🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.6

Radius: 11.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.12 AU - 1.18 AU

Year: 796 Days

Day: 14.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,695,629 km

• M1: 145,409 km (0.07 R)
• M2: 596,596 km (0.106 R)
• M3: 1,041,052 km (0.064 R)
• M4: 1,655,600 km (0.053 R)
• M5: 2,844,604 km (0.113 R)
• M6: 4,014,010 km (0.047 R)
• M7: 5,586,583 km (0.116 R)
• M8: 6,412,962 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.7

Radius: 8.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.12 AU - 1.66 AU

Year: 1058 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 78.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,695,629 km

• M1: 100,679 km (0.113 R)
• M2: 391,198 km (0.092 R)
• M3: 674,088 km (0.07 R)
• M4: 1,269,787 km (0.058 R)
• M5: 2,076,568 km (0.076 R)
• M6: 2,527,905 km (0.051 R)
• M7: 2,856,571 km (0.1 R)
• M8: 3,238,345 km (0.1 R)
• M9: 4,560,341 km (0.053 R)
• M10: 5,792,280 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732

Radius: 12.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.84 AU - 2.8 AU

Year: 2282 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,695,629 km

• M1: 155,582 km (0.066 R)
• M2: 784,042 km (0.072 R)
• M3: 1,240,017 km (0.085 R)
• M4: 1,711,400 km (0.111 R)
• M5: 2,187,121 km (0.083 R)
• M6: 3,257,045 km (0.105 R)
• M7: 3,806,219 km (0.12 R)
• M8: 5,371,312 km (0.062 R)
• M9: 5,784,950 km (0.098 R)
• M10: 6,512,743 km (0.115 R)
• M11: 8,341,727 km (0.115 R)
• M12: 10,195,394 km (0.097 R)
• M13: 10,870,230 km (0.098 R)
• M14: 12,267,923 km (0.103 R)
• M15: 13,293,416 km (0.09 R)
• M16: 15,369,087 km (0.06 R)
• M17: 16,816,297 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 10.1

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.43 AU - 2.83 AU

Year: 2754 Days

Day: 10.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,695,629 km

• M1: 125,662 km (0.082 R)
• M2: 819,796 km (0.044 R)
• M3: 1,189,153 km (0.072 R)
• M4: 1,582,147 km (0.086 R)
• M5: 2,009,548 km (0.083 R)
• M6: 2,589,689 km (0.081 R)
• M7: 2,978,942 km (0.114 R)
• M8: 3,815,344 km (0.117 R)
• M9: 4,365,864 km (0.118 R)
• M10: 7,144,346 km (0.083 R)
• M11: 8,847,667 km (0.098 R)
• M12: 10,281,862 km (0.089 R)
• M13: 11,778,140 km (0.073 R)
• M14: 12,807,074 km (0.066 R)
• M15: 14,788,198 km (0.1 R)
• M16: 15,825,360 km (0.072 R)
• M17: 16,965,745 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 10.9

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.79 AU - 6.19 AU

Year: 7197 Days

Day: 11.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 136.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,695,629 km

• M1: 135,536 km (0.109 R)
• M2: 611,107 km (0.103 R)
• M3: 1,053,767 km (0.12 R)
• M4: 1,546,094 km (0.101 R)
• M5: 1,938,938 km (0.089 R)
• M6: 2,414,061 km (0.063 R)
• M7: 2,773,245 km (0.099 R)
• M8: 3,321,073 km (0.104 R)
• M9: 4,140,271 km (0.038 R)
• M10: 5,327,479 km (0.115 R)
• M11: 8,398,424 km (0.117 R)
• M12: 9,192,640 km (0.087 R)
• M13: 9,790,133 km (0.103 R)
• M14: 10,160,837 km (0.111 R)
• M15: 10,540,965 km (0.037 R)
• M16: 12,346,911 km (0.081 R)
• M17: 13,727,998 km (0.113 R)
• M18: 14,883,492 km (0.104 R)
• M19: 18,928,469 km (0.073 R)
• M20: 19,440,393 km (0.095 R)
• M21: 19,830,395 km (0.066 R)
• M22: 21,374,095 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.5

Radius: 6.5

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.44 AU - 9.64 AU

Year: 14720 Days

Day: 19 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,695,629 km

• M1: 96,790 km (0.117 R)
• M2: 354,397 km (0.114 R)
• M3: 1,162,525 km (0.068 R)
• M4: 1,424,920 km (0.072 R)
• M5: 2,437,697 km (0.088 R)
• M6: 4,550,767 km (0.118 R)
• M7: 5,064,786 km (0.062 R)
• M8: 6,248,703 km (0.119 R)
• M9: 9,472,388 km (0.106 R)
• M10: 12,646,555 km (0.069 R)
• M11: 14,435,895 km (0.12 R)
• M12: 18,003,505 km (0.087 R)
• M13: 23,885,544 km (0.088 R)
• M14: 30,336,653 km (0.118 R)
• M15: 36,371,431 km (0.09 R)
• M16: 36,638,912 km (0.078 R)
• M17: 44,367,587 km (0.108 R)
• M18: 47,167,161 km (0.119 R)
• M19: 47,965,116 km (0.112 R)
• M20: 48,610,033 km (0.114 R)
• M21: 51,583,739 km (0.103 R)
• M22: 55,557,208 km (0.065 R)
• M23: 57,346,549 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.4

Radius: 8

Gravity: 15.05 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.45 AU - 9.27 AU

Year: 17028 Days

Day: 22.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 49,695,629 km

• M1: 99,632 km (0.117 R)
• M2: 538,104 km (0.097 R)
• M3: 936,333 km (0.114 R)
• M4: 1,382,584 km (0.109 R)
• M5: 1,869,973 km (0.048 R)
• M6: 2,356,017 km (0.06 R)
• M7: 3,239,991 km (0.089 R)
• M8: 4,068,464 km (0.112 R)
• M9: 4,498,109 km (0.107 R)
• M10: 5,765,801 km (0.09 R)
• M11: 6,525,908 km (0.088 R)
• M12: 8,557,597 km (0.114 R)
• M13: 9,097,346 km (0.115 R)
• M14: 10,364,589 km (0.111 R)
• M15: 11,293,442 km (0.094 R)
• M16: 12,411,986 km (0.037 R)
• M17: 12,893,541 km (0.11 R)
• M18: 13,820,599 km (0.078 R)
• M19: 15,410,974 km (0.104 R)
• M20: 16,785,031 km (0.069 R)
• M21: 18,861,300 km (0.059 R)
• M22: 20,813,552 km (0.048 R)
• M23: 23,102,100 km (0.086 R)
• M24: 24,253,704 km (0.091 R)
• M25: 29,607,812 km (0.1 R)
• M26: 33,805,379 km (0.099 R)
• M27: 34,205,553 km (0.111 R)
• M28: 35,837,965 km (0.118 R)
• M29: 36,254,146 km (0.112 R)
• M30: 38,527,884 km (0.116 R)
• M31: 40,744,476 km (0.041 R)
• M32: 43,044,543 km (0.102 R)
• M33: 44,945,932 km (0.111 R)
• M34: 46,080,483 km (0.096 R)
• M35: 51,335,557 km (0.119 R)
• M36: 57,733,109 km (0.105 R)
• M37: 59,073,357 km (0.059 R)
• M38: 60,826,793 km (0.103 R)
• M39: 68,827,437 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258

Radius: 3.5

Gravity: 21.06 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.96 AU - 9.88 AU

Year: 17201 Days

Day: 15.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,695,629 km

• M1: 45,328 km (0.051 R)
• M2: 176,825 km (0.112 R)
• M3: 509,979 km (0.108 R)
• M4: 1,156,990 km (0.062 R)
• M5: 1,595,461 km (0.095 R)
• M6: 2,703,982 km (0.102 R)
• M7: 3,173,868 km (0.095 R)
• M8: 4,751,528 km (0.046 R)
• M9: 5,003,600 km (0.097 R)
• M10: 5,133,002 km (0.07 R)
• M11: 5,264,648 km (0.098 R)
• M12: 9,781,457 km (0.035 R)
• M13: 11,819,877 km (0.101 R)
• M14: 12,577,441 km (0.113 R)
• M15: 14,976,991 km (0.072 R)
• M16: 15,586,901 km (0.113 R)
• M17: 22,098,747 km (0.104 R)
• M18: 22,888,474 km (0.103 R)
• M19: 31,735,393 km (0.104 R)
• M20: 33,995,518 km (0.04 R)
• M21: 36,846,554 km (0.081 R)
• M22: 39,213,491 km (0.096 R)
• M23: 41,415,572 km (0.086 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 15,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit