🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 14

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.65 AU - 0.73 AU

Year: 403 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,933,909 km

• M1: 174,132 km (0.11 R)
• M2: 632,500 km (0.055 R)
• M3: 1,235,978 km (0.105 R)
• M4: 1,697,637 km (0.102 R)
• M5: 2,202,829 km (0.088 R)
• M6: 3,142,004 km (0.101 R)
• M7: 3,902,560 km (0.115 R)
• M8: 4,453,229 km (0.108 R)
• M9: 4,896,488 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.4

Radius: 13.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.82 AU - 0.82 AU

Year: 522 Days

Day: 8.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,933,909 km

• M1: 172,935 km (0.106 R)
• M2: 653,593 km (0.08 R)
• M3: 1,136,345 km (0.069 R)
• M4: 1,687,913 km (0.097 R)
• M5: 2,340,608 km (0.068 R)
• M6: 2,906,687 km (0.101 R)
• M7: 3,387,494 km (0.112 R)
• M8: 3,894,182 km (0.097 R)
• M9: 4,391,894 km (0.079 R)
• M10: 4,868,214 km (0.12 R)
• M11: 5,396,294 km (0.101 R)
• M12: 6,203,525 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 12.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.8 AU - 1.2 AU

Year: 703 Days

Day: 14.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,933,909 km

• M1: 160,519 km (0.085 R)
• M2: 584,778 km (0.099 R)
• M3: 1,115,701 km (0.115 R)
• M4: 1,735,335 km (0.096 R)
• M5: 2,240,976 km (0.08 R)
• M6: 2,654,764 km (0.049 R)
• M7: 3,076,480 km (0.092 R)
• M8: 3,615,481 km (0.103 R)
• M9: 4,070,558 km (0.108 R)
• M10: 4,478,960 km (0.107 R)
• M11: 5,507,894 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.2

Radius: 13.5

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.01 AU - 1.13 AU

Year: 778 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 63,933,909 km

• M1: 190,737 km (0.072 R)
• M2: 653,892 km (0.093 R)
• M3: 2,734,649 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.4

Radius: 13.4

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.06 AU - 2.28 AU

Year: 2247 Days

Day: 5.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,933,909 km

• M1: 167,250 km (0.094 R)
• M2: 604,226 km (0.059 R)
• M3: 1,449,005 km (0.116 R)
• M4: 1,937,442 km (0.115 R)
• M5: 2,396,259 km (0.057 R)
• M6: 2,944,086 km (0.11 R)
• M7: 3,502,535 km (0.109 R)
• M8: 4,071,156 km (0.105 R)
• M9: 4,635,140 km (0.107 R)
• M10: 5,227,099 km (0.12 R)
• M11: 5,869,323 km (0.119 R)
• M12: 7,163,793 km (0.081 R)
• M13: 8,245,685 km (0.093 R)
• M14: 9,648,315 km (0.053 R)
• M15: 10,540,217 km (0.091 R)
• M16: 11,324,708 km (0.051 R)
• M17: 12,147,796 km (0.072 R)
• M18: 12,660,617 km (0.098 R)
• M19: 15,003,470 km (0.101 R)
• M20: 15,445,083 km (0.108 R)
• M21: 17,192,535 km (0.109 R)
• M22: 18,114,058 km (0.085 R)
• M23: 18,727,858 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.6

Radius: 14

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.32 AU - 4.04 AU

Year: 4962 Days

Day: 11.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,933,909 km

• M1: 174,132 km (0.049 R)
• M2: 1,064,090 km (0.103 R)
• M3: 2,025,705 km (0.118 R)
• M4: 2,654,614 km (0.068 R)
• M5: 3,223,685 km (0.099 R)
• M6: 5,151,851 km (0.104 R)
• M7: 5,987,505 km (0.112 R)
• M8: 6,725,621 km (0.119 R)
• M9: 7,724,486 km (0.093 R)
• M10: 8,491,774 km (0.065 R)
• M11: 11,058,574 km (0.062 R)
• M12: 11,495,100 km (0.064 R)
• M13: 15,092,929 km (0.119 R)
• M14: 17,556,208 km (0.105 R)
• M15: 20,018,289 km (0.108 R)
• M16: 20,932,033 km (0.115 R)
• M17: 23,195,898 km (0.117 R)
• M18: 24,497,250 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.2

Radius: 10.8

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.46 AU - 3.96 AU

Year: 5023 Days

Day: 8.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,933,909 km

• M1: 139,276 km (0.11 R)
• M2: 538,702 km (0.051 R)
• M3: 1,104,780 km (0.088 R)
• M4: 1,696,141 km (0.108 R)
• M5: 2,044,105 km (0.104 R)
• M6: 2,924,190 km (0.091 R)
• M7: 4,179,765 km (0.099 R)
• M8: 4,518,753 km (0.085 R)
• M9: 5,252,381 km (0.058 R)
• M10: 6,155,354 km (0.113 R)
• M11: 6,823,907 km (0.074 R)
• M12: 8,610,554 km (0.057 R)
• M13: 9,529,384 km (0.047 R)
• M14: 9,991,343 km (0.081 R)
• M15: 10,779,424 km (0.092 R)
• M16: 13,084,279 km (0.041 R)
• M17: 14,351,971 km (0.032 R)
• M18: 17,751,283 km (0.115 R)
• M19: 20,594,092 km (0.082 R)
• M20: 21,367,363 km (0.053 R)
• M21: 21,869,563 km (0.096 R)
• M22: 22,822,950 km (0.098 R)
• M23: 25,207,989 km (0.119 R)
• M24: 26,255,922 km (0.05 R)
• M25: 28,611,341 km (0.096 R)

Asteroid Belt

Center: 4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 8.9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.49 AU - 5.09 AU

Year: 6246 Days

Day: 14.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,933,909 km

• M1: 110,702 km (0.118 R)
• M2: 449,392 km (0.091 R)
• M3: 732,282 km (0.112 R)
• M4: 1,099,245 km (0.092 R)
• M5: 2,803,913 km (0.106 R)
• M6: 4,485,842 km (0.062 R)
• M7: 5,156,190 km (0.116 R)
• M8: 5,786,146 km (0.054 R)
• M9: 6,580,212 km (0.061 R)
• M10: 7,048,304 km (0.112 R)
• M11: 8,864,123 km (0.039 R)
• M12: 9,326,530 km (0.085 R)
• M13: 10,222,621 km (0.105 R)
• M14: 10,612,623 km (0.103 R)
• M15: 12,757,557 km (0.099 R)
• M16: 14,679,590 km (0.105 R)
• M17: 15,735,452 km (0.099 R)
• M18: 17,166,206 km (0.055 R)
• M19: 19,088,987 km (0.041 R)
• M20: 20,102,214 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.6

Radius: 5.8

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.37 AU - 7.65 AU

Year: 13046 Days

Day: 20.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,933,909 km

• M1: 72,106 km (0.082 R)
• M2: 272,119 km (0.104 R)
• M3: 1,611,767 km (0.059 R)
• M4: 1,813,725 km (0.106 R)
• M5: 2,157,650 km (0.101 R)
• M6: 2,523,866 km (0.094 R)
• M7: 4,844,727 km (0.032 R)
• M8: 8,075,443 km (0.091 R)
• M9: 9,051,419 km (0.099 R)
• M10: 11,291,498 km (0.113 R)
• M11: 11,860,867 km (0.115 R)
• M12: 12,629,501 km (0.074 R)
• M13: 14,396,850 km (0.061 R)
• M14: 17,799,155 km (0.083 R)
• M15: 18,336,361 km (0.104 R)
• M16: 20,177,462 km (0.06 R)
• M17: 23,392,170 km (0.095 R)
• M18: 29,516,857 km (0.119 R)
• M19: 34,576,705 km (0.112 R)
• M20: 39,534,379 km (0.096 R)
• M21: 42,453,033 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.8

Radius: 5

Gravity: 21.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.79 AU - 9.23 AU

Year: 17450 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,933,909 km

• M1: 62,532 km (0.101 R)
• M2: 230,082 km (0.117 R)
• M3: 428,448 km (0.119 R)
• M4: 819,198 km (0.035 R)
• M5: 1,333,366 km (0.102 R)
• M6: 2,039,617 km (0.113 R)
• M7: 2,295,579 km (0.05 R)
• M8: 2,484,970 km (0.106 R)
• M9: 2,707,871 km (0.119 R)
• M10: 4,660,422 km (0.112 R)
• M11: 4,896,488 km (0.09 R)
• M12: 5,105,027 km (0.115 R)
• M13: 5,843,742 km (0.081 R)
• M14: 6,360,602 km (0.1 R)
• M15: 6,778,579 km (0.102 R)
• M16: 10,515,833 km (0.103 R)
• M17: 11,890,787 km (0.106 R)
• M18: 13,448,699 km (0.063 R)
• M19: 14,774,735 km (0.098 R)
• M20: 15,806,062 km (0.105 R)
• M21: 16,416,422 km (0.038 R)
• M22: 17,522,099 km (0.067 R)
• M23: 18,592,472 km (0.073 R)
• M24: 22,442,972 km (0.072 R)
• M25: 27,008,100 km (0.115 R)
• M26: 27,659,898 km (0.107 R)
• M27: 29,793,463 km (0.078 R)
• M28: 30,606,378 km (0.115 R)
• M29: 33,010,416 km (0.103 R)
• M30: 34,511,630 km (0.093 R)
• M31: 37,515,107 km (0.11 R)
• M32: 38,190,242 km (0.082 R)
• M33: 38,873,605 km (0.088 R)
• M34: 44,485,320 km (0.107 R)
• M35: 48,991,807 km (0.088 R)
• M36: 54,135,430 km (0.114 R)
• M37: 57,103,302 km (0.069 R)
• M38: 59,262,299 km (0.119 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: 406 - 11,651 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit