🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 8.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.76 AU - 1.2 AU

Year: 670 Days

Day: 7.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,840,216 km

• M1: 107,112 km (0.05 R)
• M2: 404,961 km (0.074 R)
• M3: 994,377 km (0.065 R)
• M4: 1,443,619 km (0.072 R)
• M5: 1,992,943 km (0.111 R)
• M6: 2,411,518 km (0.086 R)
• M7: 2,789,851 km (0.112 R)
• M8: 3,820,430 km (0.075 R)
• M9: 4,271,169 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.5

Radius: 9.6

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.76 AU - 1.22 AU

Year: 680 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,840,216 km

• M1: 119,379 km (0.055 R)
• M2: 458,817 km (0.094 R)
• M3: 787,932 km (0.103 R)
• M4: 1,487,601 km (0.082 R)
• M5: 1,815,969 km (0.097 R)
• M6: 2,202,679 km (0.115 R)
• M7: 3,230,865 km (0.098 R)
• M8: 3,705,390 km (0.037 R)
• M9: 6,084,445 km (0.034 R)
• M10: 6,582,306 km (0.102 R)
• M11: 7,193,862 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.6

Radius: 8.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.18 AU - 1.84 AU

Year: 1281 Days

Day: 7.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,840,216 km

• M1: 110,702 km (0.06 R)
• M2: 458,517 km (0.103 R)
• M3: 738,864 km (0.092 R)
• M4: 1,139,786 km (0.09 R)
• M5: 1,506,151 km (0.098 R)
• M6: 2,019,422 km (0.078 R)
• M7: 2,312,035 km (0.115 R)
• M8: 2,609,286 km (0.111 R)
• M9: 3,157,562 km (0.103 R)
• M10: 4,278,948 km (0.099 R)
• M11: 5,606,180 km (0.037 R)
• M12: 6,586,345 km (0.09 R)
• M13: 7,478,846 km (0.119 R)
• M14: 8,828,070 km (0.091 R)
• M15: 9,911,906 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.5

Radius: 10.7

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.69 AU - 1.91 AU

Year: 1667 Days

Day: 11 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,840,216 km

• M1: 133,142 km (0.105 R)
• M2: 611,855 km (0.112 R)
• M3: 970,890 km (0.1 R)
• M4: 1,404,724 km (0.096 R)
• M5: 1,816,268 km (0.083 R)
• M6: 2,174,255 km (0.095 R)
• M7: 2,606,593 km (0.074 R)
• M8: 3,999,798 km (0.072 R)
• M9: 9,234,078 km (0.078 R)
• M10: 9,928,811 km (0.086 R)
• M11: 10,410,965 km (0.084 R)
• M12: 10,908,826 km (0.117 R)
• M13: 11,274,144 km (0.118 R)
• M14: 11,685,239 km (0.058 R)
• M15: 12,777,453 km (0.08 R)
• M16: 13,514,522 km (0.108 R)
• M17: 14,541,362 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.9

Radius: 12.6

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.14 AU - 2.66 AU

Year: 2566 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,840,216 km

• M1: 156,779 km (0.054 R)
• M2: 585,975 km (0.118 R)
• M3: 1,205,310 km (0.064 R)
• M4: 1,862,793 km (0.12 R)
• M5: 2,323,405 km (0.057 R)
• M6: 2,941,393 km (0.04 R)
• M7: 3,388,541 km (0.101 R)
• M8: 4,124,264 km (0.062 R)
• M9: 5,276,466 km (0.11 R)
• M10: 5,941,130 km (0.052 R)
• M11: 6,632,422 km (0.117 R)
• M12: 8,208,884 km (0.056 R)
• M13: 8,890,901 km (0.104 R)
• M14: 9,500,063 km (0.066 R)
• M15: 12,883,219 km (0.1 R)
• M16: 14,476,137 km (0.114 R)
• M17: 15,574,634 km (0.058 R)
• M18: 16,407,894 km (0.098 R)
• M19: 16,943,604 km (0.073 R)
• M20: 17,713,136 km (0.078 R)
• M21: 18,106,578 km (0.082 R)
• M22: 20,591,399 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.1

Radius: 13.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.31 AU - 3.47 AU

Year: 4308 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,840,216 km

• M1: 171,738 km (0.116 R)
• M2: 699,669 km (0.111 R)
• M3: 1,569,282 km (0.112 R)
• M4: 2,234,244 km (0.115 R)
• M5: 2,672,865 km (0.111 R)
• M6: 5,117,893 km (0.119 R)
• M7: 6,249,301 km (0.101 R)
• M8: 8,508,678 km (0.068 R)
• M9: 10,093,368 km (0.06 R)
• M10: 10,935,305 km (0.11 R)
• M11: 11,693,766 km (0.115 R)
• M12: 12,263,285 km (0.086 R)
• M13: 13,269,182 km (0.091 R)
• M14: 14,378,749 km (0.099 R)
• M15: 14,981,778 km (0.11 R)
• M16: 16,024,475 km (0.049 R)
• M17: 16,782,637 km (0.075 R)
• M18: 17,564,585 km (0.116 R)
• M19: 19,933,318 km (0.086 R)
• M20: 21,582,934 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.5

Radius: 12.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.95 AU - 3.97 AU

Year: 4442 Days

Day: 5.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,840,216 km

• M1: 156,180 km (0.081 R)
• M2: 922,720 km (0.095 R)
• M3: 1,374,505 km (0.079 R)
• M4: 2,699,194 km (0.064 R)
• M5: 3,361,614 km (0.113 R)
• M6: 4,022,687 km (0.086 R)
• M7: 5,904,927 km (0.032 R)
• M8: 8,779,749 km (0.097 R)
• M9: 10,811,139 km (0.068 R)
• M10: 13,475,627 km (0.067 R)
• M11: 16,273,556 km (0.092 R)
• M12: 20,066,460 km (0.116 R)
• M13: 21,297,052 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.2

Radius: 6.7

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.43 AU - 6.67 AU

Year: 9025 Days

Day: 22 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,840,216 km

• M1: 84,672 km (0.056 R)
• M2: 387,010 km (0.077 R)
• M3: 779,405 km (0.111 R)
• M4: 2,995,099 km (0.083 R)
• M5: 4,456,670 km (0.111 R)
• M6: 4,843,081 km (0.096 R)
• M7: 5,311,921 km (0.078 R)
• M8: 5,651,508 km (0.069 R)
• M9: 7,961,748 km (0.085 R)
• M10: 11,739,992 km (0.111 R)
• M11: 12,966,994 km (0.104 R)
• M12: 16,436,767 km (0.118 R)
• M13: 26,096,002 km (0.111 R)
• M14: 31,247,405 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790

Radius: 7.4

Gravity: 14.43 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.24 AU - 7.2 AU

Year: 12024 Days

Day: 18.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,840,216 km

• M1: 92,003 km (0.049 R)
• M2: 512,822 km (0.038 R)
• M3: 1,148,164 km (0.066 R)
• M4: 1,391,859 km (0.047 R)
• M5: 1,782,608 km (0.095 R)
• M6: 2,112,920 km (0.11 R)
• M7: 2,717,595 km (0.068 R)
• M8: 3,084,558 km (0.112 R)
• M9: 6,250,947 km (0.105 R)
• M10: 7,979,550 km (0.103 R)
• M11: 8,588,414 km (0.079 R)
• M12: 10,880,403 km (0.085 R)
• M13: 12,411,088 km (0.055 R)
• M14: 12,909,548 km (0.055 R)
• M15: 14,829,188 km (0.102 R)
• M16: 16,555,697 km (0.07 R)
• M17: 17,622,480 km (0.105 R)
• M18: 18,815,523 km (0.075 R)
• M19: 24,417,813 km (0.107 R)
• M20: 29,585,073 km (0.074 R)
• M21: 30,362,234 km (0.063 R)
• M22: 33,967,693 km (0.118 R)
• M23: 39,028,588 km (0.039 R)
• M24: 39,294,125 km (0.076 R)
• M25: 39,962,977 km (0.107 R)
• M26: 42,714,979 km (0.094 R)
• M27: 44,281,119 km (0.113 R)
• M28: 49,674,272 km (0.04 R)
• M29: 50,142,513 km (0.076 R)
• M30: 53,830,699 km (0.099 R)
• M31: 55,489,141 km (0.096 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: 327 - 11,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit