,243,607 km (0.071 R)
• M4: 1,855,014 km (0.105 R)
• M5: 2,128,030 km (0.077 R)
• M6: 3,262,281 km (0.075 R)
• M7: 3,699,705 km (0.105 R)
• M8: 4,019,096 km (0.063 R)
• M9: 4,397,729 km (0.05 R)
• M10: 4,954,532 km (0.059 R)
• M11: 5,461,519 km (0.109 R)
• M12: 7,995,408 km (0.064 R)
• M13: 9,993,437 km (0.066 R)
• M14: 11,774,998 km (0.091 R)
• M15: 12,220,800 km (0.074 R)
• M16: 13,406,363 km (0.094 R)
• M17: 14,713,250 km (0.094 R)
• M18: 15,906,293 km (0.118 R)
• M19: 16,451,128 km (0.069 R)
• M20: 17,265,838 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.1

Radius: 9.4

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.44 AU - 2.58 AU

Year: 2568 Days

Day: 5.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,241,668 km

• M1: 117,135 km (0.055 R)
• M2: 454,179 km (0.115 R)
• M3: 856,149 km (0.1 R)
• M4: 1,259,315 km (0.096 R)
• M5: 2,086,292 km (0.116 R)
• M6: 2,483,923 km (0.111 R)
• M7: 2,902,498 km (0.072 R)
• M8: 3,687,438 km (0.063 R)
• M9: 4,101,674 km (0.107 R)
• M10: 4,487,039 km (0.093 R)
• M11: 6,079,059 km (0.078 R)
• M12: 7,639,963 km (0.066 R)
• M13: 8,903,168 km (0.076 R)
• M14: 9,255,919 km (0.1 R)
• M15: 9,651,307 km (0.099 R)
• M16: 10,092,321 km (0.066 R)
• M17: 10,440,585 km (0.104 R)
• M18: 12,904,462 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.7

Radius: 11.9

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.19 AU - 2.91 AU

Year: 2629 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,241,668 km

• M1: 148,251 km (0.088 R)
• M2: 585,676 km (0.105 R)
• M3: 968,347 km (0.083 R)
• M4: 1,935,796 km (0.059 R)
• M5: 2,758,734 km (0.118 R)
• M6: 3,233,857 km (0.065 R)
• M7: 3,979,004 km (0.075 R)
• M8: 4,632,747 km (0.041 R)
• M9: 5,430,702 km (0.118 R)
• M10: 5,967,908 km (0.096 R)
• M11: 7,119,512 km (0.098 R)
• M12: 7,514,002 km (0.116 R)
• M13: 8,149,643 km (0.107 R)
• M14: 9,099,440 km (0.028 R)
• M15: 10,083,644 km (0.085 R)
• M16: 12,567,568 km (0.112 R)
• M17: 12,965,797 km (0.111 R)
• M18: 13,372,404 km (0.108 R)
• M19: 16,045,568 km (0.112 R)
• M20: 18,597,110 km (0.054 R)
• M21: 20,299,982 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.6

Radius: 14.4

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.85 AU - 3.93 AU

Year: 4954 Days

Day: 10.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,241,668 km

• M1: 179,218 km (0.12 R)
• M2: 688,449 km (0.077 R)
• M3: 1,190,649 km (0.105 R)
• M4: 2,088,536 km (0.065 R)
• M5: 2,543,164 km (0.025 R)
• M6: 4,017,750 km (0.092 R)
• M7: 4,551,515 km (0.101 R)
• M8: 5,384,476 km (0.119 R)
• M9: 5,913,305 km (0.057 R)
• M10: 7,389,836 km (0.096 R)
• M11: 7,970,425 km (0.075 R)
• M12: 10,157,995 km (0.097 R)
• M13: 11,015,490 km (0.041 R)
• M14: 12,978,363 km (0.104 R)
• M15: 17,083,628 km (0.098 R)
• M16: 19,979,394 km (0.097 R)
• M17: 23,573,632 km (0.097 R)
• M18: 24,515,650 km (0.09 R)
• M19: 25,646,161 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.8

Radius: 14.5

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.48 AU - 5.08 AU

Year: 5717 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,241,668 km

• M1: 180,415 km (0.089 R)
• M2: 1,065,436 km (0.108 R)
• M3: 1,635,703 km (0.074 R)
• M4: 2,199,238 km (0.049 R)
• M5: 2,988,517 km (0.066 R)
• M6: 3,570,752 km (0.113 R)
• M7: 4,719,813 km (0.077 R)
• M8: 5,278,561 km (0.097 R)
• M9: 5,912,557 km (0.119 R)
• M10: 6,429,567 km (0.083 R)
• M11: 9,099,141 km (0.046 R)
• M12: 10,563,106 km (0.102 R)
• M13: 15,591,988 km (0.088 R)
• M14: 17,419,475 km (0.097 R)
• M15: 17,881,284 km (0.107 R)
• M16: 18,486,856 km (0.076 R)
• M17: 20,532,308 km (0.101 R)
• M18: 24,488,723 km (0.091 R)
• M19: 26,084,633 km (0.037 R)
• M20: 27,039,666 km (0.058 R)
• M21: 28,927,441 km (0.058 R)
• M22: 29,950,690 km (0.11 R)
• M23: 32,864,259 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.7

Radius: 8.4

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.46 AU - 5.2 AU

Year: 5818 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,241,668 km

• M1: 104,419 km (0.047 R)
• M2: 377,585 km (0.043 R)
• M3: 1,254,827 km (0.103 R)
• M4: 1,593,217 km (0.062 R)
• M5: 2,144,934 km (0.043 R)
• M6: 2,544,211 km (0.092 R)
• M7: 3,277,689 km (0.093 R)
• M8: 3,762,835 km (0.087 R)
• M9: 6,459,337 km (0.109 R)
• M10: 7,852,542 km (0.074 R)
• M11: 8,844,675 km (0.086 R)
• M12: 9,918,189 km (0.078 R)
• M13: 12,686,647 km (0.097 R)
• M14: 13,438,227 km (0.084 R)
• M15: 13,713,786 km (0.1 R)
• M16: 14,049,334 km (0.116 R)
• M17: 15,148,131 km (0.085 R)
• M18: 16,303,326 km (0.059 R)
• M19: 22,972,249 km (0.105 R)
• M20: 26,945,868 km (0.108 R)
• M21: 28,366,150 km (0.117 R)
• M22: 29,835,500 km (0.046 R)
• M23: 30,684,019 km (0.059 R)
• M24: 30,970,499 km (0.106 R)
• M25: 33,831,558 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.3

Radius: 7.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.45 AU - 9.41 AU

Year: 15804 Days

Day: 23.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,241,668 km

• M1: 94,695 km (0.099 R)
• M2: 420,370 km (0.082 R)
• M3: 955,033 km (0.095 R)
• M4: 1,247,048 km (0.1 R)
• M5: 1,775,278 km (0.095 R)
• M6: 2,116,959 km (0.108 R)
• M7: 2,600,460 km (0.107 R)
• M8: 2,868,689 km (0.039 R)
• M9: 3,485,780 km (0.046 R)
• M10: 3,917,669 km (0.117 R)
• M11: 4,384,714 km (0.065 R)
• M12: 5,075,108 km (0.119 R)
• M13: 6,746,565 km (0.113 R)
• M14: 7,918,066 km (0.115 R)
• M15: 8,484,892 km (0.093 R)
• M16: 9,409,556 km (0.096 R)
• M17: 10,973,153 km (0.111 R)
• M18: 11,844,411 km (0.039 R)
• M19: 12,585,669 km (0.089 R)
• M20: 15,458,098 km (0.116 R)
• M21: 16,342,969 km (0.106 R)
• M22: 18,816,420 km (0.116 R)
• M23: 21,528,929 km (0.094 R)
• M24: 24,673,775 km (0.041 R)
• M25: 28,412,226 km (0.108 R)
• M26: 29,018,995 km (0.085 R)
• M27: 33,175,572 km (0.102 R)
• M28: 35,337,411 km (0.087 R)
• M29: 36,750,063 km (0.09 R)
• M30: 37,712,576 km (0.088 R)
• M31: 42,778,259 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.9

Radius: 5.3

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.35 AU - 9.71 AU

Year: 17521 Days

Day: 16.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,241,668 km

• M1: 67,319 km (0.038 R)
• M2: 249,080 km (0.114 R)
• M3: 528,679 km (0.118 R)
• M4: 725,849 km (0.086 R)
• M5: 1,575,565 km (0.073 R)
• M6: 1,759,570 km (0.114 R)
• M7: 3,257,194 km (0.108 R)
• M8: 3,661,857 km (0.028 R)
• M9: 3,986,933 km (0.063 R)
• M10: 4,272,366 km (0.084 R)
• M11: 5,587,331 km (0.117 R)
• M12: 6,055,273 km (0.093 R)
• M13: 9,933,299 km (0.049 R)
• M14: 10,511,644 km (0.059 R)
• M15: 12,084,366 km (0.107 R)
• M16: 12,561,135 km (0.106 R)
• M17: 13,299,550 km (0.062 R)
• M18: 14,328,634 km (0.047 R)
• M19: 15,548,604 km (0.109 R)
• M20: 15,758,490 km (0.091 R)
• M21: 17,885,622 km (0.087 R)
• M22: 18,819,263 km (0.116 R)
• M23: 22,610,073 km (0.1 R)
• M24: 23,700,791 km (0.068 R)
• M25: 24,446,985 km (0.119 R)
• M26: 24,921,360 km (0.082 R)
• M27: 26,980,724 km (0.094 R)
• M28: 27,589,288 km (0.061 R)
• M29: 28,103,456 km (0.117 R)
• M30: 30,660,532 km (0.071 R)
• M31: 32,791,704 km (0.112 R)
• M32: 35,622,245 km (0.109 R)
• M33: 35,987,114 km (0.071 R)
• M34: 46,227,687 km (0.083 R)
• M35: 46,661,820 km (0.105 R)
• M36: 47,391,409 km (0.088 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: 245 - 11,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit