🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 12.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.68 AU - 0.8 AU

Year: 411 Days

Day: 9.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 174.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,247,809 km

• M1: 160,369 km (0.112 R)
• M2: 569,220 km (0.08 R)
• M3: 1,273,377 km (0.089 R)
• M4: 1,683,724 km (0.119 R)
• M5: 2,112,023 km (0.038 R)
• M6: 2,564,407 km (0.047 R)
• M7: 3,214,409 km (0.096 R)
• M8: 3,647,196 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 13.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.66 AU - 0.84 AU

Year: 419 Days

Day: 11.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,247,809 km

• M1: 162,912 km (0.098 R)
• M2: 611,406 km (0.077 R)
• M3: 1,026,840 km (0.07 R)
• M4: 1,462,918 km (0.09 R)
• M5: 1,975,440 km (0.074 R)
• M6: 2,572,784 km (0.05 R)
• M7: 3,098,022 km (0.073 R)
• M8: 3,683,399 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.4

Radius: 13.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.01 AU - 1.43 AU

Year: 870 Days

Day: 11.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,247,809 km

• M1: 163,810 km (0.118 R)
• M2: 575,204 km (0.109 R)
• M3: 1,839,755 km (0.051 R)
• M4: 2,341,655 km (0.077 R)
• M5: 3,434,468 km (0.096 R)
• M6: 4,127,256 km (0.108 R)
• M7: 6,885,840 km (0.088 R)
• M8: 7,727,179 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593

Radius: 8.8

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.94 AU - 2.9 AU

Year: 2431 Days

Day: 6.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,247,809 km

• M1: 109,506 km (0.112 R)
• M2: 438,471 km (0.04 R)
• M3: 786,286 km (0.027 R)
• M4: 1,118,543 km (0.081 R)
• M5: 1,626,129 km (0.053 R)
• M6: 2,177,098 km (0.042 R)
• M7: 2,567,249 km (0.099 R)
• M8: 2,847,745 km (0.115 R)
• M9: 3,384,353 km (0.104 R)
• M10: 4,025,380 km (0.11 R)
• M11: 4,364,817 km (0.085 R)
• M12: 4,832,460 km (0.063 R)
• M13: 6,820,317 km (0.101 R)
• M14: 8,119,724 km (0.078 R)
• M15: 8,468,885 km (0.114 R)
• M16: 10,002,862 km (0.112 R)
• M17: 10,367,581 km (0.06 R)
• M18: 13,969,300 km (0.097 R)
• M19: 14,333,271 km (0.114 R)
• M20: 16,398,919 km (0.077 R)
• M21: 17,060,590 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.1

Radius: 9.1

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.12 AU - 4.52 AU

Year: 4821 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,247,809 km

• M1: 113,395 km (0.064 R)
• M2: 468,391 km (0.076 R)
• M3: 761,154 km (0.057 R)
• M4: 1,126,472 km (0.091 R)
• M5: 1,415,345 km (0.079 R)
• M6: 1,754,334 km (0.07 R)
• M7: 2,147,627 km (0.106 R)
• M8: 2,446,524 km (0.097 R)
• M9: 4,384,714 km (0.069 R)
• M10: 4,761,401 km (0.104 R)
• M11: 5,182,369 km (0.108 R)
• M12: 5,484,557 km (0.102 R)
• M13: 5,922,580 km (0.106 R)
• M14: 6,331,281 km (0.108 R)
• M15: 7,063,712 km (0.067 R)
• M16: 9,463,412 km (0.069 R)
• M17: 10,022,908 km (0.067 R)
• M18: 11,636,022 km (0.113 R)
• M19: 13,242,703 km (0.045 R)
• M20: 13,545,938 km (0.097 R)
• M21: 14,529,544 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 8.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.91 AU - 4.83 AU

Year: 4916 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,247,809 km

• M1: 109,655 km (0.115 R)
• M2: 382,971 km (0.089 R)
• M3: 705,204 km (0.116 R)
• M4: 1,168,060 km (0.07 R)
• M5: 1,512,434 km (0.097 R)
• M6: 2,335,522 km (0.087 R)
• M7: 2,922,993 km (0.101 R)
• M8: 3,931,881 km (0.099 R)
• M9: 5,519,264 km (0.054 R)
• M10: 6,122,891 km (0.065 R)
• M11: 7,858,675 km (0.1 R)
• M12: 9,022,996 km (0.089 R)
• M13: 9,978,776 km (0.058 R)
• M14: 11,212,959 km (0.092 R)
• M15: 11,690,026 km (0.069 R)
• M16: 12,918,524 km (0.093 R)
• M17: 14,687,669 km (0.12 R)
• M18: 15,899,112 km (0.096 R)
• M19: 16,557,044 km (0.077 R)
• M20: 18,459,779 km (0.085 R)
• M21: 18,881,495 km (0.099 R)
• M22: 19,309,495 km (0.083 R)
• M23: 20,826,417 km (0.106 R)
• M24: 22,082,441 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.8

Radius: 8

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.18 AU - 6.96 AU

Year: 8488 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,247,809 km

• M1: 99,483 km (0.056 R)
• M2: 545,284 km (0.111 R)
• M3: 1,027,737 km (0.117 R)
• M4: 1,421,180 km (0.098 R)
• M5: 1,960,779 km (0.031 R)
• M6: 2,233,646 km (0.088 R)
• M7: 2,590,736 km (0.107 R)
• M8: 2,985,674 km (0.08 R)
• M9: 3,278,587 km (0.071 R)
• M10: 5,168,906 km (0.092 R)
• M11: 6,399,947 km (0.116 R)
• M12: 7,899,964 km (0.062 R)
• M13: 8,463,200 km (0.112 R)
• M14: 9,914,000 km (0.093 R)
• M15: 10,162,782 km (0.04 R)
• M16: 10,986,617 km (0.066 R)
• M17: 17,459,867 km (0.077 R)
• M18: 19,326,399 km (0.067 R)
• M19: 20,029,809 km (0.093 R)
• M20: 20,831,204 km (0.06 R)
• M21: 23,276,082 km (0.116 R)
• M22: 27,634,467 km (0.113 R)
• M23: 28,526,968 km (0.115 R)
• M24: 28,929,685 km (0.074 R)
• M25: 31,319,511 km (0.092 R)
• M26: 36,843,562 km (0.055 R)
• M27: 37,321,378 km (0.115 R)
• M28: 39,273,480 km (0.117 R)
• M29: 39,647,026 km (0.116 R)
• M30: 41,292,902 km (0.115 R)
• M31: 45,674,474 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.4

Radius: 3.6

Gravity: 20.71 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.38 AU - 9.18 AU

Year: 16798 Days

Day: 16 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,247,809 km

• M1: 44,879 km (0.098 R)
• M2: 161,267 km (0.049 R)
• M3: 288,125 km (0.088 R)
• M4: 435,031 km (0.092 R)
• M5: 800,049 km (0.096 R)
• M6: 1,008,738 km (0.107 R)
• M7: 1,167,163 km (0.083 R)
• M8: 1,991,148 km (0.045 R)
• M9: 2,186,223 km (0.088 R)
• M10: 3,482,788 km (0.117 R)
• M11: 5,185,960 km (0.093 R)
• M12: 5,419,183 km (0.039 R)
• M13: 5,978,380 km (0.059 R)
• M14: 7,007,613 km (0.081 R)
• M15: 8,373,741 km (0.104 R)
• M16: 9,312,318 km (0.098 R)
• M17: 9,557,509 km (0.086 R)
• M18: 10,266,902 km (0.11 R)
• M19: 11,676,114 km (0.114 R)
• M20: 12,076,587 km (0.119 R)
• M21: 18,221,469 km (0.108 R)
• M22: 19,150,771 km (0.078 R)
• M23: 20,111,190 km (0.084 R)
• M24: 23,725,624 km (0.095 R)
• M25: 24,552,601 km (0.118 R)
• M26: 27,348,286 km (0.097 R)
• M27: 29,395,234 km (0.085 R)
• M28: 42,635,842 km (0.098 R)
• M29: 43,719,679 km (0.115 R)
• M30: 45,100,317 km (0.051 R)
• M31: 47,369,119 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.3

Radius: 6.5

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.9 AU - 10.98 AU

Year: 20235 Days

Day: 20.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,247,809 km

• M1: 81,232 km (0.094 R)
• M2: 295,157 km (0.098 R)
• M3: 647,908 km (0.074 R)
• M4: 872,006 km (0.098 R)
• M5: 1,382,883 km (0.113 R)
• M6: 3,005,421 km (0.076 R)
• M7: 4,214,920 km (0.106 R)
• M8: 5,464,212 km (0.052 R)
• M9: 6,173,755 km (0.081 R)
• M10: 9,168,405 km (0.119 R)
• M11: 9,373,055 km (0.045 R)
• M12: 11,709,624 km (0.086 R)
• M13: 12,504,886 km (0.066 R)
• M14: 15,320,916 km (0.081 R)
• M15: 20,819,685 km (0.037 R)
• M16: 21,712,186 km (0.113 R)
• M17: 22,076,307 km (0.088 R)
• M18: 22,352,016 km (0.09 R)
• M19: 23,098,360 km (0.114 R)
• M20: 29,014,806 km (0.104 R)
• M21: 30,466,803 km (0.103 R)
• M22: 31,383,988 km (0.055 R)
• M23: 33,033,304 km (0.052 R)
• M24: 35,488,504 km (0.104 R)
• M25: 37,668,744 km (0.111 R)
• M26: 38,591,912 km (0.062 R)
• M27: 46,226,640 km (0.106 R)
• M28: 49,291,750 km (0.076 R)
• M29: 57,541,923 km (0.037 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.8

Radius: 4.3

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.91 AU - 12.39 AU

Year: 22441 Days

Day: 15.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 150.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,247,809 km

• M1: 66,272 km (0.086 R)
• M2: 250,876 km (0.116 R)
• M3: 432,787 km (0.09 R)
• M4: 879,935 km (0.087 R)
• M5: 1,286,990 km (0.11 R)
• M6: 2,091,378 km (0.09 R)
• M7: 3,260,336 km (0.06 R)
• M8: 4,428,396 km (0.096 R)
• M9: 5,346,777 km (0.087 R)
• M10: 5,594,811 km (0.115 R)
• M11: 6,952,112 km (0.113 R)
• M12: 17,722,710 km (0.112 R)
• M13: 18,194,691 km (0.045 R)
• M14: 21,824,385 km (0.026 R)
• M15: 40,205,325 km (0.041 R)
• M16: 45,253,805 km (0.101 R)
• M17: 46,430,242 km (0.047 R)
• M18: 49,460,497 km (0.119 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: 507 - 11,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit