🌌 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: 369.8

Radius: 10.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.68 AU - 1.1 AU

Year: 560 Days

Day: 10.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,444,099 km

• M1: 136,583 km (0.104 R)
• M2: 572,810 km (0.07 R)
• M3: 962,064 km (0.085 R)
• M4: 1,338,303 km (0.074 R)
• M5: 2,017,327 km (0.108 R)
• M6: 2,548,998 km (0.106 R)
• M7: 3,366,401 km (0.088 R)
• M8: 3,842,571 km (0.072 R)
• M9: 4,547,177 km (0.103 R)
• M10: 5,099,193 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.3

Radius: 11.3

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.33 AU - 1.81 AU

Year: 1312 Days

Day: 13.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,444,099 km

• M1: 140,622 km (0.063 R)
• M2: 722,408 km (0.061 R)
• M3: 1,202,168 km (0.091 R)
• M4: 1,751,641 km (0.101 R)
• M5: 2,113,519 km (0.113 R)
• M6: 3,608,600 km (0.111 R)
• M7: 5,514,926 km (0.092 R)
• M8: 6,706,622 km (0.114 R)
• M9: 7,083,010 km (0.096 R)
• M10: 7,539,882 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.6

Radius: 11.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.51 AU - 1.73 AU

Year: 1375 Days

Day: 5.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,444,099 km

• M1: 143,165 km (0.106 R)
• M2: 909,256 km (0.073 R)
• M3: 2,724,626 km (0.077 R)
• M4: 4,139,523 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.5

Radius: 13.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.81 AU - 2.99 AU

Year: 2479 Days

Day: 11.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,444,099 km

• M1: 184,305 km (0.12 R)
• M2: 624,870 km (0.053 R)
• M3: 1,160,131 km (0.107 R)
• M4: 1,878,949 km (0.079 R)
• M5: 2,632,773 km (0.075 R)
• M6: 3,049,553 km (0.118 R)
• M7: 3,669,037 km (0.084 R)
• M8: 4,251,571 km (0.077 R)
• M9: 4,917,282 km (0.039 R)
• M10: 6,431,811 km (0.117 R)
• M11: 6,916,957 km (0.073 R)
• M12: 7,750,366 km (0.071 R)
• M13: 9,721,318 km (0.119 R)
• M14: 10,471,552 km (0.1 R)
• M15: 11,183,189 km (0.045 R)
• M16: 11,887,047 km (0.066 R)
• M17: 13,082,932 km (0.104 R)
• M18: 13,557,008 km (0.067 R)
• M19: 14,494,089 km (0.103 R)
• M20: 15,236,543 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.7

Radius: 12.1

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.01 AU - 2.85 AU

Year: 2526 Days

Day: 8.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,444,099 km

• M1: 152,889 km (0.07 R)
• M2: 597,195 km (0.09 R)
• M3: 1,030,281 km (0.094 R)
• M4: 1,407,866 km (0.109 R)
• M5: 1,915,601 km (0.114 R)
• M6: 2,767,710 km (0.086 R)
• M7: 3,538,438 km (0.096 R)
• M8: 4,114,839 km (0.107 R)
• M9: 5,456,433 km (0.077 R)
• M10: 6,121,096 km (0.067 R)
• M11: 6,500,925 km (0.074 R)
• M12: 7,581,620 km (0.099 R)
• M13: 8,020,540 km (0.119 R)
• M14: 9,157,484 km (0.102 R)
• M15: 9,583,539 km (0.045 R)
• M16: 10,706,869 km (0.069 R)
• M17: 11,585,009 km (0.098 R)
• M18: 12,381,468 km (0.063 R)
• M19: 15,886,396 km (0.117 R)
• M20: 16,607,009 km (0.032 R)
• M21: 17,349,314 km (0.117 R)
• M22: 18,058,258 km (0.105 R)
• M23: 18,957,192 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 13.6

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.29 AU - 2.75 AU

Year: 2668 Days

Day: 8.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 112.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,444,099 km

• M1: 169,195 km (0.103 R)
• M2: 626,665 km (0.067 R)
• M3: 1,220,868 km (0.047 R)
• M4: 1,686,566 km (0.103 R)
• M5: 2,658,205 km (0.068 R)
• M6: 3,101,762 km (0.11 R)
• M7: 3,549,658 km (0.098 R)
• M8: 4,141,168 km (0.072 R)
• M9: 5,220,966 km (0.119 R)
• M10: 7,418,558 km (0.104 R)
• M11: 9,504,850 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.8

Radius: 7.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.76 AU - 12.58 AU

Year: 23242 Days

Day: 22.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,444,099 km

• M1: 93,349 km (0.103 R)
• M2: 368,460 km (0.12 R)
• M3: 647,759 km (0.096 R)
• M4: 927,507 km (0.109 R)
• M5: 1,740,571 km (0.1 R)
• M6: 2,043,956 km (0.116 R)
• M7: 2,338,215 km (0.066 R)
• M8: 2,684,833 km (0.087 R)
• M9: 4,029,867 km (0.113 R)
• M10: 4,776,810 km (0.101 R)
• M11: 5,032,921 km (0.086 R)
• M12: 5,612,763 km (0.058 R)
• M13: 7,233,057 km (0.087 R)
• M14: 8,073,049 km (0.1 R)
• M15: 10,983,326 km (0.065 R)
• M16: 11,237,642 km (0.049 R)
• M17: 14,679,740 km (0.094 R)
• M18: 15,066,301 km (0.109 R)
• M19: 18,318,259 km (0.115 R)
• M20: 19,221,830 km (0.066 R)
• M21: 23,763,921 km (0.119 R)
• M22: 35,033,278 km (0.038 R)
• M23: 35,862,948 km (0.088 R)
• M24: 37,994,418 km (0.067 R)
• M25: 40,965,731 km (0.094 R)
• M26: 42,352,055 km (0.077 R)
• M27: 50,627,360 km (0.105 R)
• M28: 52,942,986 km (0.112 R)
• M29: 53,669,433 km (0.079 R)
• M30: 54,402,462 km (0.074 R)
• M31: 55,888,568 km (0.11 R)
• M32: 66,634,931 km (0.108 R)
• M33: 73,836,423 km (0.195 R)
• M34: 76,810,279 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 18,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit