🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 10.7

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.5 AU - 0.8 AU

Year: 349 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,360,019 km

• M1: 133,292 km (0.09 R)
• M2: 471,084 km (0.114 R)
• M3: 805,136 km (0.103 R)
• M4: 1,142,180 km (0.032 R)
• M5: 1,692,999 km (0.12 R)
• M6: 2,369,780 km (0.052 R)
• M7: 2,981,336 km (0.11 R)
• M8: 5,073,013 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837

Radius: 11.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.71 AU - 1.05 AU

Year: 550 Days

Day: 13.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,360,019 km

• M1: 216,319 km (0.072 R)
• M2: 966,851 km (0.107 R)
• M3: 1,357,152 km (0.106 R)
• M4: 1,813,874 km (0.114 R)
• M5: 2,304,555 km (0.114 R)
• M6: 2,860,610 km (0.099 R)
• M7: 3,650,188 km (0.044 R)
• M8: 4,933,738 km (0.1 R)
• M9: 5,428,458 km (0.12 R)
• M10: 5,881,291 km (0.062 R)
• M11: 7,285,566 km (0.062 R)

Asteroid Belt

Center: 1.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.3

Radius: 11.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.82 AU - 2.28 AU

Year: 1957 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,360,019 km

• M1: 145,559 km (0.06 R)
• M2: 1,332,767 km (0.106 R)
• M3: 1,729,950 km (0.113 R)
• M4: 2,310,689 km (0.045 R)
• M5: 2,688,723 km (0.114 R)
• M6: 3,515,101 km (0.098 R)
• M7: 4,034,505 km (0.104 R)
• M8: 5,080,942 km (0.064 R)
• M9: 5,589,724 km (0.119 R)
• M10: 6,666,081 km (0.108 R)
• M11: 7,777,743 km (0.084 R)
• M12: 8,149,344 km (0.054 R)
• M13: 8,982,006 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.7

Radius: 14.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.92 AU - 2.56 AU

Year: 2236 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 93.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,360,019 km

• M1: 181,761 km (0.073 R)
• M2: 671,395 km (0.086 R)
• M3: 1,197,830 km (0.08 R)
• M4: 1,723,517 km (0.119 R)
• M5: 2,391,771 km (0.09 R)
• M6: 2,976,100 km (0.108 R)
• M7: 3,497,897 km (0.114 R)
• M8: 5,657,791 km (0.097 R)
• M9: 6,179,439 km (0.064 R)
• M10: 7,177,107 km (0.056 R)
• M11: 8,342,475 km (0.114 R)
• M12: 10,268,248 km (0.1 R)
• M13: 11,316,032 km (0.076 R)
• M14: 12,229,177 km (0.077 R)
• M15: 13,449,896 km (0.102 R)
• M16: 14,112,465 km (0.087 R)
• M17: 14,704,124 km (0.108 R)
• M18: 15,598,869 km (0.101 R)
• M19: 16,380,069 km (0.093 R)
• M20: 16,983,098 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.9

Radius: 8.4

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.35 AU - 2.81 AU

Year: 2763 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,360,019 km

• M1: 104,719 km (0.107 R)
• M2: 547,678 km (0.054 R)
• M3: 891,005 km (0.105 R)
• M4: 1,465,760 km (0.119 R)
• M5: 1,981,424 km (0.115 R)
• M6: 2,927,182 km (0.081 R)
• M7: 3,574,940 km (0.044 R)
• M8: 3,883,262 km (0.059 R)
• M9: 4,146,853 km (0.086 R)
• M10: 4,916,534 km (0.12 R)
• M11: 5,573,119 km (0.051 R)
• M12: 6,708,717 km (0.093 R)
• M13: 7,798,836 km (0.112 R)
• M14: 8,932,938 km (0.106 R)
• M15: 9,286,587 km (0.108 R)
• M16: 9,909,064 km (0.117 R)
• M17: 12,200,604 km (0.076 R)
• M18: 13,308,975 km (0.059 R)
• M19: 13,864,282 km (0.081 R)
• M20: 17,306,828 km (0.1 R)
• M21: 17,801,399 km (0.098 R)
• M22: 19,994,354 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.3

Radius: 10.2

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.49 AU - 2.73 AU

Year: 2812 Days

Day: 11.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,360,019 km

• M1: 127,457 km (0.082 R)
• M2: 538,253 km (0.05 R)
• M3: 970,292 km (0.097 R)
• M4: 1,397,693 km (0.12 R)
• M5: 2,068,191 km (0.102 R)
• M6: 2,477,640 km (0.062 R)
• M7: 2,838,769 km (0.077 R)
• M8: 3,519,589 km (0.055 R)
• M9: 4,615,992 km (0.042 R)
• M10: 6,031,637 km (0.072 R)
• M11: 8,547,723 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.4

Radius: 11.4

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.45 AU - 3.43 AU

Year: 3362 Days

Day: 11.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,360,019 km

• M1: 141,819 km (0.074 R)
• M2: 585,676 km (0.075 R)
• M3: 1,228,498 km (0.092 R)
• M4: 1,596,808 km (0.098 R)
• M5: 2,250,700 km (0.058 R)
• M6: 2,764,868 km (0.097 R)
• M7: 3,770,465 km (0.045 R)
• M8: 4,411,791 km (0.119 R)
• M9: 5,004,647 km (0.114 R)
• M10: 5,370,564 km (0.076 R)
• M11: 6,020,118 km (0.119 R)
• M12: 7,077,026 km (0.109 R)
• M13: 8,662,016 km (0.087 R)
• M14: 9,155,539 km (0.1 R)
• M15: 9,930,755 km (0.041 R)
• M16: 10,393,162 km (0.031 R)
• M17: 10,991,404 km (0.054 R)
• M18: 12,213,021 km (0.099 R)
• M19: 12,924,658 km (0.063 R)
• M20: 16,050,804 km (0.119 R)
• M21: 16,959,163 km (0.11 R)
• M22: 18,936,846 km (0.117 R)
• M23: 19,350,036 km (0.071 R)
• M24: 20,564,172 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.3

Radius: 9.3

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.65 AU - 5.39 AU

Year: 6408 Days

Day: 6.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,360,019 km

• M1: 115,789 km (0.068 R)
• M2: 838,646 km (0.106 R)
• M3: 1,720,226 km (0.05 R)
• M4: 4,136,980 km (0.086 R)
• M5: 4,785,785 km (0.077 R)
• M6: 5,235,626 km (0.101 R)
• M7: 7,693,519 km (0.03 R)
• M8: 8,311,807 km (0.119 R)
• M9: 10,366,684 km (0.117 R)
• M10: 12,372,342 km (0.099 R)
• M11: 13,058,997 km (0.097 R)
• M12: 14,278,668 km (0.062 R)
• M13: 15,451,814 km (0.038 R)
• M14: 16,123,808 km (0.116 R)
• M15: 16,561,531 km (0.083 R)
• M16: 18,732,645 km (0.068 R)
• M17: 20,718,108 km (0.113 R)
• M18: 24,523,579 km (0.101 R)
• M19: 25,775,713 km (0.072 R)
• M20: 33,282,684 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.5

Radius: 7.8

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.7 AU - 6.96 AU

Year: 11903 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,360,019 km

• M1: 97,239 km (0.064 R)
• M2: 359,334 km (0.075 R)
• M3: 798,254 km (0.065 R)
• M4: 1,123,330 km (0.08 R)
• M5: 1,922,183 km (0.087 R)
• M6: 2,392,070 km (0.101 R)
• M7: 2,844,155 km (0.072 R)
• M8: 3,695,815 km (0.071 R)
• M9: 4,331,307 km (0.098 R)
• M10: 5,670,358 km (0.092 R)
• M11: 6,044,352 km (0.101 R)
• M12: 7,051,445 km (0.112 R)
• M13: 7,934,521 km (0.09 R)
• M14: 9,089,118 km (0.108 R)
• M15: 10,188,064 km (0.039 R)
• M16: 12,273,757 km (0.084 R)
• M17: 12,521,940 km (0.114 R)
• M18: 13,416,685 km (0.09 R)
• M19: 14,559,762 km (0.108 R)
• M20: 15,190,467 km (0.098 R)
• M21: 15,839,273 km (0.108 R)
• M22: 18,783,957 km (0.108 R)
• M23: 23,473,103 km (0.086 R)
• M24: 26,548,685 km (0.082 R)
• M25: 33,728,037 km (0.103 R)
• M26: 34,955,338 km (0.118 R)
• M27: 35,580,058 km (0.108 R)
• M28: 44,101,153 km (0.108 R)
• M29: 46,915,538 km (0.089 R)
• M30: 54,721,405 km (0.115 R)
• M31: 55,057,252 km (0.083 R)
• M32: 55,732,986 km (0.095 R)
• M33: 57,100,909 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.6

Radius: 3

Gravity: 39.62 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.85 AU - 12.45 AU

Year: 21564 Days

Day: 18.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,360,019 km

• M1: 37,399 km (0.111 R)
• M2: 394,041 km (0.085 R)
• M3: 521,648 km (0.116 R)
• M4: 904,469 km (0.113 R)
• M5: 1,018,462 km (0.118 R)
• M6: 1,220,868 km (0.101 R)
• M7: 1,688,661 km (0.103 R)
• M8: 1,808,937 km (0.031 R)
• M9: 2,009,698 km (0.099 R)
• M10: 3,375,377 km (0.109 R)
• M11: 3,566,862 km (0.111 R)
• M12: 4,123,217 km (0.117 R)
• M13: 5,667,366 km (0.116 R)
• M14: 5,898,644 km (0.113 R)
• M15: 6,844,252 km (0.103 R)
• M16: 7,240,238 km (0.119 R)
• M17: 7,697,858 km (0.101 R)
• M18: 10,109,675 km (0.091 R)
• M19: 10,392,564 km (0.059 R)
• M20: 12,075,241 km (0.11 R)
• M21: 12,587,464 km (0.112 R)
• M22: 13,047,328 km (0.107 R)
• M23: 13,861,589 km (0.119 R)
• M24: 17,701,916 km (0.054 R)
• M25: 18,529,791 km (0.111 R)
• M26: 20,893,437 km (0.059 R)
• M27: 21,352,104 km (0.082 R)
• M28: 25,682,065 km (0.113 R)
• M29: 31,992,402 km (0.088 R)
• M30: 32,113,577 km (0.101 R)
• M31: 33,218,207 km (0.101 R)
• M32: 33,968,441 km (0.073 R)
• M33: 40,382,000 km (0.086 R)
• M34: 42,980,964 km (0.118 R)
• M35: 46,151,392 km (0.095 R)
• M36: 46,928,553 km (0.03 R)
• M37: 47,556,565 km (0.061 R)
• M38: 53,292,446 km (0.105 R)
• M39: 57,123,947 km (0.055 R)
• M40: 60,023,004 km (0.077 R)
• M41: 63,209,140 km (0.114 R)
• M42: 63,591,212 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 13,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit