🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.58 AU - 0.7 AU

Year: 331 Days

Day: 38.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.6

Radius: 9.5

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.55 AU - 0.85 AU

Year: 378 Days

Day: 7.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,278,663 km

• M1: 118,182 km (0.074 R)
• M2: 436,078 km (0.091 R)
• M3: 905,217 km (0.083 R)
• M4: 1,362,986 km (0.115 R)
• M5: 1,674,599 km (0.091 R)
• M6: 2,026,154 km (0.085 R)
• M7: 2,921,796 km (0.089 R)
• M8: 3,869,947 km (0.096 R)
• M9: 4,326,370 km (0.109 R)
• M10: 4,745,992 km (0.12 R)
• M11: 5,116,247 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.3

Radius: 11.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.65 AU - 0.79 AU

Year: 394 Days

Day: 14.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,278,663 km

• M1: 146,756 km (0.113 R)
• M2: 938,427 km (0.105 R)
• M3: 1,365,978 km (0.034 R)
• M4: 1,787,844 km (0.108 R)
• M5: 2,365,142 km (0.089 R)
• M6: 2,746,318 km (0.112 R)
• M7: 3,519,589 km (0.114 R)
• M8: 4,120,524 km (0.089 R)
• M9: 4,526,832 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 11.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.21 AU - 1.23 AU

Year: 870 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,278,663 km

• M1: 141,819 km (0.088 R)
• M2: 510,578 km (0.111 R)
• M3: 974,181 km (0.115 R)
• M4: 1,545,047 km (0.09 R)
• M5: 2,296,028 km (0.087 R)
• M6: 3,343,064 km (0.05 R)
• M7: 4,076,542 km (0.057 R)
• M8: 4,669,847 km (0.099 R)
• M9: 5,121,932 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 12.4

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.36 AU - 1.44 AU

Year: 1070 Days

Day: 9.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,278,663 km

• M1: 154,235 km (0.069 R)
• M2: 662,270 km (0.111 R)
• M3: 1,237,174 km (0.097 R)
• M4: 1,948,063 km (0.114 R)
• M5: 2,608,089 km (0.055 R)
• M6: 3,353,386 km (0.088 R)
• M7: 4,064,873 km (0.073 R)
• M8: 4,667,304 km (0.096 R)
• M9: 5,703,568 km (0.107 R)
• M10: 6,577,220 km (0.055 R)
• M11: 7,132,976 km (0.092 R)
• M12: 9,737,475 km (0.115 R)
• M13: 10,687,721 km (0.111 R)
• M14: 11,768,416 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.7

Radius: 8.3

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.13 AU - 1.79 AU

Year: 1139 Days

Day: 7.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 13,278,663 km

• M1: 103,223 km (0.084 R)
• M2: 381,923 km (0.096 R)
• M3: 847,023 km (0.064 R)
• M4: 1,157,888 km (0.094 R)
• M5: 1,742,067 km (0.088 R)
• M6: 2,165,878 km (0.104 R)
• M7: 2,758,734 km (0.071 R)
• M8: 3,381,061 km (0.094 R)
• M9: 4,009,821 km (0.118 R)
• M10: 4,960,366 km (0.099 R)
• M11: 5,561,002 km (0.11 R)
• M12: 6,075,618 km (0.096 R)
• M13: 6,367,484 km (0.043 R)
• M14: 7,655,671 km (0.055 R)
• M15: 7,996,455 km (0.107 R)
• M16: 8,485,191 km (0.114 R)
• M17: 9,978,328 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.5

Radius: 13

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.44 AU - 1.72 AU

Year: 1282 Days

Day: 12.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,278,663 km

• M1: 169,494 km (0.093 R)
• M2: 695,929 km (0.107 R)
• M3: 1,397,992 km (0.085 R)
• M4: 2,085,843 km (0.107 R)
• M5: 2,798,976 km (0.112 R)
• M6: 4,234,368 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 12.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.63 AU - 1.89 AU

Year: 1508 Days

Day: 14.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 13,278,663 km

• M1: 150,795 km (0.096 R)
• M2: 645,216 km (0.1 R)
• M3: 1,045,988 km (0.089 R)
• M4: 1,758,224 km (0.102 R)
• M5: 2,310,240 km (0.117 R)
• M6: 2,759,333 km (0.106 R)
• M7: 3,314,640 km (0.115 R)
• M8: 3,696,563 km (0.088 R)
• M9: 4,392,941 km (0.062 R)
• M10: 4,834,854 km (0.089 R)
• M11: 5,240,413 km (0.119 R)
• M12: 6,673,561 km (0.062 R)
• M13: 7,593,887 km (0.103 R)
• M14: 8,025,926 km (0.043 R)
• M15: 8,535,606 km (0.111 R)
• M16: 9,955,439 km (0.119 R)
• M17: 11,906,345 km (0.111 R)
• M18: 12,649,846 km (0.06 R)
• M19: 13,053,461 km (0.085 R)
• M20: 13,717,078 km (0.082 R)
• M21: 15,202,285 km (0.084 R)

Asteroid Belt

Center: 2.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.3

Radius: 8.4

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.73 AU - 2.83 AU

Year: 2993 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 13,278,663 km

• M1: 104,419 km (0.11 R)
• M2: 366,365 km (0.03 R)
• M3: 758,611 km (0.097 R)
• M4: 1,494,782 km (0.079 R)
• M5: 1,847,534 km (0.076 R)
• M6: 2,269,549 km (0.043 R)
• M7: 2,803,464 km (0.115 R)
• M8: 3,252,557 km (0.092 R)
• M9: 4,099,879 km (0.075 R)
• M10: 4,427,798 km (0.095 R)
• M11: 6,396,057 km (0.034 R)
• M12: 6,718,291 km (0.062 R)
• M13: 8,461,106 km (0.086 R)
• M14: 9,067,127 km (0.109 R)
• M15: 9,740,018 km (0.058 R)
• M16: 10,127,925 km (0.096 R)
• M17: 10,607,087 km (0.111 R)
• M18: 12,721,953 km (0.113 R)
• M19: 13,185,856 km (0.084 R)
• M20: 13,902,729 km (0.108 R)
• M21: 16,480,449 km (0.094 R)
• M22: 17,087,667 km (0.041 R)
• M23: 18,878,952 km (0.103 R)

Planet 10 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132

Radius: 13.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.88 AU - 3.08 AU

Year: 3322 Days

Day: 6.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,278,663 km

• M1: 168,746 km (0.079 R)
• M2: 784,641 km (0.039 R)
• M3: 1,435,691 km (0.117 R)
• M4: 1,969,157 km (0.116 R)
• M5: 2,458,043 km (0.091 R)
• M6: 3,013,948 km (0.096 R)
• M7: 3,446,137 km (0.116 R)
• M8: 4,111,099 km (0.11 R)
• M9: 5,676,940 km (0.069 R)
• M10: 6,130,072 km (0.06 R)
• M11: 10,377,155 km (0.067 R)
• M12: 11,876,575 km (0.115 R)
• M13: 12,357,233 km (0.113 R)
• M14: 13,278,606 km (0.049 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 17,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit