🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.8

Radius: 8.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.35 AU - 2.07 AU

Year: 1491 Days

Day: 12.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,657,057 km

• M1: 102,026 km (0.09 R)
• M2: 398,828 km (0.093 R)
• M3: 1,095,056 km (0.112 R)
• M4: 1,546,094 km (0.108 R)
• M5: 1,959,732 km (0.062 R)
• M6: 2,740,035 km (0.094 R)
• M7: 3,547,714 km (0.114 R)
• M8: 4,379,178 km (0.037 R)
• M9: 4,650,699 km (0.115 R)
• M10: 6,341,603 km (0.108 R)
• M11: 7,008,211 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.3

Radius: 8.9

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.03 AU - 2.09 AU

Year: 1972 Days

Day: 13.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,657,057 km

• M1: 110,702 km (0.119 R)
• M2: 571,165 km (0.104 R)
• M3: 1,390,363 km (0.083 R)
• M4: 1,700,928 km (0.09 R)
• M5: 1,987,408 km (0.1 R)
• M6: 4,309,017 km (0.097 R)
• M7: 4,635,440 km (0.038 R)
• M8: 5,292,473 km (0.115 R)
• M9: 6,035,077 km (0.081 R)
• M10: 7,234,403 km (0.033 R)
• M11: 9,371,409 km (0.107 R)
• M12: 10,311,931 km (0.052 R)
• M13: 11,898,117 km (0.078 R)
• M14: 12,461,203 km (0.085 R)
• M15: 15,171,019 km (0.118 R)
• M16: 15,499,835 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361

Radius: 11.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.9 AU - 2.5 AU

Year: 2176 Days

Day: 14.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,657,057 km

• M1: 146,756 km (0.04 R)
• M2: 540,048 km (0.083 R)
• M3: 956,379 km (0.107 R)
• M4: 1,343,538 km (0.116 R)
• M5: 1,737,729 km (0.095 R)
• M6: 2,233,646 km (0.117 R)
• M7: 3,051,647 km (0.107 R)
• M8: 3,563,272 km (0.105 R)
• M9: 4,131,594 km (0.04 R)
• M10: 4,660,572 km (0.117 R)
• M11: 5,808,885 km (0.064 R)
• M12: 7,677,662 km (0.111 R)
• M13: 8,158,170 km (0.113 R)
• M14: 8,932,040 km (0.057 R)
• M15: 9,495,874 km (0.093 R)
• M16: 9,917,890 km (0.101 R)
• M17: 10,522,714 km (0.063 R)
• M18: 11,585,607 km (0.112 R)
• M19: 12,757,557 km (0.103 R)
• M20: 13,272,024 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 9.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.43 AU - 2.85 AU

Year: 2860 Days

Day: 12.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,657,057 km

• M1: 121,922 km (0.051 R)
• M2: 445,951 km (0.088 R)
• M3: 939,325 km (0.049 R)
• M4: 1,496,428 km (0.084 R)
• M5: 2,273,888 km (0.103 R)
• M6: 2,780,127 km (0.093 R)
• M7: 3,850,500 km (0.113 R)
• M8: 4,479,559 km (0.088 R)
• M9: 5,765,352 km (0.064 R)
• M10: 6,660,995 km (0.041 R)
• M11: 7,541,229 km (0.041 R)
• M12: 9,440,074 km (0.116 R)
• M13: 11,743,732 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.8

Radius: 12.8

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.43 AU - 3.79 AU

Year: 3657 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,657,057 km

• M1: 159,920 km (0.107 R)
• M2: 683,662 km (0.078 R)
• M3: 1,210,696 km (0.105 R)
• M4: 1,762,113 km (0.112 R)
• M5: 3,143,650 km (0.115 R)
• M6: 3,701,201 km (0.059 R)
• M7: 4,128,602 km (0.113 R)
• M8: 4,832,310 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.8

Radius: 11.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.28 AU - 4.42 AU

Year: 5038 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 69.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,657,057 km

• M1: 169,644 km (0.066 R)
• M2: 681,568 km (0.095 R)
• M3: 1,087,577 km (0.078 R)
• M4: 1,955,693 km (0.114 R)
• M5: 2,866,744 km (0.097 R)
• M6: 3,521,384 km (0.082 R)
• M7: 8,168,642 km (0.029 R)
• M8: 12,099,925 km (0.108 R)
• M9: 13,443,313 km (0.105 R)
• M10: 13,965,410 km (0.045 R)
• M11: 14,994,494 km (0.088 R)
• M12: 16,015,499 km (0.071 R)
• M13: 19,356,917 km (0.026 R)
• M14: 20,498,349 km (0.103 R)
• M15: 22,475,584 km (0.115 R)
• M16: 26,642,483 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.2

Radius: 12.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.92 AU - 4.92 AU

Year: 7277 Days

Day: 6.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,657,057 km

• M1: 156,629 km (0.08 R)
• M2: 701,165 km (0.11 R)
• M3: 1,632,711 km (0.119 R)
• M4: 2,622,750 km (0.108 R)
• M5: 3,272,603 km (0.092 R)
• M6: 4,593,103 km (0.063 R)
• M7: 5,008,836 km (0.029 R)
• M8: 5,664,224 km (0.12 R)
• M9: 6,242,420 km (0.092 R)
• M10: 11,456,355 km (0.062 R)
• M11: 15,588,098 km (0.059 R)
• M12: 16,277,146 km (0.107 R)
• M13: 19,667,931 km (0.056 R)
• M14: 20,546,968 km (0.119 R)
• M15: 21,451,886 km (0.05 R)
• M16: 21,914,293 km (0.108 R)
• M17: 22,938,889 km (0.049 R)
• M18: 25,425,205 km (0.105 R)
• M19: 26,292,424 km (0.111 R)
• M20: 26,733,439 km (0.091 R)
• M21: 27,179,390 km (0.113 R)
• M22: 30,441,072 km (0.035 R)
• M23: 31,221,824 km (0.109 R)
• M24: 34,373,402 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.4

Radius: 3.1

Gravity: 36.36 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.69 AU - 6.93 AU

Year: 10570 Days

Day: 22.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,657,057 km

• M1: 38,596 km (0.113 R)
• M2: 244,144 km (0.099 R)
• M3: 472,879 km (0.06 R)
• M4: 744,399 km (0.08 R)
• M5: 1,267,692 km (0.112 R)
• M6: 1,478,326 km (0.066 R)
• M7: 1,711,699 km (0.094 R)
• M8: 2,148,973 km (0.083 R)
• M9: 2,251,598 km (0.117 R)
• M10: 2,522,669 km (0.078 R)
• M11: 4,456,670 km (0.07 R)
• M12: 4,680,768 km (0.116 R)
• M13: 5,274,073 km (0.102 R)
• M14: 5,588,677 km (0.104 R)
• M15: 5,718,079 km (0.037 R)
• M16: 6,255,435 km (0.102 R)
• M17: 7,468,674 km (0.078 R)
• M18: 8,656,930 km (0.106 R)
• M19: 8,917,679 km (0.119 R)
• M20: 10,252,092 km (0.073 R)
• M21: 11,661,304 km (0.105 R)
• M22: 17,466,449 km (0.061 R)
• M23: 20,749,225 km (0.105 R)
• M24: 22,821,454 km (0.066 R)
• M25: 23,738,190 km (0.085 R)
• M26: 25,202,903 km (0.096 R)
• M27: 28,884,506 km (0.091 R)
• M28: 29,271,217 km (0.034 R)
• M29: 30,953,445 km (0.106 R)
• M30: 34,077,497 km (0.049 R)
• M31: 34,509,237 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179

Radius: 6.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.57 AU - 9.13 AU

Year: 16090 Days

Day: 22.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,657,057 km

• M1: 95,892 km (0.072 R)
• M2: 873,652 km (0.072 R)
• M3: 1,139,637 km (0.12 R)
• M4: 1,578,856 km (0.102 R)
• M5: 2,125,487 km (0.12 R)
• M6: 3,216,953 km (0.079 R)
• M7: 4,360,479 km (0.098 R)
• M8: 4,963,807 km (0.05 R)
• M9: 5,427,710 km (0.07 R)
• M10: 7,458,351 km (0.108 R)
• M11: 8,234,764 km (0.049 R)
• M12: 10,286,948 km (0.102 R)
• M13: 11,830,499 km (0.1 R)
• M14: 12,998,858 km (0.116 R)
• M15: 14,673,606 km (0.117 R)
• M16: 17,729,292 km (0.083 R)
• M17: 18,156,694 km (0.077 R)
• M18: 19,405,237 km (0.053 R)
• M19: 21,584,878 km (0.097 R)
• M20: 28,507,221 km (0.086 R)
• M21: 30,697,782 km (0.038 R)
• M22: 32,359,815 km (0.043 R)
• M23: 32,678,009 km (0.07 R)
• M24: 33,320,532 km (0.09 R)
• M25: 33,645,010 km (0.099 R)
• M26: 34,741,712 km (0.086 R)
• M27: 38,529,829 km (0.09 R)
• M28: 40,954,811 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.1

Radius: 6.6

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.68 AU - 8.88 AU

Year: 17349 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,657,057 km

• M1: 82,728 km (0.1 R)
• M2: 288,275 km (0.096 R)
• M3: 711,936 km (0.11 R)
• M4: 1,003,503 km (0.098 R)
• M5: 1,530,237 km (0.115 R)
• M6: 1,864,588 km (0.052 R)
• M7: 2,076,867 km (0.095 R)
• M8: 2,305,303 km (0.087 R)
• M9: 3,167,137 km (0.104 R)
• M10: 5,649,713 km (0.078 R)
• M11: 5,870,968 km (0.085 R)
• M12: 6,449,463 km (0.096 R)
• M13: 7,946,340 km (0.098 R)
• M14: 8,702,258 km (0.093 R)
• M15: 11,257,689 km (0.097 R)
• M16: 11,846,805 km (0.104 R)
• M17: 14,478,531 km (0.063 R)
• M18: 14,754,539 km (0.059 R)
• M19: 17,243,847 km (0.119 R)
• M20: 17,553,964 km (0.089 R)
• M21: 21,661,472 km (0.105 R)
• M22: 22,113,557 km (0.107 R)
• M23: 25,858,291 km (0.106 R)
• M24: 26,675,395 km (0.104 R)
• M25: 28,253,802 km (0.12 R)
• M26: 28,576,784 km (0.118 R)
• M27: 31,595,369 km (0.091 R)
• M28: 31,827,097 km (0.061 R)
• M29: 34,085,276 km (0.112 R)
• M30: 37,734,567 km (0.11 R)
• M31: 45,946,144 km (0.111 R)
• M32: 47,902,884 km (0.12 R)
• M33: 48,516,085 km (0.104 R)
• M34: 53,445,934 km (0.095 R)
• M35: 53,940,055 km (0.11 R)
• M36: 57,140,403 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 18,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit