🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.8

Radius: 9.4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.15 AU - 1.77 AU

Year: 1157 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,905,696 km

• M1: 116,836 km (0.11 R)
• M2: 478,564 km (0.07 R)
• M3: 1,040,902 km (0.104 R)
• M4: 1,397,244 km (0.065 R)
• M5: 2,099,457 km (0.082 R)
• M6: 2,398,503 km (0.079 R)
• M7: 3,415,319 km (0.067 R)
• M8: 4,296,002 km (0.11 R)
• M9: 4,597,591 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49

Radius: 11.8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.64 AU - 2.54 AU

Year: 1982 Days

Day: 12.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,905,696 km

• M1: 146,756 km (0.074 R)
• M2: 874,100 km (0.083 R)
• M3: 2,647,733 km (0.052 R)
• M4: 3,421,902 km (0.032 R)
• M5: 5,316,559 km (0.116 R)
• M6: 5,983,167 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.2

Radius: 14.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.64 AU - 2.54 AU

Year: 1982 Days

Day: 5.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,905,696 km

• M1: 184,604 km (0.105 R)
• M2: 653,743 km (0.09 R)
• M3: 1,157,738 km (0.111 R)
• M4: 2,246,511 km (0.106 R)
• M5: 2,935,110 km (0.098 R)
• M6: 3,554,445 km (0.105 R)
• M7: 4,241,100 km (0.069 R)
• M8: 6,076,815 km (0.07 R)
• M9: 6,635,264 km (0.081 R)
• M10: 7,311,297 km (0.119 R)
• M11: 8,550,865 km (0.11 R)
• M12: 9,995,382 km (0.032 R)
• M13: 11,219,092 km (0.045 R)
• M14: 13,406,961 km (0.107 R)
• M15: 13,876,549 km (0.073 R)
• M16: 14,579,360 km (0.105 R)
• M17: 15,305,807 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.8

Radius: 10

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.67 AU - 2.97 AU

Year: 3107 Days

Day: 5 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,905,696 km

• M1: 124,465 km (0.082 R)
• M2: 543,040 km (0.116 R)
• M3: 1,183,319 km (0.086 R)
• M4: 1,558,810 km (0.098 R)
• M5: 1,873,564 km (0.071 R)
• M6: 2,964,581 km (0.066 R)
• M7: 3,570,004 km (0.082 R)
• M8: 4,322,481 km (0.071 R)
• M9: 4,808,076 km (0.089 R)
• M10: 5,806,941 km (0.065 R)
• M11: 6,785,610 km (0.039 R)
• M12: 7,572,943 km (0.089 R)
• M13: 9,328,624 km (0.095 R)
• M14: 9,787,590 km (0.106 R)
• M15: 10,221,275 km (0.104 R)
• M16: 13,577,952 km (0.107 R)
• M17: 14,469,106 km (0.11 R)
• M18: 15,346,049 km (0.062 R)
• M19: 16,643,810 km (0.088 R)
• M20: 19,456,849 km (0.076 R)
• M21: 21,105,716 km (0.089 R)
• M22: 22,098,448 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.5

Radius: 11.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.74 AU - 4.78 AU

Year: 6813 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,905,696 km

• M1: 147,952 km (0.117 R)
• M2: 530,025 km (0.116 R)
• M3: 1,357,002 km (0.115 R)
• M4: 2,024,807 km (0.086 R)
• M5: 2,531,196 km (0.068 R)
• M6: 2,941,094 km (0.106 R)
• M7: 3,685,792 km (0.106 R)
• M8: 9,247,392 km (0.093 R)
• M9: 11,528,311 km (0.056 R)
• M10: 12,139,718 km (0.051 R)
• M11: 12,772,517 km (0.088 R)
• M12: 13,261,552 km (0.098 R)
• M13: 16,335,788 km (0.036 R)
• M14: 19,928,830 km (0.09 R)
• M15: 21,034,358 km (0.066 R)
• M16: 22,336,159 km (0.12 R)
• M17: 24,763,534 km (0.119 R)
• M18: 27,272,290 km (0.097 R)
• M19: 29,472,875 km (0.091 R)
• M20: 33,604,918 km (0.066 R)
• M21: 35,701,981 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 14.5

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.08 AU - 6.06 AU

Year: 7489 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,905,696 km

• M1: 186,549 km (0.071 R)
• M2: 780,003 km (0.083 R)
• M3: 1,378,245 km (0.114 R)
• M4: 2,298,721 km (0.09 R)
• M5: 2,908,033 km (0.108 R)
• M6: 3,624,158 km (0.076 R)
• M7: 4,596,694 km (0.118 R)
• M8: 5,379,689 km (0.119 R)
• M9: 5,938,736 km (0.118 R)
• M10: 7,058,476 km (0.095 R)
• M11: 8,618,184 km (0.066 R)
• M12: 9,201,466 km (0.076 R)
• M13: 11,215,951 km (0.114 R)
• M14: 12,076,887 km (0.106 R)
• M15: 12,923,610 km (0.116 R)
• M16: 13,991,590 km (0.075 R)
• M17: 15,053,585 km (0.088 R)
• M18: 18,859,654 km (0.034 R)
• M19: 20,468,729 km (0.113 R)
• M20: 24,934,524 km (0.063 R)
• M21: 26,214,633 km (0.054 R)
• M22: 28,510,512 km (0.101 R)
• M23: 29,204,646 km (0.086 R)
• M24: 32,415,315 km (0.094 R)
• M25: 36,315,182 km (0.114 R)
• M26: 37,013,804 km (0.081 R)
• M27: 38,198,021 km (0.081 R)
• M28: 40,517,536 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.9

Radius: 11.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.86 AU - 6.86 AU

Year: 9306 Days

Day: 11.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,905,696 km

• M1: 141,819 km (0.088 R)
• M2: 499,358 km (0.09 R)
• M3: 893,249 km (0.1 R)
• M4: 2,022,414 km (0.048 R)
• M5: 2,469,262 km (0.059 R)
• M6: 3,909,292 km (0.087 R)
• M7: 5,327,180 km (0.103 R)
• M8: 6,187,966 km (0.112 R)
• M9: 8,701,061 km (0.043 R)
• M10: 9,515,771 km (0.037 R)
• M11: 10,579,561 km (0.118 R)
• M12: 12,885,613 km (0.115 R)
• M13: 13,703,763 km (0.094 R)
• M14: 15,059,120 km (0.033 R)
• M15: 17,536,910 km (0.115 R)
• M16: 18,835,569 km (0.11 R)
• M17: 19,508,460 km (0.092 R)
• M18: 22,278,713 km (0.1 R)
• M19: 28,783,229 km (0.087 R)
• M20: 30,587,529 km (0.11 R)
• M21: 32,786,318 km (0.099 R)
• M22: 34,864,681 km (0.096 R)
• M23: 37,967,341 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.9

Radius: 6.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.23 AU - 11.31 AU

Year: 18515 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,905,696 km

• M1: 86,767 km (0.117 R)
• M2: 365,168 km (0.102 R)
• M3: 2,046,948 km (0.117 R)
• M4: 3,945,045 km (0.119 R)
• M5: 6,755,541 km (0.071 R)
• M6: 8,566,124 km (0.049 R)
• M7: 10,162,483 km (0.065 R)
• M8: 23,773,495 km (0.106 R)
• M9: 24,451,622 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.7

Radius: 6.3

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.91 AU - 10.31 AU

Year: 21088 Days

Day: 20 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,905,696 km

• M1: 78,389 km (0.115 R)
• M2: 655,388 km (0.032 R)
• M3: 1,211,593 km (0.083 R)
• M4: 1,408,913 km (0.107 R)
• M5: 2,325,948 km (0.062 R)
• M6: 2,655,362 km (0.08 R)
• M7: 4,234,517 km (0.068 R)
• M8: 5,642,383 km (0.104 R)
• M9: 7,864,809 km (0.058 R)
• M10: 9,755,427 km (0.094 R)
• M11: 11,115,271 km (0.097 R)
• M12: 11,870,142 km (0.064 R)
• M13: 30,788,439 km (0.108 R)
• M14: 33,683,905 km (0.11 R)
• M15: 35,629,126 km (0.099 R)
• M16: 36,882,308 km (0.053 R)
• M17: 39,609,028 km (0.114 R)
• M18: 41,362,764 km (0.081 R)
• M19: 49,819,831 km (0.106 R)
• M20: 51,385,522 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.3

Radius: 5.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.52 AU - 12.28 AU

Year: 22002 Days

Day: 20.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,905,696 km

• M1: 67,319 km (0.105 R)
• M2: 669,600 km (0.086 R)
• M3: 1,513,631 km (0.061 R)
• M4: 1,684,622 km (0.119 R)
• M5: 2,152,713 km (0.066 R)
• M6: 2,503,820 km (0.068 R)
• M7: 3,463,191 km (0.115 R)
• M8: 7,735,257 km (0.118 R)
• M9: 8,031,162 km (0.096 R)
• M10: 9,577,555 km (0.11 R)
• M11: 11,258,137 km (0.096 R)
• M12: 13,547,284 km (0.056 R)
• M13: 14,227,356 km (0.117 R)
• M14: 15,256,888 km (0.036 R)
• M15: 18,342,494 km (0.071 R)
• M16: 20,189,130 km (0.085 R)
• M17: 22,925,724 km (0.074 R)
• M18: 26,371,861 km (0.066 R)
• M19: 29,734,522 km (0.118 R)
• M20: 34,723,760 km (0.087 R)
• M21: 42,683,863 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 17,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit