🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.8

Radius: 12.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.55 AU - 0.69 AU

Year: 331 Days

Day: 13 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,314,851 km

• M1: 151,842 km (0.104 R)
• M2: 553,063 km (0.067 R)
• M3: 985,102 km (0.118 R)
• M4: 1,416,393 km (0.096 R)
• M5: 1,856,061 km (0.082 R)
• M6: 2,358,261 km (0.115 R)
• M7: 2,899,506 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.1

Radius: 10.6

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.96 AU - 1.5 AU

Year: 925 Days

Day: 11.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 115.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,314,851 km

• M1: 132,245 km (0.08 R)
• M2: 562,787 km (0.105 R)
• M3: 1,061,995 km (0.078 R)
• M4: 1,552,377 km (0.084 R)
• M5: 1,983,369 km (0.119 R)
• M6: 2,799,874 km (0.111 R)
• M7: 3,145,146 km (0.12 R)
• M8: 5,422,923 km (0.113 R)
• M9: 6,180,786 km (0.086 R)
• M10: 6,585,448 km (0.079 R)
• M11: 8,090,253 km (0.078 R)
• M12: 8,492,970 km (0.1 R)
• M13: 9,367,968 km (0.092 R)
• M14: 10,055,221 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 12.7

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.54 AU - 1.64 AU

Year: 1360 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,314,851 km

• M1: 162,613 km (0.089 R)
• M2: 596,596 km (0.102 R)
• M3: 1,063,790 km (0.118 R)
• M4: 1,526,646 km (0.087 R)
• M5: 2,901,451 km (0.061 R)
• M6: 3,859,176 km (0.113 R)
• M7: 5,368,469 km (0.077 R)
• M8: 5,956,987 km (0.035 R)
• M9: 6,988,315 km (0.12 R)
• M10: 8,806,677 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 12.7

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.54 AU - 2.56 AU

Year: 2762 Days

Day: 9.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,314,851 km

• M1: 157,975 km (0.097 R)
• M2: 698,772 km (0.066 R)
• M3: 1,132,755 km (0.118 R)
• M4: 1,881,792 km (0.107 R)
• M5: 2,481,978 km (0.099 R)
• M6: 2,940,795 km (0.082 R)
• M7: 3,576,885 km (0.099 R)
• M8: 4,263,839 km (0.033 R)
• M9: 4,670,745 km (0.12 R)
• M10: 6,382,892 km (0.035 R)
• M11: 7,083,908 km (0.116 R)
• M12: 8,077,537 km (0.101 R)
• M13: 8,576,296 km (0.116 R)
• M14: 9,808,833 km (0.086 R)
• M15: 10,377,155 km (0.095 R)
• M16: 11,156,261 km (0.11 R)
• M17: 12,458,959 km (0.086 R)
• M18: 12,873,046 km (0.098 R)
• M19: 13,772,878 km (0.059 R)
• M20: 15,697,604 km (0.054 R)
• M21: 16,624,961 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 11.3

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.43 AU - 4.33 AU

Year: 5184 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,314,851 km

• M1: 140,622 km (0.113 R)
• M2: 547,827 km (0.119 R)
• M3: 988,992 km (0.055 R)
• M4: 2,194,750 km (0.095 R)
• M5: 2,675,408 km (0.069 R)
• M6: 3,040,278 km (0.077 R)
• M7: 3,418,910 km (0.071 R)
• M8: 4,090,903 km (0.111 R)
• M9: 4,626,763 km (0.079 R)
• M10: 5,261,956 km (0.12 R)
• M11: 5,698,332 km (0.107 R)
• M12: 6,398,301 km (0.1 R)
• M13: 7,386,395 km (0.07 R)
• M14: 8,219,057 km (0.054 R)
• M15: 9,036,160 km (0.034 R)
• M16: 9,744,357 km (0.037 R)
• M17: 10,404,532 km (0.085 R)
• M18: 11,768,565 km (0.102 R)
• M19: 12,232,917 km (0.046 R)
• M20: 13,397,686 km (0.063 R)
• M21: 14,635,010 km (0.099 R)
• M22: 15,118,062 km (0.102 R)
• M23: 16,458,608 km (0.116 R)
• M24: 17,335,700 km (0.104 R)
• M25: 20,286,518 km (0.069 R)
• M26: 21,226,591 km (0.051 R)
• M27: 25,202,304 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.4

Radius: 15

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.05 AU - 5.91 AU

Year: 8701 Days

Day: 11.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,314,851 km

• M1: 186,549 km (0.036 R)
• M2: 727,195 km (0.056 R)
• M3: 1,554,322 km (0.105 R)
• M4: 2,127,132 km (0.079 R)
• M5: 2,640,253 km (0.044 R)
• M6: 3,732,018 km (0.106 R)
• M7: 5,588,378 km (0.107 R)
• M8: 7,250,410 km (0.036 R)
• M9: 10,565,649 km (0.044 R)
• M10: 15,324,656 km (0.089 R)
• M11: 22,255,974 km (0.096 R)
• M12: 23,111,973 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.8

Radius: 6.1

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.74 AU - 9.94 AU

Year: 16336 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,314,851 km

• M1: 75,996 km (0.096 R)
• M2: 741,257 km (0.082 R)
• M3: 2,341,955 km (0.118 R)
• M4: 2,664,188 km (0.076 R)
• M5: 3,450,924 km (0.049 R)
• M6: 3,811,155 km (0.09 R)
• M7: 5,254,924 km (0.098 R)
• M8: 10,080,353 km (0.103 R)
• M9: 11,893,629 km (0.089 R)
• M10: 12,650,295 km (0.069 R)
• M11: 14,051,279 km (0.074 R)
• M12: 21,417,628 km (0.07 R)
• M13: 22,535,722 km (0.112 R)
• M14: 22,821,155 km (0.12 R)
• M15: 23,399,501 km (0.106 R)
• M16: 28,271,604 km (0.038 R)
• M17: 29,388,950 km (0.102 R)
• M18: 32,069,744 km (0.075 R)
• M19: 32,310,298 km (0.112 R)
• M20: 33,655,033 km (0.078 R)
• M21: 35,548,194 km (0.107 R)
• M22: 36,848,948 km (0.082 R)
• M23: 37,912,140 km (0.101 R)
• M24: 39,545,150 km (0.051 R)
• M25: 41,224,536 km (0.081 R)
• M26: 48,417,949 km (0.051 R)
• M27: 50,176,771 km (0.096 R)
• M28: 53,990,769 km (0.065 R)
• M29: 55,016,562 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.1

Radius: 5.6

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.84 AU - 10.74 AU

Year: 19205 Days

Day: 24.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,314,851 km

• M1: 70,461 km (0.113 R)
• M2: 287,078 km (0.082 R)
• M3: 506,688 km (0.056 R)
• M4: 720,613 km (0.076 R)
• M5: 903,721 km (0.085 R)
• M6: 1,279,959 km (0.109 R)
• M7: 1,473,090 km (0.113 R)
• M8: 4,876,741 km (0.11 R)
• M9: 8,717,666 km (0.097 R)
• M10: 9,307,082 km (0.112 R)
• M11: 10,505,510 km (0.08 R)
• M12: 11,049,448 km (0.078 R)
• M13: 21,037,949 km (0.117 R)
• M14: 22,987,358 km (0.081 R)
• M15: 23,902,598 km (0.053 R)
• M16: 25,053,903 km (0.119 R)
• M17: 29,080,031 km (0.059 R)
• M18: 30,877,749 km (0.063 R)
• M19: 34,036,358 km (0.111 R)
• M20: 34,825,188 km (0.096 R)
• M21: 35,491,796 km (0.098 R)
• M22: 39,527,049 km (0.107 R)
• M23: 40,839,022 km (0.093 R)
• M24: 41,282,729 km (0.059 R)
• M25: 41,729,578 km (0.065 R)
• M26: 48,991,807 km (0.11 R)
• M27: 53,977,904 km (0.036 R)
• M28: 54,155,476 km (0.086 R)
• M29: 56,318,662 km (0.103 R)
• M30: 57,978,450 km (0.103 R)
• M31: 58,726,439 km (0.085 R)
• M32: 60,241,716 km (0.108 R)
• M33: 61,201,835 km (0.082 R)
• M34: 62,955,870 km (0.065 R)
• M35: 63,152,741 km (0.096 R)
• M36: 64,542,805 km (0.115 R)
• M37: 68,626,527 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.7

Radius: 4.1

Gravity: 31.69 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 10.05 AU - 10.77 AU

Year: 22781 Days

Day: 24.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 76,314,851 km

• M1: 51,162 km (0.037 R)
• M2: 186,100 km (0.091 R)
• M3: 406,158 km (0.079 R)
• M4: 590,762 km (0.038 R)
• M5: 931,247 km (0.092 R)
• M6: 1,242,560 km (0.062 R)
• M7: 1,470,248 km (0.1 R)
• M8: 1,930,261 km (0.06 R)
• M9: 5,192,692 km (0.117 R)
• M10: 6,726,219 km (0.044 R)
• M11: 7,187,579 km (0.104 R)
• M12: 7,818,284 km (0.091 R)
• M13: 9,931,354 km (0.032 R)
• M14: 10,286,948 km (0.119 R)
• M15: 10,651,069 km (0.065 R)
• M16: 11,993,261 km (0.099 R)
• M17: 13,301,195 km (0.077 R)
• M18: 13,660,530 km (0.099 R)
• M19: 15,319,121 km (0.052 R)
• M20: 17,790,628 km (0.086 R)
• M21: 21,678,975 km (0.094 R)
• M22: 24,563,671 km (0.078 R)
• M23: 24,778,943 km (0.062 R)
• M24: 27,231,450 km (0.078 R)
• M25: 28,279,832 km (0.033 R)
• M26: 30,086,226 km (0.098 R)
• M27: 31,206,116 km (0.086 R)
• M28: 36,661,352 km (0.086 R)
• M29: 36,942,596 km (0.108 R)
• M30: 40,731,012 km (0.046 R)
• M31: 45,576,487 km (0.112 R)
• M32: 48,559,020 km (0.047 R)
• M33: 48,728,514 km (0.049 R)
• M34: 55,832,917 km (0.1 R)
• M35: 56,205,117 km (0.063 R)
• M36: 59,436,730 km (0.1 R)
• M37: 60,999,429 km (0.101 R)
• M38: 63,192,534 km (0.075 R)
• M39: 66,684,448 km (0.083 R)
• M40: 70,519,539 km (0.111 R)
• M41: 74,499,141 km (0.115 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: 304 - 16,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit