🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.1

Radius: 10.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.96 AU - 0.98 AU

Year: 627 Days

Day: 6.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,982,614 km

• M1: 125,662 km (0.041 R)
• M2: 782,696 km (0.056 R)
• M3: 1,532,929 km (0.053 R)
• M4: 1,867,281 km (0.092 R)
• M5: 2,205,671 km (0.108 R)
• M6: 2,823,211 km (0.043 R)
• M7: 3,190,623 km (0.061 R)
• M8: 3,602,616 km (0.066 R)
• M9: 4,202,354 km (0.074 R)
• M10: 4,945,556 km (0.09 R)
• M11: 5,499,367 km (0.108 R)
• M12: 6,093,869 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.3

Radius: 14.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.99 AU - 1.25 AU

Year: 778 Days

Day: 12 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,982,614 km

• M1: 185,352 km (0.039 R)
• M2: 671,395 km (0.041 R)
• M3: 1,300,903 km (0.098 R)
• M4: 2,103,944 km (0.113 R)
• M5: 2,641,749 km (0.114 R)
• M6: 3,309,554 km (0.117 R)
• M7: 4,920,124 km (0.071 R)
• M8: 5,547,538 km (0.11 R)
• M9: 6,650,523 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374

Radius: 12.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.03 AU - 1.65 AU

Year: 1018 Days

Day: 9.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,982,614 km

• M1: 160,519 km (0.119 R)
• M2: 616,493 km (0.052 R)
• M3: 1,170,454 km (0.111 R)
• M4: 1,608,327 km (0.114 R)
• M5: 2,205,970 km (0.078 R)
• M6: 2,646,686 km (0.096 R)
• M7: 3,433,271 km (0.106 R)
• M8: 3,985,437 km (0.09 R)
• M9: 4,482,551 km (0.058 R)
• M10: 4,951,091 km (0.08 R)
• M11: 6,007,551 km (0.11 R)
• M12: 6,432,708 km (0.098 R)
• M13: 6,834,678 km (0.084 R)
• M14: 7,298,731 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.3

Radius: 10.8

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.61 AU - 2.09 AU

Year: 1651 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,982,614 km

• M1: 134,339 km (0.088 R)
• M2: 493,224 km (0.034 R)
• M3: 861,684 km (0.083 R)
• M4: 1,457,382 km (0.101 R)
• M5: 2,438,445 km (0.057 R)
• M6: 3,280,831 km (0.109 R)
• M7: 4,193,827 km (0.092 R)
• M8: 4,989,089 km (0.111 R)
• M9: 6,441,684 km (0.108 R)
• M10: 7,116,969 km (0.104 R)
• M11: 8,276,951 km (0.047 R)
• M12: 12,007,922 km (0.108 R)
• M13: 12,473,022 km (0.061 R)
• M14: 13,152,346 km (0.116 R)
• M15: 14,716,391 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.2

Radius: 13.4

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.96 AU - 4.7 AU

Year: 5911 Days

Day: 9.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,982,614 km

• M1: 166,951 km (0.093 R)
• M2: 1,254,378 km (0.118 R)
• M3: 1,817,614 km (0.113 R)
• M4: 2,535,684 km (0.113 R)
• M5: 3,653,030 km (0.041 R)
• M6: 5,935,445 km (0.094 R)
• M7: 6,482,375 km (0.103 R)
• M8: 8,107,307 km (0.089 R)
• M9: 8,695,675 km (0.101 R)
• M10: 9,402,675 km (0.064 R)
• M11: 10,116,107 km (0.105 R)
• M12: 10,567,743 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 8.3

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.2 AU - 5.18 AU

Year: 6663 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,982,614 km

• M1: 103,522 km (0.119 R)
• M2: 396,135 km (0.052 R)
• M3: 838,496 km (0.117 R)
• M4: 1,575,415 km (0.091 R)
• M5: 2,411,218 km (0.109 R)
• M6: 3,333,190 km (0.071 R)
• M7: 3,899,268 km (0.069 R)
• M8: 4,667,005 km (0.105 R)
• M9: 6,785,311 km (0.094 R)
• M10: 9,611,663 km (0.087 R)
• M11: 10,412,760 km (0.057 R)
• M12: 11,463,086 km (0.116 R)
• M13: 15,411,273 km (0.064 R)
• M14: 21,651,150 km (0.068 R)
• M15: 25,323,329 km (0.053 R)
• M16: 29,390,895 km (0.106 R)
• M17: 35,500,472 km (0.097 R)
• M18: 35,942,983 km (0.104 R)
• M19: 38,558,851 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 9.2

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.6 AU - 6.02 AU

Year: 9187 Days

Day: 8.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,982,614 km

• M1: 114,592 km (0.109 R)
• M2: 456,124 km (0.117 R)
• M3: 828,323 km (0.035 R)
• M4: 1,365,679 km (0.051 R)
• M5: 1,970,503 km (0.044 R)
• M6: 2,334,924 km (0.119 R)
• M7: 2,662,693 km (0.038 R)
• M8: 3,110,140 km (0.109 R)
• M9: 3,460,049 km (0.115 R)
• M10: 3,835,989 km (0.101 R)
• M11: 4,611,504 km (0.083 R)
• M12: 5,454,638 km (0.084 R)
• M13: 6,965,576 km (0.098 R)
• M14: 7,322,517 km (0.069 R)
• M15: 8,159,965 km (0.034 R)
• M16: 10,225,164 km (0.078 R)
• M17: 11,433,017 km (0.083 R)
• M18: 11,818,830 km (0.105 R)
• M19: 13,208,146 km (0.07 R)
• M20: 13,694,488 km (0.117 R)
• M21: 15,159,799 km (0.097 R)
• M22: 17,585,828 km (0.116 R)
• M23: 18,323,944 km (0.06 R)
• M24: 19,082,555 km (0.069 R)
• M25: 20,825,071 km (0.111 R)
• M26: 21,651,300 km (0.113 R)
• M27: 23,812,091 km (0.104 R)
• M28: 29,371,298 km (0.103 R)
• M29: 30,409,956 km (0.102 R)
• M30: 35,040,608 km (0.096 R)
• M31: 42,835,705 km (0.069 R)
• M32: 45,947,340 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.7

Radius: 6.5

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.52 AU - 6.58 AU

Year: 9762 Days

Day: 20.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,982,614 km

• M1: 81,232 km (0.105 R)
• M2: 290,369 km (0.09 R)
• M3: 711,338 km (0.093 R)
• M4: 1,450,501 km (0.102 R)
• M5: 1,817,016 km (0.092 R)
• M6: 2,055,774 km (0.095 R)
• M7: 2,921,646 km (0.077 R)
• M8: 3,342,764 km (0.044 R)
• M9: 3,653,629 km (0.054 R)
• M10: 4,250,823 km (0.048 R)
• M11: 4,615,992 km (0.117 R)
• M12: 5,704,017 km (0.064 R)
• M13: 6,991,756 km (0.114 R)
• M14: 7,581,470 km (0.037 R)
• M15: 9,362,732 km (0.114 R)
• M16: 10,078,857 km (0.052 R)
• M17: 10,576,270 km (0.076 R)
• M18: 10,830,886 km (0.027 R)
• M19: 11,836,483 km (0.084 R)
• M20: 12,055,943 km (0.062 R)
• M21: 13,788,885 km (0.115 R)
• M22: 15,879,814 km (0.082 R)
• M23: 16,484,788 km (0.079 R)
• M24: 17,035,308 km (0.084 R)
• M25: 18,612,668 km (0.07 R)
• M26: 20,996,959 km (0.064 R)
• M27: 21,238,111 km (0.108 R)
• M28: 22,892,364 km (0.041 R)
• M29: 24,541,830 km (0.116 R)
• M30: 25,350,107 km (0.069 R)
• M31: 25,714,976 km (0.072 R)
• M32: 27,881,602 km (0.114 R)
• M33: 28,368,095 km (0.052 R)
• M34: 31,722,677 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.2

Radius: 5.4

Gravity: 27.41 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.04 AU - 9.5 AU

Year: 17038 Days

Day: 17.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,982,614 km

• M1: 67,169 km (0.062 R)
• M2: 334,950 km (0.086 R)
• M3: 600,336 km (0.067 R)
• M4: 886,367 km (0.096 R)
• M5: 1,331,122 km (0.077 R)
• M6: 1,714,541 km (0.119 R)
• M7: 2,675,109 km (0.112 R)
• M8: 3,394,525 km (0.067 R)
• M9: 4,171,088 km (0.113 R)
• M10: 4,366,014 km (0.119 R)
• M11: 9,219,418 km (0.072 R)
• M12: 11,203,534 km (0.105 R)
• M13: 12,427,993 km (0.117 R)
• M14: 12,832,505 km (0.049 R)
• M15: 13,038,053 km (0.119 R)
• M16: 13,738,919 km (0.067 R)
• M17: 14,098,702 km (0.072 R)
• M18: 18,568,088 km (0.074 R)
• M19: 19,275,087 km (0.096 R)
• M20: 19,454,605 km (0.116 R)
• M21: 21,407,455 km (0.115 R)
• M22: 24,418,412 km (0.041 R)
• M23: 27,246,410 km (0.075 R)
• M24: 29,208,984 km (0.1 R)
• M25: 31,387,728 km (0.118 R)
• M26: 31,761,124 km (0.117 R)
• M27: 35,929,818 km (0.072 R)
• M28: 36,749,914 km (0.09 R)
• M29: 38,427,654 km (0.072 R)
• M30: 42,539,651 km (0.104 R)
• M31: 51,971,048 km (0.056 R)
• M32: 55,884,379 km (0.052 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: 168 - 17,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit