🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.6

Radius: 9.3

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 9.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,167,670 km

• M1: 116,537 km (0.095 R)
• M2: 504,145 km (0.105 R)
• M3: 1,000,211 km (0.097 R)
• M4: 1,289,833 km (0.052 R)
• M5: 1,741,170 km (0.101 R)
• M6: 2,303,508 km (0.104 R)
• M7: 2,905,340 km (0.111 R)
• M8: 3,380,014 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 12.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.25 AU - 1.27 AU

Year: 976 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,167,670 km

• M1: 151,842 km (0.063 R)
• M2: 894,296 km (0.07 R)
• M3: 2,170,067 km (0.12 R)
• M4: 2,565,304 km (0.081 R)
• M5: 3,168,184 km (0.11 R)
• M6: 3,863,814 km (0.041 R)
• M7: 4,248,580 km (0.113 R)
• M8: 6,451,558 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 13.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.34 AU - 1.68 AU

Year: 1281 Days

Day: 10.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,167,670 km

• M1: 173,085 km (0.034 R)
• M2: 632,500 km (0.117 R)
• M3: 1,098,647 km (0.079 R)
• M4: 2,049,341 km (0.09 R)
• M5: 2,776,088 km (0.113 R)
• M6: 3,312,246 km (0.1 R)
• M7: 4,002,192 km (0.094 R)
• M8: 4,446,348 km (0.113 R)
• M9: 5,498,919 km (0.041 R)
• M10: 6,004,709 km (0.119 R)
• M11: 7,473,012 km (0.118 R)
• M12: 8,095,339 km (0.097 R)
• M13: 9,321,144 km (0.097 R)
• M14: 11,492,707 km (0.114 R)
• M15: 12,583,874 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.4

Radius: 14.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.5 AU - 2.08 AU

Year: 1653 Days

Day: 6.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,167,670 km

• M1: 177,872 km (0.07 R)
• M2: 636,689 km (0.084 R)
• M3: 1,125,724 km (0.054 R)
• M4: 1,746,106 km (0.03 R)
• M5: 2,487,813 km (0.079 R)
• M6: 3,019,932 km (0.108 R)
• M7: 3,497,000 km (0.111 R)
• M8: 4,704,404 km (0.105 R)
• M9: 5,350,069 km (0.107 R)
• M10: 5,913,454 km (0.115 R)
• M11: 6,591,432 km (0.083 R)
• M12: 7,538,835 km (0.111 R)
• M13: 8,455,571 km (0.094 R)
• M14: 8,910,199 km (0.093 R)
• M15: 9,671,951 km (0.116 R)
• M16: 10,476,638 km (0.066 R)
• M17: 11,434,962 km (0.088 R)
• M18: 12,412,135 km (0.106 R)
• M19: 13,731,888 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 12

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.69 AU - 2.69 AU

Year: 2237 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,167,670 km

• M1: 149,299 km (0.1 R)
• M2: 531,222 km (0.114 R)
• M3: 1,064,838 km (0.047 R)
• M4: 1,603,240 km (0.09 R)
• M5: 2,160,792 km (0.092 R)
• M6: 3,256,596 km (0.103 R)
• M7: 3,764,481 km (0.089 R)
• M8: 4,324,874 km (0.068 R)
• M9: 4,736,418 km (0.07 R)
• M10: 6,265,608 km (0.079 R)
• M11: 6,765,863 km (0.057 R)
• M12: 7,292,597 km (0.102 R)
• M13: 8,037,445 km (0.06 R)
• M14: 9,498,118 km (0.099 R)
• M15: 11,698,105 km (0.107 R)
• M16: 12,631,745 km (0.098 R)
• M17: 13,027,731 km (0.036 R)
• M18: 17,512,076 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 9.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.87 AU - 3.29 AU

Year: 3731 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,167,670 km

• M1: 119,828 km (0.104 R)
• M2: 507,586 km (0.105 R)
• M3: 846,724 km (0.115 R)
• M4: 1,453,643 km (0.039 R)
• M5: 1,820,456 km (0.067 R)
• M6: 2,132,817 km (0.114 R)
• M7: 3,837,634 km (0.085 R)
• M8: 4,212,526 km (0.078 R)
• M9: 5,559,954 km (0.07 R)
• M10: 7,145,542 km (0.104 R)
• M11: 10,003,759 km (0.1 R)
• M12: 10,639,999 km (0.056 R)
• M13: 11,026,859 km (0.106 R)
• M14: 12,971,781 km (0.044 R)
• M15: 13,592,911 km (0.079 R)
• M16: 14,561,558 km (0.112 R)
• M17: 16,739,254 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 8.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.8 AU - 3.66 AU

Year: 4007 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,167,670 km

• M1: 102,026 km (0.078 R)
• M2: 455,226 km (0.102 R)
• M3: 769,831 km (0.026 R)
• M4: 1,127,220 km (0.103 R)
• M5: 1,448,407 km (0.109 R)
• M6: 1,714,840 km (0.096 R)
• M7: 2,334,624 km (0.066 R)
• M8: 2,612,278 km (0.057 R)
• M9: 2,994,501 km (0.03 R)
• M10: 4,589,962 km (0.12 R)
• M11: 4,933,887 km (0.066 R)
• M12: 5,803,799 km (0.068 R)
• M13: 6,801,318 km (0.064 R)
• M14: 8,237,008 km (0.109 R)
• M15: 9,025,838 km (0.077 R)
• M16: 10,994,097 km (0.114 R)
• M17: 13,232,380 km (0.108 R)
• M18: 14,555,424 km (0.07 R)
• M19: 14,998,982 km (0.059 R)
• M20: 16,595,640 km (0.087 R)
• M21: 17,963,264 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 11.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.94 AU - 4.18 AU

Year: 4636 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 138.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,167,670 km

• M1: 146,756 km (0.114 R)
• M2: 879,635 km (0.064 R)
• M3: 1,808,189 km (0.11 R)
• M4: 2,219,733 km (0.108 R)
• M5: 2,649,827 km (0.084 R)
• M6: 3,304,767 km (0.088 R)
• M7: 4,350,007 km (0.106 R)
• M8: 4,736,418 km (0.118 R)
• M9: 5,263,751 km (0.111 R)
• M10: 6,491,351 km (0.043 R)
• M11: 7,807,214 km (0.107 R)
• M12: 8,644,663 km (0.115 R)
• M13: 9,792,377 km (0.111 R)
• M14: 10,346,638 km (0.111 R)
• M15: 10,843,751 km (0.091 R)
• M16: 11,237,044 km (0.091 R)
• M17: 11,639,762 km (0.077 R)
• M18: 12,993,921 km (0.111 R)
• M19: 15,612,333 km (0.096 R)
• M20: 16,369,448 km (0.025 R)
• M21: 16,992,673 km (0.062 R)
• M22: 17,577,750 km (0.085 R)
• M23: 17,957,130 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.6

Radius: 4.5

Gravity: 48.18 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.73 AU - 7.81 AU

Year: 12159 Days

Day: 18.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,167,670 km

• M1: 56,548 km (0.092 R)
• M2: 297,999 km (0.093 R)
• M3: 947,553 km (0.114 R)
• M4: 3,065,260 km (0.103 R)
• M5: 5,761,912 km (0.066 R)
• M6: 6,801,766 km (0.046 R)
• M7: 7,145,393 km (0.065 R)
• M8: 7,321,619 km (0.072 R)
• M9: 8,246,134 km (0.078 R)
• M10: 9,297,956 km (0.11 R)
• M11: 10,605,891 km (0.115 R)
• M12: 11,067,998 km (0.039 R)
• M13: 12,726,291 km (0.037 R)
• M14: 16,834,847 km (0.074 R)
• M15: 17,542,594 km (0.105 R)
• M16: 19,612,430 km (0.056 R)
• M17: 22,492,040 km (0.077 R)
• M18: 24,427,836 km (0.088 R)
• M19: 26,054,414 km (0.089 R)
• M20: 32,434,763 km (0.049 R)
• M21: 33,651,891 km (0.114 R)
• M22: 34,271,825 km (0.097 R)
• M23: 58,893,989 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.4

Radius: 4.8

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.85 AU - 7.77 AU

Year: 12267 Days

Day: 21.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,167,670 km

• M1: 59,989 km (0.099 R)
• M2: 686,654 km (0.117 R)
• M3: 1,180,776 km (0.078 R)
• M4: 1,497,026 km (0.071 R)
• M5: 2,279,872 km (0.101 R)
• M6: 2,913,718 km (0.114 R)
• M7: 3,830,753 km (0.1 R)
• M8: 4,577,545 km (0.071 R)
• M9: 7,201,791 km (0.06 R)
• M10: 7,833,992 km (0.049 R)
• M11: 9,028,082 km (0.075 R)
• M12: 12,985,394 km (0.061 R)
• M13: 13,859,794 km (0.106 R)
• M14: 14,464,020 km (0.057 R)
• M15: 18,319,606 km (0.074 R)
• M16: 25,843,481 km (0.096 R)
• M17: 37,346,211 km (0.12 R)
• M18: 40,554,188 km (0.1 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: 196 - 20,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit