🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 8.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.89 AU - 0.89 AU

Year: 560 Days

Day: 13.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,751,439 km

• M1: 110,852 km (0.067 R)
• M2: 416,780 km (0.069 R)
• M3: 1,054,067 km (0.053 R)
• M4: 1,366,876 km (0.116 R)
• M5: 2,030,043 km (0.079 R)
• M6: 4,627,212 km (0.081 R)
• M7: 4,915,786 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.9

Radius: 10.3

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.15 AU - 1.41 AU

Year: 966 Days

Day: 5.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,751,439 km

• M1: 128,056 km (0.09 R)
• M2: 513,569 km (0.119 R)
• M3: 1,053,169 km (0.086 R)
• M4: 1,376,001 km (0.115 R)
• M5: 2,172,011 km (0.118 R)
• M6: 2,508,607 km (0.101 R)
• M7: 3,893,584 km (0.068 R)
• M8: 5,253,578 km (0.114 R)
• M9: 6,301,212 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.7

Radius: 10.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.55 AU - 1.55 AU

Year: 1287 Days

Day: 5.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,751,439 km

• M1: 125,662 km (0.12 R)
• M2: 483,351 km (0.098 R)
• M3: 908,807 km (0.118 R)
• M4: 1,467,705 km (0.109 R)
• M5: 3,609,049 km (0.097 R)
• M6: 4,976,672 km (0.058 R)
• M7: 5,977,482 km (0.091 R)
• M8: 6,616,564 km (0.098 R)
• M9: 7,349,295 km (0.104 R)
• M10: 7,799,135 km (0.068 R)
• M11: 8,644,214 km (0.114 R)
• M12: 9,549,131 km (0.11 R)
• M13: 10,207,063 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 8.6

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.55 AU - 1.83 AU

Year: 1465 Days

Day: 5.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,751,439 km

• M1: 106,962 km (0.101 R)
• M2: 444,904 km (0.114 R)
• M3: 971,189 km (0.039 R)
• M4: 1,828,984 km (0.089 R)
• M5: 2,167,374 km (0.032 R)
• M6: 2,669,574 km (0.118 R)
• M7: 3,061,371 km (0.056 R)
• M8: 3,997,255 km (0.114 R)
• M9: 4,591,308 km (0.067 R)
• M10: 5,026,339 km (0.114 R)
• M11: 6,782,019 km (0.109 R)
• M12: 7,942,899 km (0.114 R)
• M13: 9,426,012 km (0.102 R)
• M14: 9,959,029 km (0.114 R)
• M15: 11,121,854 km (0.061 R)
• M16: 11,603,858 km (0.073 R)
• M17: 12,255,207 km (0.104 R)
• M18: 13,011,724 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.1

Radius: 13.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.46 AU - 2.24 AU

Year: 1678 Days

Day: 12.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,751,439 km

• M1: 165,455 km (0.085 R)
• M2: 821,741 km (0.096 R)
• M3: 1,247,497 km (0.106 R)
• M4: 2,136,108 km (0.074 R)
• M5: 3,520,636 km (0.086 R)
• M6: 4,236,313 km (0.036 R)
• M7: 4,987,294 km (0.084 R)
• M8: 5,479,321 km (0.077 R)
• M9: 5,936,343 km (0.045 R)
• M10: 6,878,211 km (0.097 R)
• M11: 7,999,148 km (0.117 R)
• M12: 8,618,034 km (0.067 R)
• M13: 9,856,854 km (0.111 R)
• M14: 10,306,097 km (0.074 R)
• M15: 10,937,699 km (0.081 R)
• M16: 12,536,900 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 14.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.38 AU - 2.94 AU

Year: 2893 Days

Day: 5.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,751,439 km

• M1: 179,966 km (0.109 R)
• M2: 805,734 km (0.1 R)
• M3: 1,425,369 km (0.105 R)
• M4: 2,319,814 km (0.113 R)
• M5: 3,017,389 km (0.067 R)
• M6: 3,670,085 km (0.096 R)
• M7: 4,415,830 km (0.09 R)
• M8: 5,283,946 km (0.108 R)
• M9: 5,734,834 km (0.09 R)
• M10: 6,962,584 km (0.098 R)
• M11: 7,476,752 km (0.096 R)
• M12: 8,108,803 km (0.108 R)
• M13: 9,828,730 km (0.11 R)
• M14: 13,104,025 km (0.045 R)
• M15: 14,114,709 km (0.103 R)
• M16: 16,044,521 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340

Radius: 11.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.31 AU - 3.63 AU

Year: 3413 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,751,439 km

• M1: 150,795 km (0.117 R)
• M2: 532,718 km (0.108 R)
• M3: 971,638 km (0.082 R)
• M4: 1,400,236 km (0.118 R)
• M5: 2,027,201 km (0.1 R)
• M6: 3,303,271 km (0.114 R)
• M7: 3,824,170 km (0.075 R)
• M8: 4,337,441 km (0.099 R)
• M9: 4,785,037 km (0.103 R)
• M10: 5,169,953 km (0.105 R)
• M11: 6,237,034 km (0.057 R)
• M12: 7,151,227 km (0.083 R)
• M13: 9,141,926 km (0.093 R)
• M14: 10,283,507 km (0.07 R)
• M15: 11,598,024 km (0.118 R)
• M16: 12,337,935 km (0.096 R)
• M17: 13,957,182 km (0.103 R)
• M18: 16,722,499 km (0.073 R)
• M19: 18,425,371 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.4

Radius: 10.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.28 AU - 3.84 AU

Year: 4479 Days

Day: 6.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,751,439 km

• M1: 134,488 km (0.059 R)
• M2: 709,393 km (0.059 R)
• M3: 2,433,957 km (0.098 R)
• M4: 3,011,555 km (0.078 R)
• M5: 4,067,417 km (0.115 R)
• M6: 5,209,447 km (0.075 R)
• M7: 5,726,906 km (0.116 R)
• M8: 6,278,323 km (0.071 R)
• M9: 7,306,061 km (0.091 R)
• M10: 9,875,255 km (0.099 R)
• M11: 14,656,702 km (0.054 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.6

Radius: 10

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.61 AU - 5.97 AU

Year: 8114 Days

Day: 9.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,751,439 km

• M1: 128,505 km (0.095 R)
• M2: 841,937 km (0.054 R)
• M3: 1,580,502 km (0.102 R)
• M4: 1,925,325 km (0.117 R)
• M5: 2,546,156 km (0.111 R)
• M6: 3,332,891 km (0.027 R)
• M7: 3,970,178 km (0.1 R)
• M8: 4,499,904 km (0.081 R)
• M9: 6,202,627 km (0.119 R)
• M10: 7,685,291 km (0.063 R)
• M11: 8,298,044 km (0.072 R)
• M12: 8,869,807 km (0.082 R)
• M13: 10,012,436 km (0.108 R)
• M14: 11,995,954 km (0.048 R)
• M15: 12,820,837 km (0.107 R)
• M16: 13,879,690 km (0.084 R)
• M17: 17,006,286 km (0.049 R)
• M18: 20,962,850 km (0.078 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 16,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit