🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.8

Radius: 12.6

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.03 AU - 1.23 AU

Year: 815 Days

Day: 14.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,563,338 km

• M1: 156,779 km (0.09 R)
• M2: 587,770 km (0.056 R)
• M3: 983,606 km (0.053 R)
• M4: 1,411,606 km (0.086 R)
• M5: 1,938,788 km (0.103 R)
• M6: 2,432,312 km (0.095 R)
• M7: 3,199,749 km (0.085 R)
• M8: 3,591,546 km (0.108 R)
• M9: 4,138,475 km (0.099 R)
• M10: 4,605,520 km (0.026 R)
• M11: 5,801,555 km (0.094 R)
• M12: 6,578,566 km (0.105 R)
• M13: 7,873,037 km (0.114 R)
• M14: 8,415,778 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.8

Radius: 9

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.33 AU - 3.15 AU

Year: 3076 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 54.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,563,338 km

• M1: 112,049 km (0.075 R)
• M2: 395,238 km (0.1 R)
• M3: 676,033 km (0.118 R)
• M4: 964,158 km (0.028 R)
• M5: 1,256,622 km (0.118 R)
• M6: 2,166,028 km (0.1 R)
• M7: 2,799,575 km (0.099 R)
• M8: 3,515,550 km (0.104 R)
• M9: 4,778,306 km (0.111 R)
• M10: 5,142,277 km (0.12 R)
• M11: 6,759,580 km (0.054 R)
• M12: 10,541,115 km (0.098 R)
• M13: 11,002,923 km (0.069 R)
• M14: 12,216,461 km (0.055 R)
• M15: 12,855,693 km (0.092 R)
• M16: 13,697,031 km (0.088 R)
• M17: 14,108,276 km (0.067 R)
• M18: 16,390,840 km (0.08 R)
• M19: 16,750,773 km (0.047 R)
• M20: 17,326,874 km (0.078 R)
• M21: 18,408,018 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 11.5

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.72 AU - 3.44 AU

Year: 3666 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 78.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,563,338 km

• M1: 155,881 km (0.117 R)
• M2: 981,063 km (0.114 R)
• M3: 2,900,254 km (0.095 R)
• M4: 3,293,098 km (0.108 R)
• M5: 4,975,625 km (0.099 R)
• M6: 5,709,104 km (0.105 R)
• M7: 7,436,510 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.83 AU - 4.07 AU

Year: 4346 Days

Day: 7 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,563,338 km

• M1: 111,899 km (0.117 R)
• M2: 424,409 km (0.114 R)
• M3: 988,393 km (0.093 R)
• M4: 1,693,747 km (0.117 R)
• M5: 2,552,140 km (0.098 R)
• M6: 2,874,074 km (0.092 R)
• M7: 4,231,974 km (0.095 R)
• M8: 4,730,135 km (0.084 R)
• M9: 6,687,623 km (0.076 R)
• M10: 8,819,393 km (0.09 R)
• M11: 9,273,273 km (0.077 R)
• M12: 10,612,024 km (0.112 R)
• M13: 11,368,391 km (0.1 R)
• M14: 12,331,502 km (0.111 R)
• M15: 14,708,313 km (0.114 R)
• M16: 15,497,143 km (0.088 R)
• M17: 16,574,846 km (0.106 R)
• M18: 17,320,591 km (0.113 R)
• M19: 18,368,375 km (0.033 R)
• M20: 19,457,746 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370

Radius: 15

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.2 AU - 4.32 AU

Year: 5964 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,563,338 km

• M1: 192,233 km (0.109 R)
• M2: 739,313 km (0.082 R)
• M3: 1,944,623 km (0.035 R)
• M4: 2,416,754 km (0.086 R)
• M5: 4,512,171 km (0.1 R)
• M6: 6,120,198 km (0.108 R)
• M7: 7,320,572 km (0.109 R)
• M8: 10,873,072 km (0.081 R)
• M9: 13,122,725 km (0.057 R)
• M10: 16,122,013 km (0.085 R)
• M11: 17,477,220 km (0.064 R)
• M12: 18,401,136 km (0.106 R)
• M13: 19,552,442 km (0.12 R)
• M14: 20,683,551 km (0.077 R)
• M15: 24,414,971 km (0.047 R)
• M16: 25,026,377 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 12.4

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.03 AU - 5.75 AU

Year: 8487 Days

Day: 8.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,563,338 km

• M1: 154,235 km (0.067 R)
• M2: 653,743 km (0.098 R)
• M3: 1,183,170 km (0.095 R)
• M4: 1,722,619 km (0.088 R)
• M5: 2,109,330 km (0.12 R)
• M6: 2,710,414 km (0.111 R)
• M7: 3,285,319 km (0.114 R)
• M8: 3,966,288 km (0.052 R)
• M9: 4,396,382 km (0.101 R)
• M10: 4,917,731 km (0.077 R)
• M11: 5,480,069 km (0.092 R)
• M12: 6,190,061 km (0.068 R)
• M13: 7,153,022 km (0.096 R)
• M14: 8,256,157 km (0.098 R)
• M15: 8,871,303 km (0.1 R)
• M16: 9,375,897 km (0.106 R)
• M17: 10,850,034 km (0.078 R)
• M18: 12,025,574 km (0.101 R)
• M19: 16,606,112 km (0.086 R)
• M20: 21,165,705 km (0.102 R)
• M21: 24,481,991 km (0.092 R)
• M22: 26,310,526 km (0.079 R)
• M23: 33,648,301 km (0.112 R)
• M24: 36,252,650 km (0.115 R)
• M25: 36,718,947 km (0.039 R)
• M26: 40,344,751 km (0.112 R)
• M27: 43,150,608 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.3

Radius: 7.7

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.25 AU - 6.89 AU

Year: 11422 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,563,338 km

• M1: 96,042 km (0.113 R)
• M2: 371,751 km (0.098 R)
• M3: 1,022,202 km (0.103 R)
• M4: 1,493,286 km (0.099 R)
• M5: 3,585,711 km (0.086 R)
• M6: 4,421,066 km (0.041 R)
• M7: 5,135,844 km (0.117 R)
• M8: 9,998,523 km (0.095 R)
• M9: 10,871,726 km (0.041 R)
• M10: 13,049,273 km (0.093 R)
• M11: 14,031,981 km (0.077 R)
• M12: 14,571,730 km (0.073 R)
• M13: 16,803,431 km (0.099 R)
• M14: 17,207,645 km (0.114 R)
• M15: 19,253,396 km (0.074 R)
• M16: 21,220,608 km (0.077 R)
• M17: 21,693,038 km (0.088 R)
• M18: 22,495,780 km (0.11 R)
• M19: 30,335,007 km (0.083 R)
• M20: 32,467,525 km (0.075 R)
• M21: 34,157,981 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.1

Radius: 4.1

Gravity: 18.86 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.87 AU - 6.93 AU

Year: 12293 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,563,338 km

• M1: 51,013 km (0.094 R)
• M2: 256,112 km (0.074 R)
• M3: 731,085 km (0.084 R)
• M4: 1,004,101 km (0.074 R)
• M5: 1,268,740 km (0.049 R)
• M6: 2,495,292 km (0.103 R)
• M7: 2,958,747 km (0.052 R)
• M8: 3,244,927 km (0.079 R)
• M9: 5,205,707 km (0.115 R)
• M10: 5,395,397 km (0.09 R)
• M11: 7,199,398 km (0.078 R)
• M12: 7,635,326 km (0.07 R)
• M13: 7,798,088 km (0.111 R)
• M14: 8,172,980 km (0.096 R)
• M15: 8,386,307 km (0.109 R)
• M16: 8,603,374 km (0.073 R)
• M17: 9,745,254 km (0.082 R)
• M18: 10,179,986 km (0.117 R)
• M19: 11,244,524 km (0.059 R)
• M20: 14,943,182 km (0.086 R)
• M21: 19,681,395 km (0.081 R)
• M22: 21,486,293 km (0.086 R)
• M23: 22,553,824 km (0.031 R)
• M24: 25,331,108 km (0.106 R)
• M25: 26,336,107 km (0.099 R)
• M26: 26,708,007 km (0.057 R)
• M27: 27,272,589 km (0.077 R)
• M28: 28,037,483 km (0.116 R)
• M29: 32,289,504 km (0.115 R)
• M30: 35,803,558 km (0.109 R)
• M31: 36,720,293 km (0.103 R)
• M32: 37,067,959 km (0.119 R)
• M33: 41,539,290 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.2

Radius: 7.7

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.62 AU - 7.48 AU

Year: 12696 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,563,338 km

• M1: 95,743 km (0.115 R)
• M2: 345,870 km (0.064 R)
• M3: 1,442,572 km (0.106 R)
• M4: 2,423,037 km (0.067 R)
• M5: 2,846,997 km (0.114 R)
• M6: 3,248,967 km (0.062 R)
• M7: 3,843,468 km (0.061 R)
• M8: 4,363,770 km (0.099 R)
• M9: 5,150,954 km (0.115 R)
• M10: 5,853,017 km (0.093 R)
• M11: 6,808,648 km (0.118 R)
• M12: 7,737,501 km (0.111 R)
• M13: 9,214,331 km (0.115 R)
• M14: 9,696,635 km (0.043 R)
• M15: 17,665,713 km (0.104 R)
• M16: 18,790,091 km (0.116 R)
• M17: 23,946,281 km (0.119 R)
• M18: 25,603,376 km (0.077 R)
• M19: 34,012,123 km (0.048 R)
• M20: 36,697,854 km (0.1 R)
• M21: 38,276,710 km (0.095 R)
• M22: 41,569,209 km (0.088 R)
• M23: 43,956,342 km (0.118 R)
• M24: 45,046,013 km (0.073 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 11,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit