🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 15

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.47 AU - 0.61 AU

Year: 269 Days

Day: 11.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 69,885,170 km

• M1: 186,549 km (0.047 R)
• M2: 834,607 km (0.113 R)
• M3: 1,345,483 km (0.045 R)
• M4: 2,231,851 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.3

Radius: 12.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.82 AU - 0.94 AU

Year: 560 Days

Day: 5.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,885,170 km

• M1: 159,172 km (0.111 R)
• M2: 560,693 km (0.053 R)
• M3: 1,028,785 km (0.102 R)
• M4: 1,470,846 km (0.095 R)
• M5: 1,903,783 km (0.076 R)
• M6: 2,320,861 km (0.047 R)
• M7: 2,830,990 km (0.102 R)
• M8: 3,879,671 km (0.085 R)
• M9: 4,343,275 km (0.113 R)
• M10: 5,548,735 km (0.105 R)
• M11: 6,014,582 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.4

Radius: 10.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.4 AU - 1.86 AU

Year: 1411 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,885,170 km

• M1: 128,056 km (0.03 R)
• M2: 661,522 km (0.095 R)
• M3: 1,101,190 km (0.108 R)
• M4: 3,000,634 km (0.047 R)
• M5: 4,874,347 km (0.098 R)
• M6: 5,617,998 km (0.11 R)
• M7: 7,008,062 km (0.113 R)
• M8: 8,641,072 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542

Radius: 14.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.59 AU - 1.79 AU

Year: 1490 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,885,170 km

• M1: 182,809 km (0.03 R)
• M2: 640,279 km (0.117 R)
• M3: 1,609,673 km (0.12 R)
• M4: 2,126,983 km (0.1 R)
• M5: 2,691,714 km (0.113 R)
• M6: 3,209,323 km (0.07 R)
• M7: 3,942,203 km (0.066 R)
• M8: 4,633,196 km (0.076 R)
• M9: 5,701,324 km (0.094 R)
• M10: 6,352,075 km (0.084 R)
• M11: 8,408,148 km (0.052 R)
• M12: 9,344,033 km (0.103 R)
• M13: 10,154,703 km (0.076 R)
• M14: 11,181,992 km (0.085 R)
• M15: 12,024,228 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.9

Radius: 10

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.59 AU - 2.53 AU

Year: 2005 Days

Day: 5.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,885,170 km

• M1: 124,615 km (0.072 R)
• M2: 730,337 km (0.107 R)
• M3: 1,124,527 km (0.081 R)
• M4: 1,570,478 km (0.066 R)
• M5: 2,169,319 km (0.096 R)
• M6: 2,677,353 km (0.068 R)
• M7: 3,711,972 km (0.091 R)
• M8: 4,380,674 km (0.117 R)
• M9: 4,797,604 km (0.076 R)
• M10: 5,472,889 km (0.118 R)
• M11: 6,082,799 km (0.108 R)
• M12: 8,156,525 km (0.088 R)
• M13: 10,153,507 km (0.116 R)
• M14: 10,662,738 km (0.105 R)
• M15: 12,663,310 km (0.052 R)
• M16: 13,686,410 km (0.05 R)
• M17: 14,626,034 km (0.071 R)
• M18: 16,188,734 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.5

Radius: 9.6

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.01 AU - 4.63 AU

Year: 6090 Days

Day: 11.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,885,170 km

• M1: 119,379 km (0.069 R)
• M2: 448,195 km (0.071 R)
• M3: 755,918 km (0.097 R)
• M4: 1,357,002 km (0.085 R)
• M5: 1,981,873 km (0.041 R)
• M6: 2,846,099 km (0.09 R)
• M7: 3,588,105 km (0.088 R)
• M8: 7,578,628 km (0.042 R)
• M9: 7,967,134 km (0.109 R)
• M10: 9,745,852 km (0.066 R)
• M11: 10,536,028 km (0.106 R)
• M12: 11,723,536 km (0.117 R)
• M13: 12,725,244 km (0.108 R)
• M14: 13,955,088 km (0.092 R)
• M15: 15,757,593 km (0.033 R)
• M16: 17,642,675 km (0.103 R)
• M17: 18,465,015 km (0.109 R)
• M18: 20,483,090 km (0.111 R)
• M19: 21,314,705 km (0.119 R)
• M20: 23,697,051 km (0.116 R)
• M21: 26,339,697 km (0.088 R)
• M22: 27,232,497 km (0.116 R)
• M23: 29,552,611 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.4

Radius: 13.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.61 AU - 5.37 AU

Year: 6453 Days

Day: 11.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,885,170 km

• M1: 169,345 km (0.116 R)
• M2: 670,946 km (0.12 R)
• M3: 2,523,716 km (0.105 R)
• M4: 3,297,735 km (0.056 R)
• M5: 4,036,001 km (0.041 R)
• M6: 4,855,648 km (0.107 R)
• M7: 5,347,825 km (0.093 R)
• M8: 7,733,163 km (0.1 R)
• M9: 8,292,060 km (0.11 R)
• M10: 10,132,413 km (0.04 R)
• M11: 11,790,257 km (0.052 R)
• M12: 12,381,169 km (0.074 R)
• M13: 15,058,970 km (0.089 R)
• M14: 16,411,934 km (0.112 R)
• M15: 20,815,197 km (0.105 R)
• M16: 24,179,803 km (0.111 R)
• M17: 24,654,178 km (0.092 R)
• M18: 25,785,437 km (0.115 R)
• M19: 27,290,541 km (0.119 R)
• M20: 30,291,774 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.3

Radius: 12.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.3 AU - 4.7 AU

Year: 6475 Days

Day: 12.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,885,170 km

• M1: 151,692 km (0.102 R)
• M2: 679,623 km (0.119 R)
• M3: 1,213,987 km (0.105 R)
• M4: 3,920,063 km (0.04 R)
• M5: 4,922,219 km (0.109 R)
• M6: 6,771,548 km (0.087 R)
• M7: 7,454,911 km (0.045 R)
• M8: 9,132,352 km (0.105 R)
• M9: 11,147,734 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.9

Radius: 10.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.22 AU - 5.32 AU

Year: 7066 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,885,170 km

• M1: 135,236 km (0.115 R)
• M2: 544,686 km (0.113 R)
• M3: 1,101,040 km (0.069 R)
• M4: 1,707,809 km (0.031 R)
• M5: 2,340,758 km (0.116 R)
• M6: 2,685,282 km (0.073 R)
• M7: 3,123,753 km (0.082 R)
• M8: 3,632,087 km (0.114 R)
• M9: 4,549,421 km (0.078 R)
• M10: 5,858,701 km (0.08 R)
• M11: 12,739,904 km (0.105 R)
• M12: 13,324,982 km (0.108 R)
• M13: 15,545,014 km (0.071 R)
• M14: 16,213,268 km (0.047 R)
• M15: 18,199,927 km (0.073 R)
• M16: 21,588,469 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.6

Radius: 5.3

Gravity: 31.03 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.8 AU - 9.38 AU

Year: 15607 Days

Day: 23.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 69,885,170 km

• M1: 66,272 km (0.042 R)
• M2: 616,194 km (0.114 R)
• M3: 893,398 km (0.049 R)
• M4: 1,223,561 km (0.115 R)
• M5: 1,409,810 km (0.095 R)
• M6: 1,768,696 km (0.114 R)
• M7: 4,738,513 km (0.05 R)
• M8: 5,128,664 km (0.09 R)
• M9: 6,513,342 km (0.072 R)
• M10: 6,773,642 km (0.114 R)
• M11: 7,040,674 km (0.071 R)
• M12: 7,407,638 km (0.07 R)
• M13: 8,898,530 km (0.115 R)
• M14: 9,273,123 km (0.062 R)
• M15: 9,996,728 km (0.03 R)
• M16: 12,996,016 km (0.091 R)
• M17: 14,405,377 km (0.081 R)
• M18: 14,625,137 km (0.099 R)
• M19: 15,222,331 km (0.103 R)
• M20: 15,680,849 km (0.117 R)
• M21: 17,690,846 km (0.097 R)
• M22: 22,311,176 km (0.067 R)
• M23: 23,102,100 km (0.082 R)
• M24: 26,234,530 km (0.069 R)
• M25: 26,782,806 km (0.096 R)
• M26: 27,115,362 km (0.105 R)
• M27: 27,788,702 km (0.099 R)
• M28: 29,168,892 km (0.104 R)
• M29: 32,065,107 km (0.116 R)
• M30: 35,015,027 km (0.082 R)
• M31: 35,279,815 km (0.077 R)
• M32: 36,896,520 km (0.083 R)
• M33: 38,001,450 km (0.103 R)
• M34: 40,713,509 km (0.09 R)
• M35: 43,704,719 km (0.117 R)
• M36: 44,165,779 km (0.092 R)
• M37: 45,253,954 km (0.107 R)
• M38: 51,645,822 km (0.069 R)
• M39: 63,591,212 km (0.116 R)
• M40: 65,980,590 km (0.058 R)
• M41: 69,258,728 km (0.109 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: 357 - 13,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit