🌌 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: 231.5

Radius: 14.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.41 AU - 0.69 AU

Year: 277 Days

Day: 11 Hours

Environment

Temp: -154 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,659,554 km

• M1: 179,368 km (0.116 R)
• M2: 673,190 km (0.109 R)
• M3: 1,182,272 km (0.059 R)
• M4: 1,889,122 km (0.039 R)
• M5: 2,521,622 km (0.11 R)
• M6: 3,019,633 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.2

Radius: 11.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.7 AU - 0.8 AU

Year: 441 Days

Day: 11.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,659,554 km

• M1: 141,819 km (0.1 R)
• M2: 533,915 km (0.052 R)
• M3: 1,099,096 km (0.092 R)
• M4: 1,565,841 km (0.047 R)
• M5: 2,069,836 km (0.096 R)
• M6: 2,963,534 km (0.114 R)
• M7: 3,337,080 km (0.105 R)
• M8: 3,780,637 km (0.082 R)
• M9: 4,180,213 km (0.069 R)
• M10: 4,652,344 km (0.109 R)
• M11: 5,033,520 km (0.094 R)
• M12: 5,435,639 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425

Radius: 10.7

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.15 AU - 1.23 AU

Year: 880 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,659,554 km

• M1: 133,142 km (0.056 R)
• M2: 477,217 km (0.103 R)
• M3: 810,970 km (0.115 R)
• M4: 1,576,014 km (0.071 R)
• M5: 2,094,669 km (0.098 R)
• M6: 2,624,246 km (0.114 R)
• M7: 2,993,453 km (0.069 R)
• M8: 4,362,274 km (0.107 R)
• M9: 5,337,353 km (0.092 R)
• M10: 5,762,211 km (0.07 R)
• M11: 7,151,825 km (0.11 R)
• M12: 7,692,023 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 9.8

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.71 AU - 1.91 AU

Year: 1652 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,659,554 km

• M1: 121,922 km (0.115 R)
• M2: 477,516 km (0.096 R)
• M3: 820,993 km (0.065 R)
• M4: 1,132,605 km (0.116 R)
• M5: 1,450,501 km (0.096 R)
• M6: 1,984,865 km (0.085 R)
• M7: 2,674,361 km (0.085 R)
• M8: 3,397,667 km (0.081 R)
• M9: 3,850,799 km (0.065 R)
• M10: 4,265,484 km (0.09 R)
• M11: 5,252,082 km (0.104 R)
• M12: 5,715,387 km (0.096 R)
• M13: 6,307,046 km (0.085 R)
• M14: 6,939,247 km (0.058 R)
• M15: 8,768,230 km (0.086 R)
• M16: 9,759,915 km (0.077 R)
• M17: 10,106,533 km (0.096 R)
• M18: 10,714,798 km (0.032 R)
• M19: 12,523,735 km (0.072 R)
• M20: 12,850,906 km (0.109 R)
• M21: 14,617,657 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 11.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.53 AU - 2.43 AU

Year: 1890 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,659,554 km

• M1: 140,622 km (0.064 R)
• M2: 523,443 km (0.094 R)
• M3: 985,850 km (0.079 R)
• M4: 1,400,535 km (0.113 R)
• M5: 1,891,964 km (0.04 R)
• M6: 2,477,490 km (0.113 R)
• M7: 3,100,416 km (0.076 R)
• M8: 3,785,724 km (0.112 R)
• M9: 4,349,408 km (0.069 R)
• M10: 5,680,082 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.7

Radius: 8.2

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.61 AU - 2.63 AU

Year: 2876 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,659,554 km

• M1: 102,026 km (0.081 R)
• M2: 488,287 km (0.042 R)
• M3: 1,052,271 km (0.096 R)
• M4: 1,359,545 km (0.115 R)
• M5: 2,275,084 km (0.099 R)
• M6: 2,887,987 km (0.095 R)
• M7: 3,208,575 km (0.105 R)
• M8: 4,607,166 km (0.074 R)
• M9: 4,934,037 km (0.077 R)
• M10: 6,293,732 km (0.086 R)
• M11: 7,348,247 km (0.079 R)
• M12: 8,678,621 km (0.07 R)
• M13: 9,803,448 km (0.06 R)
• M14: 11,176,906 km (0.119 R)
• M15: 12,758,754 km (0.095 R)
• M16: 14,346,436 km (0.102 R)
• M17: 15,523,621 km (0.04 R)
• M18: 15,913,623 km (0.099 R)
• M19: 17,071,361 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.3

Radius: 8.2

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.78 AU - 3.34 AU

Year: 3631 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,659,554 km

• M1: 109,356 km (0.107 R)
• M2: 544,387 km (0.078 R)
• M3: 802,293 km (0.047 R)
• M4: 1,219,671 km (0.094 R)
• M5: 2,507,859 km (0.074 R)
• M6: 4,118,280 km (0.116 R)
• M7: 4,658,627 km (0.107 R)
• M8: 5,339,896 km (0.106 R)
• M9: 6,648,279 km (0.062 R)
• M10: 7,303,368 km (0.092 R)
• M11: 7,571,148 km (0.073 R)
• M12: 7,969,677 km (0.094 R)
• M13: 9,044,089 km (0.047 R)
• M14: 9,457,727 km (0.111 R)
• M15: 10,622,945 km (0.083 R)
• M16: 11,122,602 km (0.091 R)
• M17: 13,950,301 km (0.076 R)
• M18: 15,262,424 km (0.117 R)
• M19: 16,400,115 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.4

Radius: 12.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.96 AU - 4.64 AU

Year: 5024 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,659,554 km

• M1: 154,086 km (0.099 R)
• M2: 606,619 km (0.086 R)
• M3: 1,316,611 km (0.086 R)
• M4: 2,014,036 km (0.109 R)
• M5: 2,842,958 km (0.098 R)
• M6: 3,384,203 km (0.053 R)
• M7: 4,190,536 km (0.119 R)
• M8: 5,171,898 km (0.061 R)
• M9: 5,594,362 km (0.07 R)
• M10: 5,982,868 km (0.094 R)
• M11: 7,291,101 km (0.094 R)
• M12: 7,755,752 km (0.077 R)
• M13: 8,275,455 km (0.076 R)
• M14: 8,818,346 km (0.042 R)
• M15: 11,145,041 km (0.107 R)
• M16: 11,628,542 km (0.042 R)
• M17: 12,403,459 km (0.073 R)
• M18: 14,778,175 km (0.087 R)
• M19: 16,690,634 km (0.095 R)
• M20: 20,150,235 km (0.067 R)
• M21: 21,537,306 km (0.106 R)
• M22: 21,944,960 km (0.088 R)
• M23: 22,986,910 km (0.063 R)
• M24: 23,555,980 km (0.085 R)
• M25: 24,134,475 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.6

Radius: 3.5

Gravity: 34.99 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.56 AU - 6.58 AU

Year: 11422 Days

Day: 22 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,659,554 km

• M1: 75,098 km (0.119 R)
• M2: 259,552 km (0.112 R)
• M3: 1,551,629 km (0.117 R)
• M4: 1,818,063 km (0.073 R)
• M5: 2,460,586 km (0.112 R)
• M6: 2,929,276 km (0.107 R)
• M7: 3,503,283 km (0.119 R)
• M8: 4,870,159 km (0.118 R)
• M9: 4,992,829 km (0.092 R)
• M10: 5,308,630 km (0.1 R)
• M11: 5,671,255 km (0.111 R)
• M12: 5,841,498 km (0.104 R)
• M13: 6,519,475 km (0.094 R)
• M14: 7,129,835 km (0.116 R)
• M15: 8,596,043 km (0.054 R)
• M16: 8,911,695 km (0.073 R)
• M17: 9,281,650 km (0.118 R)
• M18: 12,851,504 km (0.084 R)
• M19: 13,086,223 km (0.032 R)
• M20: 15,002,572 km (0.118 R)
• M21: 17,524,942 km (0.089 R)
• M22: 18,848,434 km (0.102 R)
• M23: 24,449,229 km (0.088 R)
• M24: 24,628,896 km (0.086 R)
• M25: 24,899,967 km (0.11 R)
• M26: 25,540,545 km (0.118 R)
• M27: 25,725,448 km (0.046 R)
• M28: 26,379,939 km (0.106 R)
• M29: 27,430,714 km (0.105 R)
• M30: 32,886,698 km (0.111 R)
• M31: 33,105,560 km (0.113 R)
• M32: 33,879,579 km (0.11 R)
• M33: 34,665,567 km (0.114 R)
• M34: 35,120,195 km (0.054 R)
• M35: 35,348,930 km (0.093 R)
• M36: 37,452,575 km (0.095 R)
• M37: 38,051,565 km (0.07 R)
• M38: 40,762,428 km (0.112 R)

Asteroid Belt

Center: 7.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.4

Radius: 8

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.31 AU - 8.37 AU

Year: 16336 Days

Day: 20.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,659,554 km

• M1: 99,483 km (0.078 R)
• M2: 782,098 km (0.09 R)
• M3: 1,144,424 km (0.119 R)
• M4: 2,005,359 km (0.084 R)
• M5: 2,413,911 km (0.075 R)
• M6: 3,242,983 km (0.105 R)
• M7: 3,893,434 km (0.109 R)
• M8: 4,436,026 km (0.119 R)
• M9: 5,201,668 km (0.114 R)
• M10: 5,597,653 km (0.067 R)
• M11: 6,531,742 km (0.096 R)
• M12: 6,822,860 km (0.03 R)
• M13: 8,606,366 km (0.117 R)
• M14: 8,906,010 km (0.069 R)
• M15: 9,368,567 km (0.079 R)
• M16: 14,770,995 km (0.111 R)
• M17: 17,319,394 km (0.113 R)
• M18: 20,322,572 km (0.104 R)
• M19: 24,642,808 km (0.116 R)
• M20: 26,592,966 km (0.088 R)
• M21: 27,444,178 km (0.06 R)
• M22: 32,936,365 km (0.042 R)
• M23: 34,540,952 km (0.119 R)
• M24: 35,298,665 km (0.091 R)
• M25: 42,337,693 km (0.108 R)
• M26: 48,979,540 km (0.115 R)
• M27: 51,393,600 km (0.116 R)
• M28: 51,885,777 km (0.114 R)
• M29: 57,157,008 km (0.111 R)
• M30: 61,290,996 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 19,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit