🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.7

Radius: 11.4

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.59 AU - 0.77 AU

Year: 394 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,828,396 km

• M1: 141,968 km (0.094 R)
• M2: 544,686 km (0.062 R)
• M3: 963,560 km (0.064 R)
• M4: 1,490,294 km (0.1 R)
• M5: 1,893,161 km (0.036 R)
• M6: 2,952,464 km (0.028 R)
• M7: 3,396,470 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.5

Radius: 9.2

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.69 AU - 0.81 AU

Year: 457 Days

Day: 6.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,828,396 km

• M1: 114,442 km (0.054 R)
• M2: 422,464 km (0.06 R)
• M3: 821,891 km (0.07 R)
• M4: 1,284,298 km (0.114 R)
• M5: 1,776,475 km (0.079 R)
• M6: 2,067,293 km (0.047 R)
• M7: 2,417,950 km (0.114 R)
• M8: 2,706,674 km (0.063 R)
• M9: 3,568,358 km (0.117 R)
• M10: 3,880,270 km (0.116 R)
• M11: 4,912,495 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.8

Radius: 13

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.84 AU - 1.22 AU

Year: 735 Days

Day: 10.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,828,396 km

• M1: 161,715 km (0.039 R)
• M2: 679,623 km (0.112 R)
• M3: 1,545,645 km (0.091 R)
• M4: 1,993,092 km (0.112 R)
• M5: 2,423,785 km (0.109 R)
• M6: 2,859,115 km (0.08 R)
• M7: 3,584,515 km (0.095 R)
• M8: 3,991,421 km (0.088 R)
• M9: 4,967,098 km (0.117 R)
• M10: 5,621,589 km (0.097 R)
• M11: 6,846,795 km (0.114 R)
• M12: 7,388,639 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 10.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.04 AU - 1.38 AU

Year: 936 Days

Day: 13.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,828,396 km

• M1: 138,528 km (0.114 R)
• M2: 601,234 km (0.099 R)
• M3: 1,101,040 km (0.065 R)
• M4: 2,130,124 km (0.098 R)
• M5: 2,745,271 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.6

Radius: 14.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.94 AU - 2.02 AU

Year: 1958 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,828,396 km

• M1: 175,478 km (0.115 R)
• M2: 619,634 km (0.043 R)
• M3: 1,297,313 km (0.04 R)
• M4: 1,894,657 km (0.063 R)
• M5: 2,702,186 km (0.102 R)
• M6: 3,463,789 km (0.114 R)
• M7: 4,263,988 km (0.03 R)
• M8: 4,783,990 km (0.057 R)
• M9: 6,686,127 km (0.104 R)
• M10: 7,478,996 km (0.116 R)
• M11: 8,884,019 km (0.083 R)
• M12: 10,093,668 km (0.073 R)
• M13: 10,719,435 km (0.102 R)
• M14: 13,009,031 km (0.028 R)
• M15: 14,291,533 km (0.075 R)
• M16: 16,496,456 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400

Radius: 9.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.86 AU - 5.52 AU

Year: 8311 Days

Day: 13.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 33,828,396 km

• M1: 113,246 km (0.09 R)
• M2: 807,978 km (0.105 R)
• M3: 1,248,394 km (0.093 R)
• M4: 1,843,943 km (0.071 R)
• M5: 2,223,473 km (0.101 R)
• M6: 2,691,415 km (0.05 R)
• M7: 3,059,276 km (0.101 R)
• M8: 3,373,133 km (0.079 R)
• M9: 3,944,597 km (0.066 R)
• M10: 4,768,582 km (0.105 R)
• M11: 5,339,148 km (0.119 R)
• M12: 5,702,970 km (0.104 R)
• M13: 6,789,499 km (0.091 R)
• M14: 7,437,557 km (0.119 R)
• M15: 8,165,650 km (0.106 R)
• M16: 8,608,460 km (0.077 R)
• M17: 10,216,487 km (0.039 R)
• M18: 11,913,226 km (0.092 R)
• M19: 12,430,685 km (0.036 R)
• M20: 14,476,736 km (0.089 R)
• M21: 14,887,681 km (0.106 R)
• M22: 15,366,693 km (0.063 R)
• M23: 17,386,863 km (0.066 R)
• M24: 18,597,858 km (0.114 R)
• M25: 18,944,027 km (0.078 R)
• M26: 22,411,257 km (0.116 R)
• M27: 23,279,972 km (0.112 R)
• M28: 26,803,899 km (0.113 R)
• M29: 27,602,902 km (0.096 R)
• M30: 30,668,311 km (0.049 R)
• M31: 31,249,050 km (0.095 R)
• M32: 32,233,255 km (0.112 R)
• M33: 35,098,952 km (0.077 R)

Asteroid Belt

Center: 7.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.7

Radius: 3.1

Gravity: 84.05 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 9.02 AU - 11.28 AU

Year: 22730 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 33,828,396 km

• M1: 38,746 km (0.088 R)
• M2: 139,874 km (0.084 R)
• M3: 483,800 km (0.06 R)
• M4: 629,358 km (0.098 R)
• M5: 1,325,437 km (0.058 R)
• M6: 1,704,069 km (0.108 R)
• M7: 1,898,397 km (0.116 R)
• M8: 2,670,771 km (0.049 R)
• M9: 3,098,172 km (0.116 R)
• M10: 3,790,361 km (0.07 R)
• M11: 3,887,600 km (0.119 R)
• M12: 7,492,609 km (0.056 R)
• M13: 9,123,525 km (0.101 R)
• M14: 9,715,933 km (0.081 R)
• M15: 10,780,920 km (0.03 R)
• M16: 11,714,560 km (0.056 R)
• M17: 13,288,480 km (0.113 R)
• M18: 14,756,633 km (0.081 R)
• M19: 16,073,842 km (0.115 R)
• M20: 17,200,314 km (0.117 R)
• M21: 19,034,384 km (0.078 R)
• M22: 22,233,086 km (0.067 R)
• M23: 22,338,403 km (0.117 R)
• M24: 29,035,451 km (0.085 R)
• M25: 31,756,337 km (0.107 R)
• M26: 33,384,859 km (0.117 R)
• M27: 34,642,229 km (0.105 R)
• M28: 40,928,781 km (0.094 R)
• M29: 43,675,398 km (0.094 R)
• M30: 44,673,365 km (0.073 R)
• M31: 46,714,777 km (0.086 R)
• M32: 50,253,964 km (0.069 R)
• M33: 52,088,632 km (0.088 R)
• M34: 58,059,233 km (0.11 R)
• M35: 66,634,183 km (0.096 R)
• M36: 81,894,512 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.7

Radius: 4.3

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.16 AU - 11.58 AU

Year: 23473 Days

Day: 16.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,828,396 km

• M1: 57,446 km (0.052 R)
• M2: 303,983 km (0.094 R)
• M3: 448,494 km (0.065 R)
• M4: 2,247,708 km (0.109 R)
• M5: 3,009,760 km (0.093 R)
• M6: 9,675,691 km (0.099 R)
• M7: 11,638,266 km (0.063 R)
• M8: 12,192,974 km (0.102 R)
• M9: 15,593,334 km (0.115 R)
• M10: 19,646,090 km (0.112 R)
• M11: 22,371,165 km (0.09 R)
• M12: 25,254,365 km (0.109 R)
• M13: 33,727,139 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 11,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit