🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 12.6

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.13 AU - 1.41 AU

Year: 1006 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,375,387 km

• M1: 157,377 km (0.064 R)
• M2: 670,946 km (0.098 R)
• M3: 1,078,750 km (0.077 R)
• M4: 1,712,447 km (0.107 R)
• M5: 2,331,333 km (0.091 R)
• M6: 3,332,891 km (0.094 R)
• M7: 6,416,103 km (0.095 R)
• M8: 7,433,817 km (0.106 R)
• M9: 9,258,911 km (0.094 R)
• M10: 10,338,110 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.9

Radius: 13.3

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.52 AU - 1.82 AU

Year: 1517 Days

Day: 12.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,375,387 km

• M1: 165,605 km (0.088 R)
• M2: 588,967 km (0.075 R)
• M3: 1,740,571 km (0.108 R)
• M4: 2,264,164 km (0.052 R)
• M5: 3,635,827 km (0.102 R)
• M6: 4,560,042 km (0.102 R)
• M7: 5,394,798 km (0.043 R)
• M8: 6,425,677 km (0.032 R)
• M9: 6,924,287 km (0.07 R)
• M10: 7,395,072 km (0.088 R)
• M11: 11,208,620 km (0.108 R)
• M12: 12,961,010 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.7

Radius: 9.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.07 AU - 2.67 AU

Year: 2565 Days

Day: 13 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,375,387 km

• M1: 148,251 km (0.046 R)
• M2: 454,179 km (0.096 R)
• M3: 874,848 km (0.107 R)
• M4: 1,257,669 km (0.098 R)
• M5: 1,599,949 km (0.078 R)
• M6: 2,074,623 km (0.116 R)
• M7: 4,698,271 km (0.08 R)
• M8: 6,731,605 km (0.12 R)
• M9: 7,249,812 km (0.118 R)
• M10: 8,031,760 km (0.059 R)
• M11: 13,096,246 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.8

Radius: 12.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.37 AU - 2.59 AU

Year: 2745 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,375,387 km

• M1: 156,779 km (0.108 R)
• M2: 589,266 km (0.051 R)
• M3: 1,066,034 km (0.088 R)
• M4: 2,089,284 km (0.117 R)
• M5: 2,600,310 km (0.119 R)
• M6: 3,041,325 km (0.068 R)
• M7: 4,457,119 km (0.036 R)
• M8: 6,550,442 km (0.09 R)
• M9: 8,001,841 km (0.096 R)
• M10: 8,913,191 km (0.054 R)
• M11: 10,478,583 km (0.11 R)
• M12: 13,470,091 km (0.076 R)
• M13: 14,892,318 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.4

Radius: 8.7

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.56 AU - 4.46 AU

Year: 5644 Days

Day: 9 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 26,375,387 km

• M1: 108,458 km (0.08 R)
• M2: 396,734 km (0.095 R)
• M3: 1,025,643 km (0.066 R)
• M4: 2,186,522 km (0.109 R)
• M5: 2,502,024 km (0.071 R)
• M6: 3,102,660 km (0.099 R)
• M7: 3,394,226 km (0.086 R)
• M8: 4,008,924 km (0.113 R)
• M9: 4,305,128 km (0.115 R)
• M10: 4,669,099 km (0.117 R)
• M11: 5,639,391 km (0.105 R)
• M12: 7,122,803 km (0.059 R)
• M13: 7,558,881 km (0.084 R)
• M14: 7,897,421 km (0.07 R)
• M15: 8,444,351 km (0.051 R)
• M16: 9,058,001 km (0.058 R)
• M17: 9,440,374 km (0.067 R)
• M18: 12,581,480 km (0.1 R)
• M19: 15,202,584 km (0.061 R)
• M20: 18,368,674 km (0.1 R)
• M21: 23,582,758 km (0.062 R)
• M22: 24,880,669 km (0.12 R)
• M23: 26,225,404 km (0.095 R)
• M24: 27,177,744 km (0.074 R)
• M25: 30,835,263 km (0.084 R)
• M26: 31,314,275 km (0.11 R)
• M27: 33,080,278 km (0.091 R)
• M28: 33,987,739 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 14.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.28 AU - 4.74 AU

Year: 6732 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,375,387 km

• M1: 175,329 km (0.074 R)
• M2: 639,830 km (0.086 R)
• M3: 1,513,182 km (0.11 R)
• M4: 2,279,124 km (0.099 R)
• M5: 2,726,122 km (0.11 R)
• M6: 3,891,639 km (0.059 R)
• M7: 6,015,181 km (0.034 R)
• M8: 6,454,550 km (0.064 R)
• M9: 7,469,122 km (0.04 R)
• M10: 8,052,255 km (0.086 R)
• M11: 11,202,487 km (0.075 R)
• M12: 12,666,751 km (0.039 R)
• M13: 14,812,882 km (0.118 R)
• M14: 16,635,732 km (0.094 R)
• M15: 18,276,521 km (0.088 R)
• M16: 19,203,430 km (0.115 R)
• M17: 19,953,514 km (0.107 R)
• M18: 22,173,097 km (0.063 R)
• M19: 26,092,711 km (0.115 R)
• M20: 27,098,009 km (0.088 R)
• M21: 27,955,354 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.7

Radius: 7.7

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.05 AU - 6.35 AU

Year: 9566 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 26,375,387 km

• M1: 95,892 km (0.06 R)
• M2: 341,532 km (0.087 R)
• M3: 618,138 km (0.089 R)
• M4: 938,577 km (0.073 R)
• M5: 1,526,796 km (0.091 R)
• M6: 1,794,576 km (0.056 R)
• M7: 2,322,657 km (0.041 R)
• M8: 2,623,647 km (0.06 R)
• M9: 3,347,701 km (0.082 R)
• M10: 3,662,904 km (0.101 R)
• M11: 5,892,959 km (0.044 R)
• M12: 6,219,831 km (0.101 R)
• M13: 6,627,934 km (0.053 R)
• M14: 7,053,839 km (0.097 R)
• M15: 8,319,586 km (0.069 R)
• M16: 10,374,313 km (0.087 R)
• M17: 11,443,489 km (0.1 R)
• M18: 12,745,589 km (0.034 R)
• M19: 13,182,415 km (0.109 R)
• M20: 13,629,114 km (0.117 R)
• M21: 14,909,821 km (0.039 R)
• M22: 15,579,421 km (0.099 R)
• M23: 17,307,875 km (0.046 R)
• M24: 23,335,473 km (0.111 R)
• M25: 25,419,221 km (0.03 R)
• M26: 28,171,373 km (0.116 R)
• M27: 31,116,058 km (0.1 R)
• M28: 33,223,593 km (0.12 R)
• M29: 34,364,576 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.1

Radius: 5.7

Gravity: 29.7 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.89 AU - 7.91 AU

Year: 12740 Days

Day: 17.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 120.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 26,375,387 km

• M1: 74,350 km (0.106 R)
• M2: 259,253 km (0.11 R)
• M3: 545,883 km (0.066 R)
• M4: 1,092,364 km (0.11 R)
• M5: 1,485,507 km (0.071 R)
• M6: 1,896,153 km (0.085 R)
• M7: 2,594,177 km (0.062 R)
• M8: 3,188,978 km (0.065 R)
• M9: 3,504,929 km (0.071 R)
• M10: 3,988,130 km (0.118 R)
• M11: 4,677,925 km (0.063 R)
• M12: 5,016,615 km (0.112 R)
• M13: 7,267,315 km (0.075 R)
• M14: 7,908,791 km (0.114 R)
• M15: 11,938,359 km (0.109 R)
• M16: 12,960,561 km (0.089 R)
• M17: 15,032,043 km (0.069 R)
• M18: 16,070,402 km (0.093 R)
• M19: 16,684,651 km (0.058 R)
• M20: 19,557,378 km (0.096 R)
• M21: 20,080,971 km (0.036 R)
• M22: 23,322,458 km (0.098 R)
• M23: 25,529,026 km (0.096 R)
• M24: 28,645,299 km (0.112 R)
• M25: 29,094,093 km (0.06 R)
• M26: 32,247,018 km (0.1 R)
• M27: 38,947,058 km (0.114 R)
• M28: 40,053,783 km (0.111 R)
• M29: 43,499,470 km (0.088 R)
• M30: 43,795,375 km (0.086 R)
• M31: 47,449,901 km (0.073 R)
• M32: 50,483,447 km (0.086 R)
• M33: 53,474,208 km (0.079 R)
• M34: 54,496,709 km (0.118 R)
• M35: 54,840,485 km (0.088 R)
• M36: 57,464,731 km (0.038 R)
• M37: 57,999,543 km (0.094 R)
• M38: 61,092,479 km (0.07 R)
• M39: 61,835,831 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57

Radius: 6.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.21 AU - 8.59 AU

Year: 14150 Days

Day: 17.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,375,387 km

• M1: 157,078 km (0.1 R)
• M2: 374,892 km (0.12 R)
• M3: 1,458,729 km (0.047 R)
• M4: 1,679,236 km (0.037 R)
• M5: 1,976,188 km (0.117 R)
• M6: 2,277,478 km (0.044 R)
• M7: 3,330,497 km (0.051 R)
• M8: 5,963,570 km (0.116 R)
• M9: 7,270,457 km (0.04 R)
• M10: 7,539,583 km (0.113 R)
• M11: 9,256,967 km (0.055 R)
• M12: 10,480,378 km (0.069 R)
• M13: 11,533,996 km (0.077 R)
• M14: 12,997,213 km (0.095 R)
• M15: 17,159,025 km (0.104 R)
• M16: 17,396,736 km (0.04 R)
• M17: 17,939,627 km (0.071 R)
• M18: 20,158,612 km (0.055 R)
• M19: 21,574,407 km (0.063 R)
• M20: 23,417,602 km (0.076 R)
• M21: 24,677,964 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 19,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit