🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.1

Radius: 13.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.02 AU - 1.66 AU

Year: 1034 Days

Day: 8.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,453,634 km

• M1: 172,935 km (0.066 R)
• M2: 832,662 km (0.052 R)
• M3: 1,557,164 km (0.096 R)
• M4: 2,394,015 km (0.119 R)
• M5: 2,935,709 km (0.044 R)
• M6: 3,666,195 km (0.091 R)
• M7: 4,533,264 km (0.109 R)
• M8: 5,132,254 km (0.115 R)
• M9: 5,636,549 km (0.101 R)
• M10: 6,129,623 km (0.11 R)
• M11: 7,681,851 km (0.057 R)
• M12: 8,371,347 km (0.065 R)
• M13: 9,662,078 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 9.5

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.12 AU - 2.86 AU

Year: 2620 Days

Day: 6.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,453,634 km

• M1: 118,182 km (0.111 R)
• M2: 518,955 km (0.058 R)
• M3: 842,535 km (0.103 R)
• M4: 1,554,023 km (0.074 R)
• M5: 2,716,997 km (0.102 R)
• M6: 3,130,036 km (0.079 R)
• M7: 3,434,618 km (0.057 R)
• M8: 4,857,892 km (0.087 R)
• M9: 5,649,115 km (0.091 R)
• M10: 6,158,047 km (0.097 R)
• M11: 6,814,781 km (0.115 R)
• M12: 7,360,814 km (0.119 R)
• M13: 10,381,344 km (0.111 R)
• M14: 11,145,789 km (0.11 R)
• M15: 11,520,682 km (0.048 R)
• M16: 12,033,653 km (0.096 R)
• M17: 13,711,991 km (0.109 R)
• M18: 14,632,018 km (0.071 R)
• M19: 16,648,448 km (0.073 R)
• M20: 18,320,653 km (0.096 R)
• M21: 21,161,367 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548

Radius: 11.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.5 AU - 3.84 AU

Year: 3764 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,453,634 km

• M1: 149,747 km (0.105 R)
• M2: 632,500 km (0.047 R)
• M3: 1,392,756 km (0.065 R)
• M4: 2,304,705 km (0.108 R)
• M5: 2,943,338 km (0.081 R)
• M6: 3,332,891 km (0.093 R)
• M7: 4,529,524 km (0.071 R)
• M8: 5,151,253 km (0.098 R)
• M9: 5,721,071 km (0.067 R)
• M10: 6,774,091 km (0.047 R)
• M11: 7,204,783 km (0.119 R)
• M12: 7,588,502 km (0.108 R)
• M13: 8,967,345 km (0.069 R)
• M14: 9,678,085 km (0.05 R)
• M15: 10,547,547 km (0.082 R)
• M16: 10,917,952 km (0.077 R)
• M17: 12,081,674 km (0.036 R)
• M18: 12,624,714 km (0.069 R)
• M19: 13,517,813 km (0.097 R)
• M20: 18,095,059 km (0.106 R)
• M21: 18,686,719 km (0.053 R)
• M22: 20,412,031 km (0.111 R)
• M23: 22,783,457 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239

Radius: 7.2

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.07 AU - 8.05 AU

Year: 11204 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,453,634 km

• M1: 89,759 km (0.034 R)
• M2: 869,762 km (0.061 R)
• M3: 1,370,915 km (0.059 R)
• M4: 1,606,681 km (0.049 R)
• M5: 1,989,203 km (0.092 R)
• M6: 2,666,133 km (0.099 R)
• M7: 2,976,698 km (0.112 R)
• M8: 3,787,818 km (0.077 R)
• M9: 4,766,188 km (0.07 R)
• M10: 5,165,914 km (0.069 R)
• M11: 6,197,241 km (0.059 R)
• M12: 8,454,075 km (0.109 R)
• M13: 10,247,155 km (0.118 R)
• M14: 12,544,679 km (0.11 R)
• M15: 12,976,718 km (0.103 R)
• M16: 14,215,687 km (0.089 R)
• M17: 17,058,047 km (0.073 R)
• M18: 17,521,351 km (0.046 R)
• M19: 19,674,813 km (0.116 R)
• M20: 20,331,697 km (0.08 R)
• M21: 20,702,849 km (0.094 R)
• M22: 21,766,191 km (0.071 R)
• M23: 22,154,697 km (0.119 R)
• M24: 23,266,957 km (0.063 R)
• M25: 23,591,584 km (0.031 R)
• M26: 24,499,643 km (0.076 R)
• M27: 25,089,508 km (0.111 R)
• M28: 25,861,732 km (0.06 R)
• M29: 28,181,696 km (0.029 R)
• M30: 32,317,030 km (0.072 R)
• M31: 33,231,073 km (0.073 R)
• M32: 35,216,835 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.2

Radius: 3.5

Gravity: 23.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.65 AU - 11.85 AU

Year: 20302 Days

Day: 24 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,453,634 km

• M1: 44,281 km (0.112 R)
• M2: 335,698 km (0.081 R)
• M3: 680,222 km (0.103 R)
• M4: 1,562,849 km (0.082 R)
• M5: 3,942,652 km (0.066 R)
• M6: 4,450,686 km (0.105 R)
• M7: 4,608,063 km (0.04 R)
• M8: 5,704,765 km (0.108 R)
• M9: 12,320,581 km (0.086 R)
• M10: 13,203,059 km (0.12 R)
• M11: 13,332,611 km (0.106 R)
• M12: 18,015,623 km (0.072 R)
• M13: 23,025,655 km (0.096 R)
• M14: 33,107,804 km (0.085 R)
• M15: 36,052,339 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 16,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit