🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.7

Radius: 9.9

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.73 AU - 0.81 AU

Year: 458 Days

Day: 5.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,828,475 km

• M1: 123,119 km (0.113 R)
• M2: 539,151 km (0.113 R)
• M3: 857,196 km (0.094 R)
• M4: 1,226,104 km (0.112 R)
• M5: 1,576,911 km (0.027 R)
• M6: 1,885,980 km (0.061 R)
• M7: 2,619,908 km (0.043 R)
• M8: 3,123,304 km (0.101 R)
• M9: 3,462,592 km (0.06 R)
• M10: 3,801,581 km (0.051 R)
• M11: 4,149,396 km (0.08 R)
• M12: 4,762,149 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.8

Radius: 10.3

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.65 AU - 1.01 AU

Year: 513 Days

Day: 13 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,828,475 km

• M1: 128,804 km (0.07 R)
• M2: 481,705 km (0.107 R)
• M3: 925,861 km (0.088 R)
• M4: 1,408,614 km (0.058 R)
• M5: 2,145,981 km (0.063 R)
• M6: 3,063,166 km (0.07 R)
• M7: 3,472,915 km (0.107 R)
• M8: 3,849,303 km (0.052 R)
• M9: 4,636,786 km (0.097 R)
• M10: 5,911,809 km (0.072 R)
• M11: 6,254,537 km (0.116 R)
• M12: 7,341,815 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.3

Radius: 13.3

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.92 AU - 1.26 AU

Year: 772 Days

Day: 11.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,828,475 km

• M1: 165,455 km (0.077 R)
• M2: 626,366 km (0.101 R)
• M3: 1,111,961 km (0.064 R)
• M4: 1,648,718 km (0.064 R)
• M5: 2,109,928 km (0.068 R)
• M6: 2,658,354 km (0.084 R)
• M7: 3,109,093 km (0.111 R)
• M8: 4,136,680 km (0.076 R)
• M9: 4,580,537 km (0.1 R)
• M10: 5,038,755 km (0.077 R)
• M11: 6,028,046 km (0.061 R)
• M12: 6,601,006 km (0.082 R)
• M13: 7,165,289 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 13.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.01 AU - 1.31 AU

Year: 847 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,828,475 km

• M1: 166,652 km (0.083 R)
• M2: 673,041 km (0.077 R)
• M3: 1,148,014 km (0.08 R)
• M4: 1,691,653 km (0.097 R)
• M5: 2,426,178 km (0.081 R)
• M6: 3,403,651 km (0.089 R)
• M7: 4,286,278 km (0.058 R)
• M8: 4,872,702 km (0.092 R)
• M9: 5,387,019 km (0.081 R)
• M10: 5,805,744 km (0.077 R)
• M11: 6,525,459 km (0.042 R)
• M12: 7,457,903 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 12.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.31 AU - 1.63 AU

Year: 1209 Days

Day: 11.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,828,475 km

• M1: 158,424 km (0.07 R)
• M2: 559,646 km (0.116 R)
• M3: 1,183,469 km (0.082 R)
• M4: 1,711,848 km (0.11 R)
• M5: 2,195,798 km (0.04 R)
• M6: 2,683,038 km (0.097 R)
• M7: 4,836,649 km (0.088 R)
• M8: 5,241,909 km (0.094 R)
• M9: 5,711,796 km (0.09 R)
• M10: 7,194,610 km (0.067 R)
• M11: 7,828,457 km (0.085 R)
• M12: 8,694,030 km (0.095 R)
• M13: 9,925,669 km (0.091 R)
• M14: 10,519,722 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.8

Radius: 13.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.36 AU - 4.66 AU

Year: 6496 Days

Day: 5.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,828,475 km

• M1: 166,652 km (0.096 R)
• M2: 1,117,795 km (0.091 R)
• M3: 1,942,828 km (0.082 R)
• M4: 2,431,265 km (0.079 R)
• M5: 3,019,334 km (0.105 R)
• M6: 3,482,638 km (0.076 R)
• M7: 4,301,238 km (0.05 R)
• M8: 5,534,523 km (0.083 R)
• M9: 7,911,932 km (0.064 R)
• M10: 9,754,978 km (0.081 R)
• M11: 11,075,778 km (0.038 R)
• M12: 12,795,405 km (0.087 R)
• M13: 16,474,914 km (0.111 R)
• M14: 19,141,945 km (0.066 R)
• M15: 20,415,023 km (0.112 R)
• M16: 21,072,356 km (0.051 R)
• M17: 21,743,901 km (0.081 R)
• M18: 22,847,784 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.7

Radius: 14.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.42 AU - 5.36 AU

Year: 7334 Days

Day: 6.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,828,475 km

• M1: 179,817 km (0.106 R)
• M2: 659,128 km (0.111 R)
• M3: 1,191,248 km (0.104 R)
• M4: 1,705,565 km (0.079 R)
• M5: 2,278,076 km (0.109 R)
• M6: 3,340,520 km (0.057 R)
• M7: 3,996,358 km (0.101 R)
• M8: 4,586,820 km (0.046 R)
• M9: 5,511,634 km (0.072 R)
• M10: 6,154,456 km (0.071 R)
• M11: 7,246,072 km (0.062 R)
• M12: 8,313,453 km (0.071 R)
• M13: 9,041,995 km (0.097 R)
• M14: 10,539,469 km (0.059 R)
• M15: 11,119,011 km (0.099 R)
• M16: 12,052,203 km (0.059 R)
• M17: 12,686,348 km (0.099 R)
• M18: 14,778,624 km (0.079 R)
• M19: 15,964,786 km (0.115 R)
• M20: 17,274,665 km (0.067 R)
• M21: 17,955,933 km (0.06 R)
• M22: 21,563,785 km (0.079 R)
• M23: 25,789,177 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.5

Radius: 6.4

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.02 AU - 8.52 AU

Year: 14690 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,828,475 km

• M1: 79,586 km (0.094 R)
• M2: 523,293 km (0.099 R)
• M3: 835,055 km (0.048 R)
• M4: 1,650,663 km (0.09 R)
• M5: 2,127,431 km (0.05 R)
• M6: 3,577,184 km (0.037 R)
• M7: 3,866,357 km (0.12 R)
• M8: 8,249,575 km (0.106 R)
• M9: 8,944,307 km (0.081 R)
• M10: 9,677,187 km (0.091 R)
• M11: 10,715,845 km (0.113 R)
• M12: 13,760,760 km (0.092 R)
• M13: 17,411,995 km (0.036 R)
• M14: 18,090,123 km (0.044 R)
• M15: 19,338,966 km (0.066 R)
• M16: 19,740,785 km (0.091 R)
• M17: 22,269,289 km (0.081 R)
• M18: 24,162,599 km (0.07 R)
• M19: 25,100,728 km (0.109 R)
• M20: 26,063,091 km (0.048 R)
• M21: 30,051,370 km (0.089 R)
• M22: 30,266,192 km (0.111 R)
• M23: 32,246,270 km (0.089 R)
• M24: 39,339,902 km (0.068 R)
• M25: 40,899,759 km (0.097 R)
• M26: 43,453,095 km (0.036 R)
• M27: 44,003,914 km (0.055 R)
• M28: 44,838,820 km (0.115 R)
• M29: 45,826,017 km (0.067 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: 469 - 13,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit