🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.5

Radius: 13.3

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.71 AU

Year: 331 Days

Day: 9 Hours

Environment

Temp: -158 °C

Axial Tilt: 66.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,228,522 km

• M1: 165,455 km (0.106 R)
• M2: 619,934 km (0.094 R)
• M3: 1,151,305 km (0.09 R)
• M4: 1,755,980 km (0.082 R)
• M5: 2,348,238 km (0.095 R)
• M6: 2,811,842 km (0.083 R)
• M7: 3,417,115 km (0.104 R)
• M8: 4,629,007 km (0.104 R)
• M9: 5,071,218 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 9.6

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.62 AU - 0.62 AU

Year: 331 Days

Day: 9.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,228,522 km

• M1: 119,379 km (0.115 R)
• M2: 496,815 km (0.118 R)
• M3: 904,020 km (0.081 R)
• M4: 1,378,694 km (0.11 R)
• M5: 1,898,247 km (0.094 R)
• M6: 2,507,260 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.3

Radius: 13.1

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.54 AU - 0.88 AU

Year: 406 Days

Day: 7.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,228,522 km

• M1: 162,912 km (0.105 R)
• M2: 648,507 km (0.045 R)
• M3: 1,251,685 km (0.081 R)
• M4: 1,817,315 km (0.1 R)
• M5: 2,403,439 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.7

Radius: 8

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.96 AU - 1.04 AU

Year: 678 Days

Day: 8.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,228,522 km

• M1: 99,782 km (0.073 R)
• M2: 400,473 km (0.052 R)
• M3: 706,102 km (0.069 R)
• M4: 968,796 km (0.104 R)
• M5: 1,333,665 km (0.109 R)
• M6: 1,585,438 km (0.086 R)
• M7: 2,197,294 km (0.048 R)
• M8: 2,773,545 km (0.116 R)
• M9: 3,033,396 km (0.102 R)
• M10: 3,573,744 km (0.082 R)
• M11: 4,066,519 km (0.088 R)
• M12: 4,436,175 km (0.107 R)
• M13: 4,689,295 km (0.088 R)
• M14: 4,969,791 km (0.091 R)
• M15: 6,021,165 km (0.044 R)
• M16: 6,395,459 km (0.105 R)
• M17: 7,470,170 km (0.116 R)
• M18: 8,301,036 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 11.2

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.86 AU - 1.18 AU

Year: 699 Days

Day: 12.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,228,522 km

• M1: 139,276 km (0.091 R)
• M2: 554,410 km (0.11 R)
• M3: 911,500 km (0.104 R)
• M4: 1,347,428 km (0.088 R)
• M5: 1,752,240 km (0.111 R)
• M6: 2,209,411 km (0.064 R)
• M7: 2,623,049 km (0.103 R)
• M8: 3,677,564 km (0.112 R)
• M9: 4,434,380 km (0.095 R)
• M10: 4,841,885 km (0.101 R)
• M11: 5,509,540 km (0.105 R)
• M12: 6,257,380 km (0.083 R)
• M13: 6,645,586 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 8.5

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.43 AU - 2.87 AU

Year: 2926 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,228,522 km

• M1: 107,411 km (0.106 R)
• M2: 383,569 km (0.099 R)
• M3: 720,314 km (0.059 R)
• M4: 1,169,556 km (0.1 R)
• M5: 2,356,765 km (0.097 R)
• M6: 4,224,793 km (0.098 R)
• M7: 5,165,166 km (0.058 R)
• M8: 5,970,601 km (0.096 R)
• M9: 6,514,987 km (0.114 R)
• M10: 7,121,756 km (0.075 R)
• M11: 8,786,631 km (0.111 R)
• M12: 12,822,033 km (0.03 R)
• M13: 14,243,812 km (0.102 R)
• M14: 15,364,599 km (0.112 R)
• M15: 16,075,039 km (0.079 R)
• M16: 16,438,412 km (0.11 R)
• M17: 17,181,465 km (0.096 R)
• M18: 18,169,559 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.2

Radius: 10.2

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.66 AU - 3.96 AU

Year: 4084 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,228,522 km

• M1: 126,859 km (0.032 R)
• M2: 773,122 km (0.113 R)
• M3: 1,397,095 km (0.078 R)
• M4: 1,976,936 km (0.06 R)
• M5: 2,780,875 km (0.093 R)
• M6: 3,449,577 km (0.082 R)
• M7: 4,341,330 km (0.113 R)
• M8: 4,789,825 km (0.107 R)
• M9: 5,692,648 km (0.089 R)
• M10: 6,138,898 km (0.066 R)
• M11: 8,125,259 km (0.065 R)
• M12: 9,204,009 km (0.105 R)
• M13: 10,594,970 km (0.086 R)
• M14: 11,833,491 km (0.097 R)
• M15: 13,371,506 km (0.119 R)
• M16: 13,736,525 km (0.114 R)
• M17: 15,433,564 km (0.102 R)
• M18: 15,893,427 km (0.109 R)
• M19: 16,362,267 km (0.105 R)
• M20: 19,107,837 km (0.045 R)
• M21: 24,394,775 km (0.071 R)
• M22: 25,653,791 km (0.059 R)
• M23: 27,038,469 km (0.062 R)
• M24: 29,251,620 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.3

Radius: 8.6

Gravity: 11.9 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.64 AU - 4.72 AU

Year: 5796 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,228,522 km

• M1: 106,962 km (0.076 R)
• M2: 387,309 km (0.103 R)
• M3: 685,009 km (0.068 R)
• M4: 969,843 km (0.032 R)
• M5: 2,057,868 km (0.112 R)
• M6: 2,560,218 km (0.098 R)
• M7: 3,600,073 km (0.048 R)
• M8: 4,002,641 km (0.113 R)
• M9: 5,763,258 km (0.11 R)
• M10: 7,264,622 km (0.041 R)
• M11: 11,166,733 km (0.046 R)
• M12: 11,819,129 km (0.082 R)
• M13: 12,128,647 km (0.093 R)
• M14: 12,980,757 km (0.119 R)
• M15: 13,254,970 km (0.109 R)
• M16: 14,216,734 km (0.101 R)
• M17: 14,508,151 km (0.114 R)
• M18: 15,900,907 km (0.073 R)
• M19: 17,182,662 km (0.098 R)
• M20: 22,447,011 km (0.114 R)
• M21: 22,842,697 km (0.058 R)
• M22: 24,975,365 km (0.09 R)
• M23: 25,314,952 km (0.095 R)
• M24: 26,792,231 km (0.115 R)
• M25: 28,788,315 km (0.102 R)
• M26: 31,469,558 km (0.094 R)
• M27: 33,896,634 km (0.063 R)
• M28: 35,368,527 km (0.059 R)
• M29: 36,012,247 km (0.113 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: 291 - 12,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit