🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 8.7

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.44 AU - 1.52 AU

Year: 1201 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,450,075 km

• M1: 108,608 km (0.084 R)
• M2: 484,398 km (0.098 R)
• M3: 789,877 km (0.114 R)
• M4: 1,133,653 km (0.081 R)
• M5: 1,473,090 km (0.086 R)
• M6: 1,781,411 km (0.117 R)
• M7: 2,420,793 km (0.096 R)
• M8: 2,963,384 km (0.051 R)
• M9: 3,249,116 km (0.114 R)
• M10: 3,745,033 km (0.085 R)
• M11: 4,255,012 km (0.095 R)
• M12: 4,966,649 km (0.061 R)
• M13: 5,540,058 km (0.034 R)
• M14: 5,864,985 km (0.069 R)
• M15: 7,167,084 km (0.116 R)
• M16: 8,339,932 km (0.059 R)
• M17: 12,074,343 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.3

Radius: 12

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.48 AU - 2.34 AU

Year: 1760 Days

Day: 8.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,450,075 km

• M1: 149,299 km (0.108 R)
• M2: 611,257 km (0.119 R)
• M3: 1,677,890 km (0.094 R)
• M4: 4,424,507 km (0.072 R)
• M5: 4,994,325 km (0.101 R)
• M6: 5,470,944 km (0.095 R)
• M7: 5,903,431 km (0.104 R)
• M8: 6,437,047 km (0.06 R)
• M9: 8,079,781 km (0.119 R)
• M10: 8,515,111 km (0.108 R)
• M11: 9,466,852 km (0.111 R)
• M12: 9,846,083 km (0.092 R)
• M13: 11,196,353 km (0.055 R)
• M14: 11,620,763 km (0.106 R)
• M15: 12,257,152 km (0.112 R)
• M16: 13,469,942 km (0.1 R)
• M17: 14,852,974 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 10.1

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.1 AU - 2.26 AU

Year: 2146 Days

Day: 12.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,450,075 km

• M1: 126,560 km (0.116 R)
• M2: 578,046 km (0.095 R)
• M3: 1,246,599 km (0.093 R)
• M4: 3,233,857 km (0.079 R)
• M5: 3,709,578 km (0.12 R)
• M6: 4,173,332 km (0.034 R)
• M7: 5,083,485 km (0.068 R)
• M8: 7,014,943 km (0.106 R)
• M9: 8,114,488 km (0.074 R)
• M10: 9,869,570 km (0.078 R)
• M11: 10,185,072 km (0.043 R)
• M12: 11,514,847 km (0.065 R)
• M13: 12,544,829 km (0.11 R)
• M14: 15,016,185 km (0.087 R)
• M15: 15,387,338 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.1

Radius: 8.2

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.78 AU - 3.1 AU

Year: 3362 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,450,075 km

• M1: 121,324 km (0.109 R)
• M2: 899,382 km (0.105 R)
• M3: 2,275,683 km (0.059 R)
• M4: 3,739,498 km (0.102 R)
• M5: 4,159,718 km (0.074 R)
• M6: 4,872,851 km (0.067 R)
• M7: 5,169,953 km (0.099 R)
• M8: 5,800,657 km (0.072 R)
• M9: 6,134,709 km (0.058 R)
• M10: 6,780,523 km (0.055 R)
• M11: 9,176,034 km (0.065 R)
• M12: 11,253,500 km (0.054 R)
• M13: 11,642,454 km (0.111 R)
• M14: 12,356,036 km (0.111 R)
• M15: 12,723,748 km (0.117 R)
• M16: 16,644,558 km (0.099 R)
• M17: 18,427,765 km (0.04 R)
• M18: 22,437,586 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 8.5

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.62 AU - 3.7 AU

Year: 3746 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 178.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,450,075 km

• M1: 105,766 km (0.085 R)
• M2: 421,417 km (0.102 R)
• M3: 861,385 km (0.092 R)
• M4: 1,379,741 km (0.059 R)
• M5: 2,516,685 km (0.09 R)
• M6: 3,144,398 km (0.09 R)
• M7: 4,585,624 km (0.098 R)
• M8: 4,884,221 km (0.047 R)
• M9: 5,631,761 km (0.091 R)
• M10: 6,893,320 km (0.106 R)
• M11: 8,152,486 km (0.084 R)
• M12: 9,163,468 km (0.099 R)
• M13: 9,518,314 km (0.106 R)
• M14: 10,213,795 km (0.092 R)
• M15: 13,590,069 km (0.042 R)
• M16: 14,418,542 km (0.088 R)
• M17: 14,684,228 km (0.081 R)
• M18: 16,753,316 km (0.106 R)
• M19: 17,106,217 km (0.104 R)
• M20: 18,756,282 km (0.082 R)
• M21: 21,877,193 km (0.12 R)
• M22: 24,414,821 km (0.061 R)
• M23: 25,560,143 km (0.116 R)
• M24: 26,581,298 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.6

Radius: 3.5

Gravity: 41.52 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.88 AU - 8.48 AU

Year: 15601 Days

Day: 19.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 30,450,075 km

• M1: 43,683 km (0.102 R)
• M2: 163,062 km (0.088 R)
• M3: 463,005 km (0.112 R)
• M4: 781,499 km (0.108 R)
• M5: 1,104,780 km (0.065 R)
• M6: 4,522,194 km (0.067 R)
• M7: 4,845,774 km (0.113 R)
• M8: 5,047,283 km (0.1 R)
• M9: 5,502,958 km (0.088 R)
• M10: 5,759,368 km (0.079 R)
• M11: 7,380,112 km (0.045 R)
• M12: 8,485,790 km (0.103 R)
• M13: 9,487,796 km (0.098 R)
• M14: 10,510,298 km (0.08 R)
• M15: 10,734,694 km (0.118 R)
• M16: 12,271,065 km (0.066 R)
• M17: 12,645,358 km (0.027 R)
• M18: 12,899,076 km (0.119 R)
• M19: 13,285,936 km (0.106 R)
• M20: 13,947,907 km (0.065 R)
• M21: 15,123,298 km (0.038 R)
• M22: 16,363,165 km (0.079 R)
• M23: 18,550,286 km (0.117 R)
• M24: 20,312,997 km (0.092 R)
• M25: 20,660,962 km (0.101 R)
• M26: 22,092,763 km (0.116 R)
• M27: 22,368,322 km (0.078 R)
• M28: 22,832,824 km (0.116 R)
• M29: 23,589,191 km (0.115 R)
• M30: 28,157,760 km (0.085 R)
• M31: 29,468,537 km (0.063 R)
• M32: 30,705,412 km (0.095 R)
• M33: 41,450,428 km (0.111 R)
• M34: 43,718,781 km (0.079 R)
• M35: 46,218,113 km (0.12 R)
• M36: 57,514,248 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358

Radius: 7.6

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.75 AU - 9.65 AU

Year: 15659 Days

Day: 22.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,450,075 km

• M1: 100,231 km (0.108 R)
• M2: 1,247,646 km (0.094 R)
• M3: 1,734,288 km (0.063 R)
• M4: 2,380,401 km (0.031 R)
• M5: 2,901,301 km (0.119 R)
• M6: 7,110,536 km (0.076 R)
• M7: 7,401,803 km (0.072 R)
• M8: 8,600,082 km (0.039 R)
• M9: 10,876,663 km (0.093 R)
• M10: 11,152,222 km (0.066 R)
• M11: 13,027,431 km (0.115 R)
• M12: 13,463,958 km (0.074 R)
• M13: 13,845,881 km (0.114 R)
• M14: 17,767,440 km (0.108 R)
• M15: 20,477,854 km (0.077 R)
• M16: 22,817,565 km (0.063 R)
• M17: 25,329,911 km (0.052 R)
• M18: 30,024,891 km (0.108 R)
• M19: 40,298,525 km (0.117 R)
• M20: 44,370,429 km (0.072 R)
• M21: 46,505,490 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.2

Radius: 6.9

Gravity: 19.56 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.51 AU - 9.41 AU

Year: 16409 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,450,075 km

• M1: 92,152 km (0.103 R)
• M2: 350,059 km (0.048 R)
• M3: 819,048 km (0.105 R)
• M4: 2,118,156 km (0.093 R)
• M5: 2,549,297 km (0.077 R)
• M6: 2,884,696 km (0.066 R)
• M7: 3,359,071 km (0.101 R)
• M8: 3,762,985 km (0.083 R)
• M9: 5,952,200 km (0.104 R)
• M10: 6,764,816 km (0.09 R)
• M11: 8,713,478 km (0.11 R)
• M12: 10,946,824 km (0.057 R)
• M13: 15,785,567 km (0.108 R)
• M14: 20,069,751 km (0.087 R)
• M15: 26,494,381 km (0.073 R)
• M16: 29,026,026 km (0.103 R)
• M17: 32,989,921 km (0.086 R)
• M18: 60,785,804 km (0.092 R)
• M19: 71,896,737 km (0.116 R)
• M20: 73,209,009 km (0.071 R)
• M21: 73,871,129 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.3

Radius: 7.3

Gravity: 17.87 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.29 AU - 10.93 AU

Year: 18336 Days

Day: 21.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 30,450,075 km

• M1: 91,105 km (0.061 R)
• M2: 406,607 km (0.095 R)
• M3: 740,809 km (0.089 R)
• M4: 1,197,381 km (0.117 R)
• M5: 1,449,603 km (0.09 R)
• M6: 2,083,898 km (0.096 R)
• M7: 2,452,657 km (0.05 R)
• M8: 3,435,515 km (0.073 R)
• M9: 6,411,166 km (0.065 R)
• M10: 9,451,294 km (0.075 R)
• M11: 11,217,447 km (0.065 R)
• M12: 11,941,351 km (0.077 R)
• M13: 14,605,988 km (0.057 R)
• M14: 15,710,020 km (0.09 R)
• M15: 16,199,654 km (0.116 R)
• M16: 17,818,004 km (0.07 R)
• M17: 18,350,572 km (0.071 R)
• M18: 18,893,912 km (0.104 R)
• M19: 21,075,946 km (0.083 R)
• M20: 25,484,596 km (0.077 R)
• M21: 27,080,655 km (0.048 R)
• M22: 28,742,388 km (0.091 R)
• M23: 39,860,203 km (0.06 R)
• M24: 42,949,698 km (0.116 R)
• M25: 43,746,307 km (0.115 R)
• M26: 51,543,198 km (0.11 R)
• M27: 54,088,157 km (0.1 R)
• M28: 54,644,213 km (0.099 R)
• M29: 55,204,008 km (0.041 R)
• M30: 58,060,729 km (0.082 R)
• M31: 62,426,593 km (0.098 R)
• M32: 67,433,335 km (0.106 R)
• M33: 69,159,993 km (0.085 R)
• M34: 69,596,221 km (0.042 R)
• M35: 80,143,020 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.7

Radius: 6.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 10.28 AU - 11.24 AU

Year: 23537 Days

Day: 15.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,450,075 km

• M1: 96,939 km (0.074 R)
• M2: 422,165 km (0.069 R)
• M3: 876,494 km (0.057 R)
• M4: 3,254,053 km (0.077 R)
• M5: 3,610,245 km (0.081 R)
• M6: 5,414,097 km (0.097 R)
• M7: 6,706,473 km (0.083 R)
• M8: 10,408,421 km (0.103 R)
• M9: 11,321,866 km (0.119 R)
• M10: 12,090,201 km (0.071 R)
• M11: 13,570,771 km (0.114 R)
• M12: 17,257,910 km (0.082 R)
• M13: 27,456,595 km (0.038 R)
• M14: 29,727,042 km (0.087 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 12,149 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit