🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 12.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.47 AU - 0.67 AU

Year: 302 Days

Day: 7.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,067,343 km

• M1: 156,629 km (0.06 R)
• M2: 693,087 km (0.087 R)
• M3: 1,385,426 km (0.114 R)
• M4: 1,889,272 km (0.103 R)
• M5: 2,477,490 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 11.6

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.48 AU - 0.68 AU

Year: 310 Days

Day: 5.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,067,343 km

• M1: 144,212 km (0.089 R)
• M2: 663,167 km (0.098 R)
• M3: 1,120,787 km (0.06 R)
• M4: 1,790,238 km (0.081 R)
• M5: 2,155,705 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 14.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.57 AU - 0.77 AU

Year: 385 Days

Day: 10 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,067,343 km

• M1: 175,329 km (0.093 R)
• M2: 1,119,740 km (0.111 R)
• M3: 1,598,603 km (0.095 R)
• M4: 2,075,072 km (0.113 R)
• M5: 2,575,028 km (0.101 R)
• M6: 3,218,299 km (0.111 R)
• M7: 3,659,314 km (0.056 R)
• M8: 4,463,252 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.1

Radius: 12.9

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.59 AU - 2.55 AU

Year: 2093 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,067,343 km

• M1: 160,369 km (0.106 R)
• M2: 709,991 km (0.081 R)
• M3: 1,258,567 km (0.093 R)
• M4: 1,944,623 km (0.065 R)
• M5: 2,435,603 km (0.08 R)
• M6: 2,869,287 km (0.096 R)
• M7: 3,303,869 km (0.113 R)
• M8: 3,895,229 km (0.091 R)
• M9: 4,992,829 km (0.115 R)
• M10: 5,824,294 km (0.071 R)
• M11: 6,366,137 km (0.104 R)
• M12: 7,055,036 km (0.043 R)
• M13: 7,551,551 km (0.12 R)
• M14: 8,071,254 km (0.051 R)
• M15: 10,282,759 km (0.109 R)
• M16: 12,198,061 km (0.113 R)
• M17: 12,958,168 km (0.114 R)
• M18: 13,704,661 km (0.116 R)
• M19: 14,340,901 km (0.099 R)
• M20: 15,332,136 km (0.056 R)
• M21: 15,869,193 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.8

Radius: 12.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.59 AU - 3.69 AU

Year: 3911 Days

Day: 7.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,067,343 km

• M1: 154,235 km (0.083 R)
• M2: 631,752 km (0.107 R)
• M3: 1,131,558 km (0.091 R)
• M4: 1,908,570 km (0.09 R)
• M5: 2,676,456 km (0.117 R)
• M6: 3,087,550 km (0.115 R)
• M7: 3,501,488 km (0.105 R)
• M8: 4,282,538 km (0.094 R)
• M9: 4,799,848 km (0.104 R)
• M10: 5,254,027 km (0.11 R)
• M11: 6,249,301 km (0.093 R)
• M12: 6,979,937 km (0.099 R)
• M13: 7,498,144 km (0.117 R)
• M14: 7,903,555 km (0.082 R)
• M15: 10,779,574 km (0.098 R)
• M16: 11,876,425 km (0.049 R)
• M17: 17,601,386 km (0.099 R)
• M18: 20,659,167 km (0.105 R)
• M19: 21,798,205 km (0.112 R)
• M20: 25,164,606 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 14.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.73 AU - 4.95 AU

Year: 7485 Days

Day: 5 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,067,343 km

• M1: 185,352 km (0.1 R)
• M2: 1,067,381 km (0.118 R)
• M3: 1,700,030 km (0.069 R)
• M4: 2,403,739 km (0.094 R)
• M5: 3,704,492 km (0.086 R)
• M6: 4,451,434 km (0.101 R)
• M7: 5,030,079 km (0.079 R)
• M8: 6,339,958 km (0.115 R)
• M9: 8,046,570 km (0.089 R)
• M10: 8,716,918 km (0.047 R)
• M11: 9,303,641 km (0.064 R)
• M12: 10,909,425 km (0.098 R)
• M13: 13,500,161 km (0.092 R)
• M14: 14,021,509 km (0.108 R)
• M15: 16,184,994 km (0.097 R)
• M16: 18,819,412 km (0.033 R)
• M17: 19,339,414 km (0.117 R)
• M18: 20,681,606 km (0.046 R)
• M19: 26,190,847 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.4

Radius: 12.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.85 AU - 5.15 AU

Year: 7859 Days

Day: 10.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,067,343 km

• M1: 152,590 km (0.112 R)
• M2: 652,546 km (0.045 R)
• M3: 1,095,206 km (0.074 R)
• M4: 1,518,418 km (0.077 R)
• M5: 1,945,072 km (0.093 R)
• M6: 2,417,202 km (0.111 R)
• M7: 2,865,398 km (0.1 R)
• M8: 3,324,813 km (0.111 R)
• M9: 5,428,608 km (0.031 R)
• M10: 6,070,233 km (0.09 R)
• M11: 6,690,316 km (0.115 R)
• M12: 8,510,174 km (0.101 R)
• M13: 10,112,517 km (0.108 R)
• M14: 10,836,421 km (0.104 R)
• M15: 13,906,020 km (0.078 R)
• M16: 14,679,889 km (0.087 R)
• M17: 16,906,504 km (0.068 R)
• M18: 17,513,722 km (0.119 R)
• M19: 18,135,451 km (0.058 R)
• M20: 18,557,915 km (0.076 R)
• M21: 19,131,623 km (0.111 R)
• M22: 20,617,579 km (0.119 R)
• M23: 21,078,041 km (0.119 R)
• M24: 21,860,737 km (0.027 R)
• M25: 23,235,840 km (0.064 R)
• M26: 24,155,718 km (0.063 R)
• M27: 31,388,775 km (0.117 R)
• M28: 33,032,556 km (0.032 R)
• M29: 35,058,111 km (0.117 R)
• M30: 36,490,960 km (0.114 R)
• M31: 37,619,377 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.3

Radius: 14.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.91 AU - 6.35 AU

Year: 8167 Days

Day: 9 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,067,343 km

• M1: 179,218 km (0.102 R)
• M2: 1,368,970 km (0.086 R)
• M3: 1,863,690 km (0.076 R)
• M4: 2,614,223 km (0.046 R)
• M5: 3,161,452 km (0.103 R)
• M6: 4,664,462 km (0.074 R)
• M7: 5,216,927 km (0.102 R)
• M8: 6,199,336 km (0.111 R)
• M9: 10,345,890 km (0.052 R)
• M10: 12,991,079 km (0.104 R)
• M11: 14,279,566 km (0.076 R)
• M12: 16,059,481 km (0.063 R)
• M13: 16,754,812 km (0.069 R)
• M14: 18,430,607 km (0.1 R)
• M15: 27,325,248 km (0.078 R)
• M16: 31,329,534 km (0.082 R)
• M17: 33,979,212 km (0.091 R)
• M18: 38,475,076 km (0.109 R)
• M19: 43,620,495 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.8

Radius: 5.2

Gravity: 25.84 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.59 AU - 6.27 AU

Year: 10151 Days

Day: 16 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,067,343 km

• M1: 64,776 km (0.106 R)
• M2: 239,057 km (0.119 R)
• M3: 409,150 km (0.041 R)
• M4: 590,014 km (0.082 R)
• M5: 807,081 km (0.051 R)
• M6: 1,215,184 km (0.034 R)
• M7: 1,927,419 km (0.058 R)
• M8: 2,373,520 km (0.051 R)
• M9: 2,570,241 km (0.114 R)
• M10: 4,098,682 km (0.11 R)
• M11: 5,085,729 km (0.115 R)
• M12: 6,635,563 km (0.114 R)
• M13: 7,559,629 km (0.068 R)
• M14: 8,162,359 km (0.103 R)
• M15: 9,908,914 km (0.102 R)
• M16: 12,704,300 km (0.069 R)
• M17: 13,554,764 km (0.107 R)
• M18: 14,572,478 km (0.091 R)
• M19: 15,233,850 km (0.103 R)
• M20: 17,337,795 km (0.108 R)
• M21: 18,382,886 km (0.072 R)
• M22: 19,867,495 km (0.119 R)
• M23: 23,608,638 km (0.118 R)
• M24: 25,077,839 km (0.109 R)
• M25: 26,606,879 km (0.055 R)
• M26: 28,912,182 km (0.12 R)
• M27: 30,699,428 km (0.07 R)
• M28: 31,674,656 km (0.108 R)
• M29: 34,030,524 km (0.12 R)
• M30: 40,748,665 km (0.1 R)
• M31: 42,190,639 km (0.046 R)
• M32: 42,589,766 km (0.094 R)
• M33: 46,720,013 km (0.083 R)
• M34: 48,299,019 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.2

Radius: 8

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.89 AU - 6.11 AU

Year: 10331 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,067,343 km

• M1: 99,483 km (0.05 R)
• M2: 552,615 km (0.119 R)
• M3: 812,915 km (0.062 R)
• M4: 1,255,126 km (0.083 R)
• M5: 1,801,308 km (0.113 R)
• M6: 2,259,975 km (0.116 R)
• M7: 2,794,488 km (0.081 R)
• M8: 3,778,094 km (0.06 R)
• M9: 4,056,645 km (0.094 R)
• M10: 4,379,029 km (0.109 R)
• M11: 4,686,752 km (0.091 R)
• M12: 5,108,468 km (0.051 R)
• M13: 5,380,287 km (0.068 R)
• M14: 9,395,195 km (0.057 R)
• M15: 9,908,765 km (0.091 R)
• M16: 12,392,987 km (0.106 R)
• M17: 13,844,086 km (0.108 R)
• M18: 15,125,542 km (0.087 R)
• M19: 22,373,858 km (0.109 R)
• M20: 24,515,949 km (0.076 R)
• M21: 26,588,030 km (0.043 R)
• M22: 27,822,960 km (0.093 R)
• M23: 28,454,562 km (0.099 R)
• M24: 29,311,608 km (0.039 R)
• M25: 36,296,034 km (0.098 R)
• M26: 39,639,097 km (0.092 R)
• M27: 40,171,067 km (0.112 R)
• M28: 41,249,219 km (0.095 R)
• M29: 43,745,260 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 19,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit