🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 11.3

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.52 AU - 0.58 AU

Year: 282 Days

Day: 14.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,975,740 km

• M1: 141,520 km (0.091 R)
• M2: 506,538 km (0.084 R)
• M3: 935,286 km (0.114 R)
• M4: 1,830,629 km (0.073 R)
• M5: 2,733,003 km (0.1 R)
• M6: 3,180,002 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 14.6

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.92 AU - 1.06 AU

Year: 680 Days

Day: 9.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,975,740 km

• M1: 186,549 km (0.093 R)
• M2: 785,389 km (0.099 R)
• M3: 1,359,246 km (0.116 R)
• M4: 2,233,197 km (0.1 R)
• M5: 3,151,578 km (0.066 R)
• M6: 3,950,730 km (0.055 R)
• M7: 4,706,349 km (0.088 R)
• M8: 6,726,668 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.6

Radius: 8.7

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.36 AU - 1.66 AU

Year: 1281 Days

Day: 6.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,975,740 km

• M1: 108,458 km (0.107 R)
• M2: 547,678 km (0.12 R)
• M3: 957,426 km (0.118 R)
• M4: 1,487,452 km (0.117 R)
• M5: 1,945,072 km (0.101 R)
• M6: 2,543,164 km (0.032 R)
• M7: 3,561,477 km (0.088 R)
• M8: 4,659,375 km (0.042 R)
• M9: 5,327,180 km (0.081 R)
• M10: 5,705,812 km (0.108 R)
• M11: 6,012,787 km (0.113 R)
• M12: 6,540,868 km (0.083 R)
• M13: 7,124,599 km (0.055 R)
• M14: 7,848,951 km (0.069 R)
• M15: 8,938,622 km (0.08 R)
• M16: 9,323,388 km (0.071 R)
• M17: 9,688,257 km (0.038 R)
• M18: 10,157,845 km (0.083 R)
• M19: 10,642,393 km (0.105 R)
• M20: 11,074,880 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.9

Radius: 12.5

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.61 AU - 1.93 AU

Year: 1625 Days

Day: 8 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,975,740 km

• M1: 155,582 km (0.074 R)
• M2: 943,813 km (0.105 R)
• M3: 1,700,180 km (0.081 R)
• M4: 2,304,106 km (0.068 R)
• M5: 3,340,072 km (0.099 R)
• M6: 3,822,824 km (0.107 R)
• M7: 4,765,590 km (0.119 R)
• M8: 5,764,305 km (0.112 R)
• M9: 6,950,317 km (0.096 R)
• M10: 8,262,889 km (0.119 R)
• M11: 9,602,987 km (0.095 R)
• M12: 10,137,051 km (0.108 R)
• M13: 12,474,218 km (0.083 R)
• M14: 13,354,752 km (0.113 R)
• M15: 14,105,583 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.1

Radius: 10.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.06 AU - 2.48 AU

Year: 2361 Days

Day: 12.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,975,740 km

• M1: 125,662 km (0.056 R)
• M2: 832,512 km (0.066 R)
• M3: 1,194,838 km (0.119 R)
• M4: 1,663,528 km (0.109 R)
• M5: 2,469,861 km (0.046 R)
• M6: 2,988,666 km (0.12 R)
• M7: 3,442,845 km (0.093 R)
• M8: 4,025,230 km (0.046 R)
• M9: 5,206,305 km (0.101 R)
• M10: 5,717,481 km (0.102 R)
• M11: 6,284,158 km (0.082 R)
• M12: 6,960,191 km (0.044 R)
• M13: 7,403,599 km (0.112 R)
• M14: 7,813,497 km (0.048 R)
• M15: 8,292,808 km (0.116 R)
• M16: 9,164,066 km (0.12 R)
• M17: 10,891,323 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.9

Radius: 10.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2 AU - 2.9 AU

Year: 2647 Days

Day: 13.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,975,740 km

• M1: 129,552 km (0.06 R)
• M2: 852,857 km (0.054 R)
• M3: 1,398,740 km (0.095 R)
• M4: 2,049,042 km (0.116 R)
• M5: 2,788,056 km (0.11 R)
• M6: 4,171,088 km (0.045 R)
• M7: 5,089,619 km (0.089 R)
• M8: 5,726,008 km (0.093 R)
• M9: 7,521,332 km (0.096 R)
• M10: 9,430,500 km (0.117 R)
• M11: 10,320,159 km (0.119 R)
• M12: 12,265,978 km (0.062 R)
• M13: 12,747,683 km (0.057 R)
• M14: 13,920,680 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.5

Radius: 14

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.4 AU - 3.86 AU

Year: 3822 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,975,740 km

• M1: 174,132 km (0.103 R)
• M2: 866,321 km (0.103 R)
• M3: 1,523,355 km (0.118 R)
• M4: 2,412,116 km (0.082 R)
• M5: 3,205,434 km (0.117 R)
• M6: 4,668,351 km (0.057 R)
• M7: 5,496,525 km (0.059 R)
• M8: 6,101,648 km (0.056 R)
• M9: 6,659,798 km (0.1 R)
• M10: 7,577,581 km (0.051 R)
• M11: 8,084,419 km (0.105 R)
• M12: 8,542,038 km (0.104 R)
• M13: 9,821,549 km (0.11 R)
• M14: 11,398,909 km (0.078 R)
• M15: 14,841,455 km (0.092 R)
• M16: 18,863,244 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.6

Radius: 7.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.12 AU - 7.5 AU

Year: 12267 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,975,740 km

• M1: 149,149 km (0.048 R)
• M2: 657,931 km (0.04 R)
• M3: 2,367,536 km (0.105 R)
• M4: 3,365,952 km (0.074 R)
• M5: 3,892,537 km (0.108 R)
• M6: 4,187,394 km (0.083 R)
• M7: 5,463,015 km (0.087 R)
• M8: 5,717,631 km (0.118 R)
• M9: 6,099,255 km (0.117 R)
• M10: 6,783,815 km (0.093 R)
• M11: 7,587,754 km (0.112 R)
• M12: 8,642,119 km (0.032 R)
• M13: 11,910,683 km (0.108 R)
• M14: 14,858,360 km (0.114 R)
• M15: 15,523,771 km (0.097 R)
• M16: 17,334,504 km (0.074 R)
• M17: 18,765,856 km (0.115 R)
• M18: 23,234,045 km (0.075 R)
• M19: 24,205,683 km (0.07 R)
• M20: 25,359,981 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594

Radius: 7.3

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.01 AU - 8.45 AU

Year: 16297 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,975,740 km

• M1: 90,806 km (0.073 R)
• M2: 369,656 km (0.049 R)
• M3: 718,967 km (0.066 R)
• M4: 964,607 km (0.062 R)
• M5: 1,448,855 km (0.064 R)
• M6: 1,680,732 km (0.063 R)
• M7: 2,010,595 km (0.085 R)
• M8: 3,064,512 km (0.119 R)
• M9: 3,586,609 km (0.102 R)
• M10: 4,227,935 km (0.11 R)
• M11: 4,674,185 km (0.053 R)
• M12: 7,037,682 km (0.084 R)
• M13: 8,927,403 km (0.117 R)
• M14: 9,878,995 km (0.081 R)
• M15: 10,780,322 km (0.096 R)
• M16: 12,044,873 km (0.102 R)
• M17: 12,810,514 km (0.104 R)
• M18: 17,289,924 km (0.113 R)
• M19: 18,847,686 km (0.093 R)
• M20: 19,272,694 km (0.099 R)
• M21: 19,530,750 km (0.037 R)
• M22: 20,496,703 km (0.095 R)
• M23: 21,218,962 km (0.103 R)
• M24: 22,051,624 km (0.111 R)
• M25: 26,332,965 km (0.089 R)
• M26: 27,728,863 km (0.115 R)
• M27: 29,971,784 km (0.089 R)
• M28: 30,667,563 km (0.098 R)
• M29: 30,901,834 km (0.067 R)
• M30: 36,102,753 km (0.085 R)
• M31: 37,288,316 km (0.051 R)
• M32: 37,555,349 km (0.099 R)
• M33: 39,876,360 km (0.077 R)
• M34: 42,727,246 km (0.117 R)
• M35: 55,145,365 km (0.115 R)
• M36: 55,665,816 km (0.07 R)
• M37: 56,189,559 km (0.107 R)
• M38: 62,733,119 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.7

Radius: 5.9

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.14 AU - 10.98 AU

Year: 22025 Days

Day: 16 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,975,740 km

• M1: 73,453 km (0.083 R)
• M2: 362,176 km (0.096 R)
• M3: 721,810 km (0.096 R)
• M4: 1,036,414 km (0.104 R)
• M5: 1,258,866 km (0.084 R)
• M6: 1,652,907 km (0.113 R)
• M7: 2,031,838 km (0.04 R)
• M8: 2,531,046 km (0.066 R)
• M9: 3,468,277 km (0.1 R)
• M10: 5,332,416 km (0.072 R)
• M11: 5,924,375 km (0.088 R)
• M12: 8,152,186 km (0.089 R)
• M13: 10,041,159 km (0.066 R)
• M14: 11,712,017 km (0.072 R)
• M15: 12,581,480 km (0.053 R)
• M16: 13,228,341 km (0.079 R)
• M17: 13,694,039 km (0.042 R)
• M18: 14,728,958 km (0.062 R)
• M19: 15,301,768 km (0.098 R)
• M20: 17,031,269 km (0.047 R)
• M21: 19,392,522 km (0.119 R)
• M22: 20,695,519 km (0.109 R)
• M23: 24,752,464 km (0.069 R)
• M24: 28,203,537 km (0.116 R)
• M25: 28,974,714 km (0.096 R)
• M26: 44,767,911 km (0.097 R)
• M27: 45,065,760 km (0.081 R)
• M28: 45,816,442 km (0.093 R)
• M29: 46,270,921 km (0.08 R)
• M30: 54,293,406 km (0.06 R)
• M31: 58,987,936 km (0.113 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: 367 - 14,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit