🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.2

Radius: 8.9

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.57 AU - 0.75 AU

Year: 358 Days

Day: 12.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,072,546 km

• M1: 114,891 km (0.066 R)
• M2: 426,055 km (0.098 R)
• M3: 759,957 km (0.088 R)
• M4: 1,375,702 km (0.102 R)
• M5: 2,230,803 km (0.072 R)
• M6: 2,516,087 km (0.053 R)
• M7: 2,826,053 km (0.078 R)
• M8: 3,240,888 km (0.088 R)
• M9: 3,926,047 km (0.086 R)
• M10: 4,823,783 km (0.111 R)
• M11: 5,385,673 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 10.6

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.66 AU - 1.02 AU

Year: 513 Days

Day: 9.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,072,546 km

• M1: 131,796 km (0.117 R)
• M2: 463,903 km (0.069 R)
• M3: 823,686 km (0.029 R)
• M4: 1,156,541 km (0.106 R)
• M5: 1,574,966 km (0.049 R)
• M6: 2,272,840 km (0.087 R)
• M7: 2,611,380 km (0.097 R)
• M8: 3,062,418 km (0.105 R)
• M9: 3,428,334 km (0.072 R)
• M10: 3,863,365 km (0.1 R)
• M11: 4,540,295 km (0.041 R)
• M12: 5,327,779 km (0.094 R)
• M13: 5,842,395 km (0.071 R)
• M14: 6,259,175 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.5

Radius: 13.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.35 AU - 1.75 AU

Year: 1287 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 19,072,546 km

• M1: 167,699 km (0.119 R)
• M2: 623,524 km (0.095 R)
• M3: 1,160,879 km (0.119 R)
• M4: 2,337,168 km (0.079 R)
• M5: 2,756,790 km (0.106 R)
• M6: 3,628,796 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.6

Radius: 12.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.47 AU - 2.21 AU

Year: 1664 Days

Day: 9.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,072,546 km

• M1: 152,440 km (0.06 R)
• M2: 560,244 km (0.116 R)
• M3: 946,805 km (0.068 R)
• M4: 1,337,405 km (0.052 R)
• M5: 1,977,833 km (0.11 R)
• M6: 2,381,897 km (0.118 R)
• M7: 2,841,612 km (0.082 R)
• M8: 4,196,519 km (0.062 R)
• M9: 5,008,238 km (0.08 R)
• M10: 5,514,477 km (0.092 R)
• M11: 6,303,306 km (0.106 R)
• M12: 6,845,898 km (0.117 R)
• M13: 7,241,435 km (0.072 R)
• M14: 9,067,426 km (0.115 R)
• M15: 9,883,931 km (0.076 R)
• M16: 10,326,292 km (0.115 R)
• M17: 10,814,879 km (0.11 R)
• M18: 11,352,982 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.8

Radius: 9.5

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.95 AU - 2.25 AU

Year: 2029 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 19,072,546 km

• M1: 119,977 km (0.082 R)
• M2: 435,031 km (0.05 R)
• M3: 775,216 km (0.113 R)
• M4: 1,237,922 km (0.063 R)
• M5: 1,544,448 km (0.042 R)
• M6: 2,095,417 km (0.048 R)
• M7: 2,638,158 km (0.026 R)
• M8: 3,570,901 km (0.038 R)
• M9: 4,536,406 km (0.079 R)
• M10: 5,068,825 km (0.106 R)
• M11: 5,691,900 km (0.12 R)
• M12: 6,500,626 km (0.095 R)
• M13: 6,833,631 km (0.079 R)
• M14: 7,207,177 km (0.053 R)
• M15: 7,870,344 km (0.076 R)
• M16: 8,377,930 km (0.079 R)
• M17: 10,179,387 km (0.083 R)
• M18: 10,936,502 km (0.074 R)
• M19: 12,993,323 km (0.099 R)
• M20: 14,578,312 km (0.083 R)
• M21: 16,288,515 km (0.041 R)
• M22: 16,800,738 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.6

Radius: 11.8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.84 AU - 2.52 AU

Year: 2146 Days

Day: 11.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,072,546 km

• M1: 147,803 km (0.038 R)
• M2: 731,234 km (0.101 R)
• M3: 1,288,337 km (0.115 R)
• M4: 1,741,918 km (0.084 R)
• M5: 3,960,454 km (0.095 R)
• M6: 4,601,631 km (0.078 R)
• M7: 6,919,201 km (0.09 R)
• M8: 7,602,863 km (0.037 R)
• M9: 8,495,513 km (0.094 R)
• M10: 8,967,345 km (0.103 R)
• M11: 9,853,413 km (0.065 R)
• M12: 11,032,245 km (0.102 R)
• M13: 14,130,117 km (0.109 R)
• M14: 16,131,886 km (0.026 R)
• M15: 18,483,415 km (0.068 R)
• M16: 19,048,147 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 14.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.93 AU - 4.85 AU

Year: 6134 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,072,546 km

• M1: 187,745 km (0.076 R)
• M2: 830,119 km (0.06 R)
• M3: 1,302,100 km (0.068 R)
• M4: 1,779,766 km (0.097 R)
• M5: 6,523,365 km (0.09 R)
• M6: 7,470,170 km (0.093 R)
• M7: 8,507,033 km (0.079 R)
• M8: 13,011,424 km (0.088 R)
• M9: 15,376,716 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 16,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit