🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 11.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.75 AU - 0.83 AU

Year: 485 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 71.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,319,072 km

• M1: 144,512 km (0.084 R)
• M2: 573,708 km (0.109 R)
• M3: 1,162,226 km (0.026 R)
• M4: 1,556,865 km (0.077 R)
• M5: 2,199,986 km (0.097 R)
• M6: 3,099,668 km (0.116 R)
• M7: 3,738,451 km (0.103 R)
• M8: 5,170,102 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.8

Radius: 8.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.71 AU - 1.91 AU

Year: 1681 Days

Day: 6.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 177.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,319,072 km

• M1: 109,655 km (0.109 R)
• M2: 411,394 km (0.086 R)
• M3: 788,530 km (0.082 R)
• M4: 1,083,089 km (0.097 R)
• M5: 2,021,965 km (0.068 R)
• M6: 2,413,462 km (0.046 R)
• M7: 2,994,650 km (0.039 R)
• M8: 3,537,242 km (0.096 R)
• M9: 4,197,267 km (0.092 R)
• M10: 5,391,507 km (0.042 R)
• M11: 5,918,541 km (0.071 R)
• M12: 6,698,993 km (0.109 R)
• M13: 7,413,472 km (0.109 R)
• M14: 8,009,769 km (0.119 R)
• M15: 8,579,288 km (0.092 R)
• M16: 9,640,685 km (0.115 R)
• M17: 9,959,478 km (0.096 R)
• M18: 10,992,601 km (0.101 R)
• M19: 11,517,390 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 12.3

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.79 AU - 2.09 AU

Year: 1865 Days

Day: 6.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,319,072 km

• M1: 153,039 km (0.095 R)
• M2: 618,886 km (0.094 R)
• M3: 1,054,067 km (0.075 R)
• M4: 1,803,103 km (0.116 R)
• M5: 2,220,332 km (0.115 R)
• M6: 2,894,719 km (0.03 R)
• M7: 3,280,981 km (0.096 R)
• M8: 3,910,638 km (0.081 R)
• M9: 4,705,302 km (0.089 R)
• M10: 7,292,148 km (0.057 R)
• M11: 8,547,873 km (0.09 R)
• M12: 9,213,733 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.5

Radius: 11.2

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.85 AU - 2.49 AU

Year: 2206 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,319,072 km

• M1: 141,520 km (0.11 R)
• M2: 759,808 km (0.045 R)
• M3: 1,364,781 km (0.094 R)
• M4: 2,432,461 km (0.06 R)
• M5: 2,851,485 km (0.104 R)
• M6: 3,688,635 km (0.113 R)
• M7: 4,791,021 km (0.117 R)
• M8: 5,289,033 km (0.117 R)
• M9: 5,721,969 km (0.118 R)
• M10: 6,852,929 km (0.058 R)
• M11: 7,635,775 km (0.111 R)
• M12: 11,374,225 km (0.083 R)
• M13: 13,153,842 km (0.089 R)
• M14: 16,436,767 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.1

Radius: 8.4

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.52 AU - 3.08 AU

Year: 3234 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,319,072 km

• M1: 106,962 km (0.12 R)
• M2: 389,702 km (0.107 R)
• M3: 724,353 km (0.056 R)
• M4: 1,097,300 km (0.095 R)
• M5: 1,773,333 km (0.07 R)
• M6: 2,210,608 km (0.097 R)
• M7: 2,509,654 km (0.085 R)
• M8: 2,921,646 km (0.103 R)
• M9: 3,245,675 km (0.032 R)
• M10: 3,534,100 km (0.047 R)
• M11: 4,342,228 km (0.087 R)
• M12: 4,838,893 km (0.101 R)
• M13: 5,505,800 km (0.118 R)
• M14: 5,861,544 km (0.082 R)
• M15: 6,619,107 km (0.085 R)
• M16: 6,927,279 km (0.046 R)
• M17: 8,152,037 km (0.061 R)
• M18: 8,834,353 km (0.106 R)
• M19: 11,196,503 km (0.057 R)
• M20: 12,221,847 km (0.072 R)
• M21: 13,259,906 km (0.113 R)
• M22: 13,552,969 km (0.082 R)
• M23: 18,183,621 km (0.074 R)
• M24: 18,850,977 km (0.075 R)
• M25: 21,819,448 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.8

Radius: 11.5

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.87 AU - 4.99 AU

Year: 6436 Days

Day: 14 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,319,072 km

• M1: 143,315 km (0.058 R)
• M2: 517,010 km (0.103 R)
• M3: 913,445 km (0.11 R)
• M4: 1,347,129 km (0.108 R)
• M5: 2,262,967 km (0.034 R)
• M6: 2,948,125 km (0.09 R)
• M7: 4,580,986 km (0.079 R)
• M8: 5,396,294 km (0.118 R)
• M9: 5,942,327 km (0.067 R)
• M10: 7,246,670 km (0.12 R)
• M11: 7,697,858 km (0.092 R)
• M12: 9,569,327 km (0.112 R)
• M13: 10,070,480 km (0.036 R)
• M14: 11,034,788 km (0.106 R)
• M15: 14,244,410 km (0.115 R)
• M16: 16,325,466 km (0.072 R)
• M17: 17,041,890 km (0.061 R)
• M18: 17,593,009 km (0.096 R)
• M19: 18,282,505 km (0.096 R)
• M20: 19,383,546 km (0.054 R)
• M21: 19,782,523 km (0.095 R)
• M22: 20,254,953 km (0.119 R)
• M23: 25,165,354 km (0.119 R)
• M24: 25,720,212 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.6

Radius: 9.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.9 AU - 5.46 AU

Year: 6988 Days

Day: 14.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,319,072 km

• M1: 155,731 km (0.099 R)
• M2: 575,952 km (0.102 R)
• M3: 889,509 km (0.105 R)
• M4: 1,203,515 km (0.1 R)
• M5: 1,696,290 km (0.067 R)
• M6: 2,814,834 km (0.072 R)
• M7: 3,169,530 km (0.085 R)
• M8: 3,666,494 km (0.103 R)
• M9: 4,315,151 km (0.085 R)
• M10: 5,038,606 km (0.113 R)
• M11: 8,515,410 km (0.042 R)
• M12: 10,555,925 km (0.111 R)
• M13: 13,388,860 km (0.107 R)
• M14: 14,455,343 km (0.046 R)
• M15: 15,396,463 km (0.057 R)
• M16: 17,076,447 km (0.099 R)
• M17: 17,860,939 km (0.096 R)
• M18: 18,669,365 km (0.12 R)
• M19: 20,650,340 km (0.098 R)
• M20: 23,081,455 km (0.089 R)
• M21: 25,108,955 km (0.114 R)
• M22: 26,208,799 km (0.116 R)
• M23: 26,988,952 km (0.055 R)
• M24: 29,236,959 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.3

Radius: 7.3

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.5 AU - 8 AU

Year: 12105 Days

Day: 24.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,319,072 km

• M1: 90,956 km (0.106 R)
• M2: 328,367 km (0.029 R)
• M3: 922,720 km (0.107 R)
• M4: 1,215,333 km (0.1 R)
• M5: 1,755,531 km (0.09 R)
• M6: 2,172,909 km (0.031 R)
• M7: 3,132,879 km (0.038 R)
• M8: 3,380,164 km (0.049 R)
• M9: 3,667,093 km (0.101 R)
• M10: 4,441,262 km (0.094 R)
• M11: 5,048,330 km (0.103 R)
• M12: 5,459,275 km (0.051 R)
• M13: 5,929,611 km (0.086 R)
• M14: 9,086,874 km (0.113 R)
• M15: 11,220,887 km (0.113 R)
• M16: 16,897,528 km (0.094 R)
• M17: 21,651,001 km (0.071 R)
• M18: 22,008,390 km (0.102 R)
• M19: 23,665,336 km (0.101 R)
• M20: 26,202,965 km (0.092 R)
• M21: 28,487,474 km (0.095 R)
• M22: 29,787,928 km (0.112 R)
• M23: 30,676,539 km (0.073 R)
• M24: 33,093,143 km (0.065 R)
• M25: 36,888,142 km (0.095 R)
• M26: 37,912,588 km (0.108 R)
• M27: 41,373,086 km (0.044 R)
• M28: 43,604,189 km (0.067 R)
• M29: 46,652,395 km (0.053 R)
• M30: 53,169,327 km (0.1 R)
• M31: 54,147,248 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.7

Radius: 4.9

Gravity: 27.27 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.75 AU - 9.21 AU

Year: 15560 Days

Day: 21 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,319,072 km

• M1: 73,901 km (0.102 R)
• M2: 606,619 km (0.11 R)
• M3: 821,592 km (0.073 R)
• M4: 1,148,762 km (0.067 R)
• M5: 1,349,672 km (0.118 R)
• M6: 1,621,791 km (0.112 R)
• M7: 1,788,293 km (0.047 R)
• M8: 2,195,349 km (0.045 R)
• M9: 2,357,962 km (0.088 R)
• M10: 2,594,625 km (0.064 R)
• M11: 3,935,022 km (0.098 R)
• M12: 4,331,307 km (0.041 R)
• M13: 4,720,262 km (0.064 R)
• M14: 6,763,769 km (0.111 R)
• M15: 8,121,818 km (0.099 R)
• M16: 8,763,144 km (0.087 R)
• M17: 12,102,468 km (0.113 R)
• M18: 12,937,822 km (0.06 R)
• M19: 14,508,749 km (0.113 R)
• M20: 15,303,114 km (0.092 R)
• M21: 18,353,714 km (0.087 R)
• M22: 19,282,268 km (0.069 R)
• M23: 23,408,177 km (0.117 R)
• M24: 24,701,152 km (0.113 R)
• M25: 33,722,352 km (0.025 R)
• M26: 33,972,330 km (0.04 R)
• M27: 39,234,734 km (0.114 R)
• M28: 41,055,340 km (0.114 R)
• M29: 47,478,026 km (0.097 R)
• M30: 50,028,969 km (0.1 R)
• M31: 52,334,870 km (0.1 R)
• M32: 55,576,207 km (0.08 R)
• M33: 56,099,950 km (0.1 R)
• M34: 58,227,830 km (0.105 R)
• M35: 62,079,975 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.7

Radius: 5.3

Gravity: 26.8 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.99 AU - 11.07 AU

Year: 20307 Days

Day: 19 Hours

Environment

Temp: -226 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,319,072 km

• M1: 82,129 km (0.091 R)
• M2: 260,899 km (0.051 R)
• M3: 543,639 km (0.095 R)
• M4: 980,764 km (0.114 R)
• M5: 1,319,154 km (0.1 R)
• M6: 4,483,747 km (0.077 R)
• M7: 4,659,525 km (0.116 R)
• M8: 5,369,816 km (0.109 R)
• M9: 5,771,486 km (0.06 R)
• M10: 6,367,035 km (0.071 R)
• M11: 8,189,586 km (0.108 R)
• M12: 9,562,296 km (0.066 R)
• M13: 9,913,252 km (0.062 R)
• M14: 14,512,489 km (0.108 R)
• M15: 20,841,676 km (0.098 R)
• M16: 26,214,633 km (0.042 R)
• M17: 28,192,467 km (0.039 R)
• M18: 30,018,309 km (0.07 R)
• M19: 30,267,539 km (0.062 R)
• M20: 30,770,188 km (0.088 R)
• M21: 31,792,240 km (0.087 R)
• M22: 35,408,320 km (0.074 R)
• M23: 38,403,569 km (0.111 R)
• M24: 41,873,042 km (0.104 R)
• M25: 46,872,005 km (0.068 R)
• M26: 59,200,066 km (0.087 R)
• M27: 61,980,791 km (0.111 R)
• M28: 62,994,766 km (0.083 R)
• M29: 63,198,817 km (0.088 R)
• M30: 64,639,894 km (0.088 R)
• M31: 65,264,016 km (0.03 R)
• M32: 77,198,485 km (0.089 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: 198 - 13,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit