🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.49 AU - 0.55 AU

Year: 242 Days

Day: 29.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.9

Radius: 11.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.84 AU - 0.9 AU

Year: 524 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,628,019 km

• M1: 139,276 km (0.082 R)
• M2: 565,031 km (0.082 R)
• M3: 973,134 km (0.093 R)
• M4: 1,481,767 km (0.077 R)
• M5: 2,076,119 km (0.111 R)
• M6: 2,550,793 km (0.107 R)
• M7: 2,953,511 km (0.081 R)
• M8: 3,421,004 km (0.113 R)
• M9: 3,900,914 km (0.039 R)
• M10: 4,866,868 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 12.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.76 AU - 1 AU

Year: 533 Days

Day: 12.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,628,019 km

• M1: 154,385 km (0.032 R)
• M2: 550,819 km (0.066 R)
• M3: 1,169,407 km (0.097 R)
• M4: 1,569,581 km (0.118 R)
• M5: 1,965,417 km (0.066 R)
• M6: 2,569,493 km (0.099 R)
• M7: 3,035,490 km (0.081 R)
• M8: 3,625,804 km (0.045 R)
• M9: 4,317,395 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.5

Radius: 12.6

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.92 AU - 4.64 AU

Year: 4745 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,628,019 km

• M1: 156,779 km (0.089 R)
• M2: 660,475 km (0.085 R)
• M3: 1,128,716 km (0.108 R)
• M4: 1,743,414 km (0.091 R)
• M5: 2,308,295 km (0.061 R)
• M6: 2,732,854 km (0.095 R)
• M7: 3,130,036 km (0.115 R)
• M8: 3,833,296 km (0.108 R)
• M9: 5,979,427 km (0.098 R)
• M10: 7,134,322 km (0.101 R)
• M11: 8,046,570 km (0.066 R)
• M12: 8,912,293 km (0.1 R)
• M13: 10,552,634 km (0.114 R)
• M14: 11,493,006 km (0.106 R)
• M15: 13,977,228 km (0.115 R)
• M16: 14,707,415 km (0.091 R)
• M17: 15,581,366 km (0.071 R)
• M18: 16,061,426 km (0.065 R)
• M19: 16,800,140 km (0.116 R)
• M20: 17,241,454 km (0.108 R)
• M21: 18,213,092 km (0.052 R)
• M22: 21,569,021 km (0.119 R)
• M23: 23,314,529 km (0.098 R)
• M24: 24,583,119 km (0.043 R)
• M25: 25,730,535 km (0.069 R)
• M26: 27,605,295 km (0.06 R)
• M27: 28,665,346 km (0.092 R)
• M28: 29,205,544 km (0.057 R)
• M29: 32,008,858 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.2

Radius: 9.9

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.57 AU - 4.33 AU

Year: 5069 Days

Day: 11.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 77.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,628,019 km

• M1: 123,119 km (0.101 R)
• M2: 1,546,094 km (0.075 R)
• M3: 2,284,060 km (0.09 R)
• M4: 2,979,840 km (0.097 R)
• M5: 3,388,392 km (0.115 R)
• M6: 4,168,993 km (0.107 R)
• M7: 4,870,907 km (0.11 R)
• M8: 7,307,706 km (0.098 R)
• M9: 8,974,675 km (0.111 R)
• M10: 9,786,543 km (0.093 R)
• M11: 10,415,602 km (0.049 R)
• M12: 11,312,292 km (0.079 R)
• M13: 11,804,319 km (0.098 R)
• M14: 12,517,303 km (0.085 R)
• M15: 12,884,416 km (0.11 R)
• M16: 13,204,705 km (0.047 R)
• M17: 14,654,907 km (0.089 R)
• M18: 17,671,847 km (0.101 R)
• M19: 18,334,865 km (0.047 R)
• M20: 18,672,507 km (0.117 R)
• M21: 19,851,787 km (0.119 R)
• M22: 20,713,471 km (0.102 R)
• M23: 24,985,388 km (0.079 R)
• M24: 27,020,966 km (0.096 R)
• M25: 27,458,540 km (0.099 R)
• M26: 27,900,751 km (0.071 R)
• M27: 29,996,916 km (0.072 R)
• M28: 30,655,296 km (0.09 R)
• M29: 31,806,003 km (0.095 R)
• M30: 32,293,992 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.1

Radius: 10.3

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.44 AU - 5.34 AU

Year: 5939 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,628,019 km

• M1: 128,056 km (0.109 R)
• M2: 564,732 km (0.099 R)
• M3: 1,146,219 km (0.11 R)
• M4: 1,557,015 km (0.106 R)
• M5: 2,325,648 km (0.042 R)
• M6: 2,777,135 km (0.108 R)
• M7: 4,103,918 km (0.027 R)
• M8: 5,197,928 km (0.116 R)
• M9: 5,909,415 km (0.118 R)
• M10: 6,238,381 km (0.059 R)
• M11: 6,649,326 km (0.104 R)
• M12: 7,412,275 km (0.12 R)
• M13: 8,192,129 km (0.108 R)
• M14: 9,330,569 km (0.077 R)
• M15: 10,619,205 km (0.079 R)
• M16: 11,609,842 km (0.054 R)
• M17: 13,889,265 km (0.101 R)
• M18: 14,355,112 km (0.095 R)
• M19: 15,627,592 km (0.113 R)
• M20: 17,708,798 km (0.078 R)
• M21: 19,749,013 km (0.111 R)
• M22: 24,207,179 km (0.079 R)
• M23: 25,310,613 km (0.092 R)
• M24: 26,624,980 km (0.111 R)
• M25: 30,351,762 km (0.094 R)
• M26: 31,534,334 km (0.093 R)
• M27: 32,035,935 km (0.093 R)
• M28: 33,158,368 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56

Radius: 14.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.19 AU - 4.82 AU

Year: 6164 Days

Day: 11.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,628,019 km

• M1: 210,484 km (0.098 R)
• M2: 1,211,593 km (0.107 R)
• M3: 3,641,212 km (0.091 R)
• M4: 6,065,595 km (0.09 R)
• M5: 8,237,906 km (0.096 R)
• M6: 11,809,555 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.5

Radius: 6.8

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.95 AU - 8.39 AU

Year: 12396 Days

Day: 20.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,628,019 km

• M1: 84,672 km (0.081 R)
• M2: 408,552 km (0.085 R)
• M3: 784,641 km (0.12 R)
• M4: 1,284,148 km (0.109 R)
• M5: 2,407,329 km (0.071 R)
• M6: 2,633,970 km (0.109 R)
• M7: 2,897,561 km (0.11 R)
• M8: 3,452,270 km (0.096 R)
• M9: 4,249,776 km (0.053 R)
• M10: 6,089,980 km (0.085 R)
• M11: 6,792,791 km (0.055 R)
• M12: 8,265,881 km (0.107 R)
• M13: 8,641,222 km (0.105 R)
• M14: 9,275,517 km (0.05 R)
• M15: 9,835,910 km (0.1 R)
• M16: 10,472,898 km (0.111 R)
• M17: 11,479,393 km (0.045 R)
• M18: 13,044,785 km (0.097 R)
• M19: 16,154,176 km (0.038 R)
• M20: 16,964,847 km (0.084 R)
• M21: 19,069,390 km (0.035 R)
• M22: 19,477,344 km (0.1 R)
• M23: 24,644,454 km (0.086 R)
• M24: 25,717,819 km (0.103 R)
• M25: 28,378,118 km (0.12 R)
• M26: 32,011,700 km (0.103 R)
• M27: 32,472,163 km (0.069 R)
• M28: 34,962,518 km (0.071 R)
• M29: 39,128,520 km (0.051 R)
• M30: 40,052,885 km (0.084 R)
• M31: 45,326,210 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.6

Radius: 5.3

Gravity: 33.27 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.04 AU - 11.12 AU

Year: 17666 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,628,019 km

• M1: 65,973 km (0.074 R)
• M2: 402,119 km (0.099 R)
• M3: 641,476 km (0.079 R)
• M4: 816,056 km (0.104 R)
• M5: 1,825,244 km (0.06 R)
• M6: 2,423,486 km (0.109 R)
• M7: 2,633,521 km (0.117 R)
• M8: 2,958,298 km (0.069 R)
• M9: 3,281,280 km (0.039 R)
• M10: 4,565,129 km (0.114 R)
• M11: 4,886,465 km (0.114 R)
• M12: 5,817,113 km (0.07 R)
• M13: 7,378,017 km (0.105 R)
• M14: 7,921,207 km (0.064 R)
• M15: 8,812,661 km (0.081 R)
• M16: 9,367,220 km (0.073 R)
• M17: 11,753,905 km (0.091 R)
• M18: 12,086,610 km (0.104 R)
• M19: 14,977,888 km (0.062 R)
• M20: 16,089,849 km (0.094 R)
• M21: 17,598,993 km (0.091 R)
• M22: 19,661,499 km (0.08 R)
• M23: 24,473,912 km (0.04 R)
• M24: 26,577,558 km (0.091 R)
• M25: 27,150,667 km (0.088 R)
• M26: 27,382,095 km (0.11 R)
• M27: 28,321,270 km (0.056 R)
• M28: 33,473,571 km (0.102 R)
• M29: 35,642,889 km (0.088 R)
• M30: 36,479,890 km (0.113 R)
• M31: 39,810,237 km (0.108 R)
• M32: 43,180,229 km (0.047 R)
• M33: 48,244,416 km (0.1 R)
• M34: 57,794,445 km (0.04 R)
• M35: 66,620,270 km (0.06 R)
• M36: 72,903,231 km (0.091 R)
• M37: 75,386,107 km (0.069 R)
• M38: 75,614,543 km (0.058 R)
• M39: 76,302,843 km (0.119 R)
• M40: 77,459,085 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.9

Radius: 3.8

Gravity: 56.43 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.32 AU - 11.12 AU

Year: 22662 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 87,628,019 km

• M1: 50,414 km (0.081 R)
• M2: 218,263 km (0.119 R)
• M3: 342,878 km (0.034 R)
• M4: 492,925 km (0.108 R)
• M5: 657,483 km (0.088 R)
• M6: 929,900 km (0.092 R)
• M7: 1,319,453 km (0.071 R)
• M8: 2,053,380 km (0.096 R)
• M9: 2,998,540 km (0.065 R)
• M10: 3,194,663 km (0.113 R)
• M11: 3,339,922 km (0.092 R)
• M12: 4,411,940 km (0.094 R)
• M13: 4,628,857 km (0.088 R)
• M14: 6,261,868 km (0.113 R)
• M15: 6,962,135 km (0.046 R)
• M16: 8,516,607 km (0.093 R)
• M17: 9,198,324 km (0.084 R)
• M18: 10,350,976 km (0.039 R)
• M19: 14,698,140 km (0.063 R)
• M20: 17,223,801 km (0.075 R)
• M21: 20,320,028 km (0.12 R)
• M22: 22,791,535 km (0.078 R)
• M23: 23,006,058 km (0.101 R)
• M24: 25,802,940 km (0.103 R)
• M25: 26,270,583 km (0.095 R)
• M26: 30,345,629 km (0.104 R)
• M27: 31,393,412 km (0.045 R)
• M28: 32,329,745 km (0.095 R)
• M29: 35,107,180 km (0.112 R)
• M30: 35,250,045 km (0.11 R)
• M31: 36,553,791 km (0.112 R)
• M32: 38,950,199 km (0.05 R)
• M33: 40,657,111 km (0.102 R)
• M34: 46,936,930 km (0.1 R)
• M35: 57,322,613 km (0.089 R)
• M36: 57,719,496 km (0.12 R)
• M37: 60,960,235 km (0.101 R)
• M38: 64,534,277 km (0.111 R)
• M39: 65,611,382 km (0.095 R)
• M40: 68,691,153 km (0.085 R)
• M41: 72,096,151 km (0.048 R)
• M42: 81,472,347 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 13,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit