🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.1

Radius: 8.6

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.92 AU - 2.08 AU

Year: 1886 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,594,348 km

• M1: 106,962 km (0.097 R)
• M2: 381,475 km (0.12 R)
• M3: 865,274 km (0.104 R)
• M4: 1,323,792 km (0.12 R)
• M5: 1,724,564 km (0.075 R)
• M6: 2,278,675 km (0.063 R)
• M7: 2,563,808 km (0.105 R)
• M8: 2,887,538 km (0.112 R)
• M9: 3,399,911 km (0.083 R)
• M10: 4,045,126 km (0.102 R)
• M11: 4,446,348 km (0.104 R)
• M12: 5,441,024 km (0.073 R)
• M13: 6,051,383 km (0.11 R)
• M14: 6,864,448 km (0.11 R)
• M15: 7,464,335 km (0.076 R)
• M16: 9,640,685 km (0.098 R)
• M17: 11,147,136 km (0.103 R)
• M18: 12,208,682 km (0.081 R)
• M19: 13,502,853 km (0.087 R)
• M20: 14,930,765 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.7

Radius: 15

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.8 AU - 2.9 AU

Year: 3208 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,594,348 km

• M1: 186,997 km (0.083 R)
• M2: 729,738 km (0.079 R)
• M3: 1,215,034 km (0.104 R)
• M4: 1,761,964 km (0.081 R)
• M5: 2,290,343 km (0.039 R)
• M6: 2,892,624 km (0.116 R)
• M7: 3,813,998 km (0.093 R)
• M8: 4,783,093 km (0.052 R)
• M9: 5,777,320 km (0.083 R)
• M10: 6,324,250 km (0.084 R)
• M11: 7,586,407 km (0.108 R)
• M12: 8,075,891 km (0.089 R)
• M13: 9,046,482 km (0.105 R)
• M14: 9,597,900 km (0.117 R)
• M15: 11,262,176 km (0.103 R)
• M16: 11,814,342 km (0.086 R)
• M17: 16,202,197 km (0.048 R)
• M18: 17,239,210 km (0.12 R)
• M19: 18,553,427 km (0.102 R)
• M20: 20,616,980 km (0.079 R)
• M21: 21,380,677 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.7

Radius: 14.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.75 AU - 4.21 AU

Year: 4329 Days

Day: 8.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,594,348 km

• M1: 185,352 km (0.062 R)
• M2: 1,013,675 km (0.112 R)
• M3: 1,488,499 km (0.113 R)
• M4: 1,970,054 km (0.092 R)
• M5: 3,169,380 km (0.082 R)
• M6: 4,071,306 km (0.05 R)
• M7: 5,242,209 km (0.087 R)
• M8: 8,033,854 km (0.03 R)
• M9: 9,051,569 km (0.094 R)
• M10: 11,037,780 km (0.111 R)
• M11: 16,360,771 km (0.119 R)
• M12: 16,990,129 km (0.1 R)
• M13: 23,260,973 km (0.108 R)
• M14: 25,628,509 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.2

Radius: 13.1

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.04 AU - 4.2 AU

Year: 4593 Days

Day: 14.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,594,348 km

• M1: 162,912 km (0.112 R)
• M2: 792,570 km (0.083 R)
• M3: 1,215,483 km (0.039 R)
• M4: 1,663,080 km (0.086 R)
• M5: 2,179,491 km (0.062 R)
• M6: 4,408,799 km (0.117 R)
• M7: 5,305,189 km (0.075 R)
• M8: 5,741,117 km (0.04 R)
• M9: 6,623,446 km (0.104 R)
• M10: 7,097,521 km (0.119 R)
• M11: 7,594,336 km (0.116 R)
• M12: 9,657,739 km (0.051 R)
• M13: 12,926,453 km (0.081 R)
• M14: 16,870,451 km (0.1 R)
• M15: 18,366,729 km (0.072 R)
• M16: 21,828,723 km (0.109 R)
• M17: 24,414,522 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.5

Radius: 9

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.46 AU - 5.08 AU

Year: 5884 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,594,348 km

• M1: 114,592 km (0.098 R)
• M2: 554,859 km (0.111 R)
• M3: 861,235 km (0.101 R)
• M4: 2,481,679 km (0.089 R)
• M5: 3,243,132 km (0.103 R)
• M6: 3,678,312 km (0.11 R)
• M7: 4,152,238 km (0.054 R)
• M8: 7,411,228 km (0.099 R)
• M9: 9,442,468 km (0.071 R)
• M10: 10,470,056 km (0.077 R)
• M11: 12,123,262 km (0.085 R)
• M12: 14,169,013 km (0.11 R)
• M13: 18,931,760 km (0.086 R)
• M14: 19,347,941 km (0.062 R)
• M15: 22,126,722 km (0.097 R)
• M16: 24,500,541 km (0.119 R)
• M17: 25,833,607 km (0.109 R)
• M18: 26,517,868 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.8

Radius: 9.6

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.98 AU - 5.4 AU

Year: 6773 Days

Day: 6 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,594,348 km

• M1: 120,426 km (0.087 R)
• M2: 564,134 km (0.048 R)
• M3: 1,083,388 km (0.104 R)
• M4: 1,753,287 km (0.084 R)
• M5: 2,416,305 km (0.11 R)
• M6: 2,876,917 km (0.116 R)
• M7: 3,511,062 km (0.077 R)
• M8: 4,156,278 km (0.11 R)
• M9: 5,585,237 km (0.051 R)
• M10: 6,429,118 km (0.073 R)
• M11: 7,551,102 km (0.093 R)
• M12: 8,200,506 km (0.073 R)
• M13: 10,619,953 km (0.074 R)
• M14: 11,383,052 km (0.08 R)
• M15: 11,698,404 km (0.067 R)
• M16: 13,538,159 km (0.053 R)
• M17: 17,642,077 km (0.038 R)
• M18: 19,523,121 km (0.069 R)
• M19: 19,899,658 km (0.079 R)
• M20: 22,017,216 km (0.095 R)
• M21: 22,755,332 km (0.111 R)
• M22: 25,963,907 km (0.087 R)
• M23: 26,419,433 km (0.106 R)
• M24: 26,787,593 km (0.074 R)
• M25: 31,170,063 km (0.093 R)
• M26: 31,581,307 km (0.083 R)
• M27: 33,584,423 km (0.108 R)
• M28: 36,008,058 km (0.047 R)
• M29: 37,842,128 km (0.098 R)
• M30: 39,617,555 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.8

Radius: 7

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.33 AU - 8.21 AU

Year: 13072 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,594,348 km

• M1: 87,365 km (0.056 R)
• M2: 307,872 km (0.054 R)
• M3: 567,126 km (0.061 R)
• M4: 1,645,277 km (0.116 R)
• M5: 1,972,298 km (0.114 R)
• M6: 2,670,771 km (0.042 R)
• M7: 2,959,943 km (0.112 R)
• M8: 3,628,197 km (0.118 R)
• M9: 3,927,692 km (0.037 R)
• M10: 4,959,169 km (0.069 R)
• M11: 5,935,595 km (0.086 R)
• M12: 6,313,629 km (0.118 R)
• M13: 7,853,589 km (0.096 R)
• M14: 8,496,561 km (0.093 R)
• M15: 10,311,033 km (0.113 R)
• M16: 10,913,464 km (0.085 R)
• M17: 11,481,038 km (0.105 R)
• M18: 12,923,760 km (0.119 R)
• M19: 13,366,420 km (0.073 R)
• M20: 17,893,701 km (0.108 R)
• M21: 18,443,622 km (0.043 R)
• M22: 20,928,593 km (0.106 R)
• M23: 24,770,116 km (0.052 R)
• M24: 28,099,566 km (0.115 R)
• M25: 28,949,432 km (0.06 R)
• M26: 32,405,143 km (0.108 R)
• M27: 37,003,931 km (0.105 R)
• M28: 38,282,694 km (0.1 R)
• M29: 38,802,397 km (0.114 R)
• M30: 40,255,740 km (0.104 R)
• M31: 44,118,207 km (0.114 R)
• M32: 46,875,446 km (0.091 R)
• M33: 48,069,985 km (0.096 R)
• M34: 51,933,649 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.9

Radius: 7.4

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.41 AU - 10.15 AU

Year: 17349 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,594,348 km

• M1: 92,003 km (0.088 R)
• M2: 329,115 km (0.1 R)
• M3: 984,354 km (0.117 R)
• M4: 1,453,643 km (0.096 R)
• M5: 5,503,257 km (0.084 R)
• M6: 5,807,988 km (0.111 R)
• M7: 6,083,846 km (0.027 R)
• M8: 18,693,451 km (0.072 R)
• M9: 22,699,532 km (0.11 R)
• M10: 25,631,800 km (0.081 R)
• M11: 36,323,111 km (0.111 R)
• M12: 54,722,004 km (0.109 R)
• M13: 55,776,968 km (0.097 R)
• M14: 60,319,357 km (0.119 R)
• M15: 62,584,718 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.4

Radius: 6.2

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.35 AU - 11.39 AU

Year: 19127 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,594,348 km

• M1: 110,852 km (0.098 R)
• M2: 320,439 km (0.058 R)
• M3: 633,697 km (0.109 R)
• M4: 2,006,257 km (0.117 R)
• M5: 2,255,188 km (0.065 R)
• M6: 4,440,663 km (0.045 R)
• M7: 8,542,338 km (0.058 R)
• M8: 8,913,640 km (0.117 R)
• M9: 11,042,417 km (0.036 R)
• M10: 12,696,072 km (0.118 R)
• M11: 15,441,791 km (0.115 R)
• M12: 17,950,099 km (0.045 R)
• M13: 18,253,035 km (0.108 R)
• M14: 19,103,648 km (0.085 R)
• M15: 24,398,515 km (0.088 R)
• M16: 27,983,030 km (0.094 R)
• M17: 31,135,356 km (0.097 R)
• M18: 31,572,780 km (0.095 R)
• M19: 38,887,667 km (0.066 R)
• M20: 39,140,787 km (0.118 R)
• M21: 46,255,662 km (0.072 R)
• M22: 46,968,196 km (0.073 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 13,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit