🌌 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: 100.8

Radius: 8.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.59 AU - 0.65 AU

Year: 331 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,979,871 km

• M1: 103,821 km (0.115 R)
• M2: 418,425 km (0.082 R)
• M3: 775,665 km (0.082 R)
• M4: 1,098,348 km (0.065 R)
• M5: 1,435,092 km (0.061 R)
• M6: 1,893,909 km (0.058 R)
• M7: 2,218,237 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110

Radius: 8.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.13 AU - 1.35 AU

Year: 937 Days

Day: 7.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,979,871 km

• M1: 109,506 km (0.085 R)
• M2: 687,851 km (0.1 R)
• M3: 1,028,934 km (0.053 R)
• M4: 1,508,695 km (0.062 R)
• M5: 2,684,983 km (0.117 R)
• M6: 3,011,555 km (0.092 R)
• M7: 3,807,565 km (0.108 R)
• M8: 4,824,681 km (0.119 R)
• M9: 5,170,402 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.5

Radius: 14.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.37 AU - 1.67 AU

Year: 1271 Days

Day: 7.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 137.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,979,871 km

• M1: 177,872 km (0.101 R)
• M2: 2,794,039 km (0.109 R)
• M3: 3,714,515 km (0.103 R)
• M4: 4,631,400 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 12.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.62 AU - 1.68 AU

Year: 1438 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 154.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,979,871 km

• M1: 157,227 km (0.089 R)
• M2: 559,646 km (0.052 R)
• M3: 964,757 km (0.104 R)
• M4: 1,435,092 km (0.114 R)
• M5: 1,903,334 km (0.068 R)
• M6: 2,347,041 km (0.105 R)
• M7: 3,018,436 km (0.082 R)
• M8: 4,145,507 km (0.075 R)
• M9: 4,763,196 km (0.038 R)
• M10: 5,367,123 km (0.093 R)
• M11: 5,863,040 km (0.034 R)
• M12: 6,306,448 km (0.087 R)
• M13: 8,485,341 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.2

Radius: 9.4

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.9 AU - 2.9 AU

Year: 2522 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,979,871 km

• M1: 116,986 km (0.119 R)
• M2: 419,921 km (0.112 R)
• M3: 787,483 km (0.065 R)
• M4: 1,247,945 km (0.078 R)
• M5: 1,546,393 km (0.061 R)
• M6: 1,988,156 km (0.106 R)
• M7: 2,526,708 km (0.098 R)
• M8: 3,434,318 km (0.069 R)
• M9: 4,314,103 km (0.044 R)
• M10: 4,740,607 km (0.117 R)
• M11: 5,384,925 km (0.092 R)
• M12: 5,778,517 km (0.061 R)
• M13: 7,429,180 km (0.078 R)
• M14: 8,138,274 km (0.068 R)
• M15: 9,027,633 km (0.117 R)
• M16: 10,424,728 km (0.071 R)
• M17: 11,392,775 km (0.113 R)
• M18: 11,878,370 km (0.069 R)
• M19: 14,097,355 km (0.085 R)
• M20: 15,475,301 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 10.2

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.77 AU - 2.77 AU

Year: 3127 Days

Day: 10.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,979,871 km

• M1: 134,189 km (0.077 R)
• M2: 497,862 km (0.109 R)
• M3: 860,188 km (0.09 R)
• M4: 1,275,322 km (0.106 R)
• M5: 1,823,448 km (0.088 R)
• M6: 2,400,148 km (0.083 R)
• M7: 3,392,431 km (0.093 R)
• M8: 4,358,085 km (0.099 R)
• M9: 5,286,190 km (0.079 R)
• M10: 6,640,799 km (0.073 R)
• M11: 8,900,475 km (0.091 R)
• M12: 9,353,607 km (0.075 R)
• M13: 15,405,589 km (0.067 R)
• M14: 16,281,634 km (0.055 R)
• M15: 16,845,767 km (0.083 R)
• M16: 17,422,916 km (0.053 R)
• M17: 19,109,183 km (0.107 R)
• M18: 19,864,204 km (0.113 R)
• M19: 20,378,521 km (0.097 R)
• M20: 21,568,123 km (0.117 R)
• M21: 22,043,097 km (0.083 R)
• M22: 24,085,407 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 10

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.45 AU - 4.29 AU

Year: 5164 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,979,871 km

• M1: 124,316 km (0.08 R)
• M2: 469,438 km (0.068 R)
• M3: 853,306 km (0.088 R)
• M4: 1,427,164 km (0.101 R)
• M5: 1,870,871 km (0.091 R)
• M6: 2,405,384 km (0.068 R)
• M7: 2,923,142 km (0.11 R)
• M8: 3,301,625 km (0.067 R)
• M9: 4,256,059 km (0.087 R)
• M10: 5,183,865 km (0.109 R)
• M11: 7,545,268 km (0.081 R)
• M12: 7,992,715 km (0.103 R)
• M13: 9,656,393 km (0.113 R)
• M14: 10,731,104 km (0.12 R)
• M15: 11,249,461 km (0.068 R)
• M16: 11,983,388 km (0.075 R)
• M17: 12,593,149 km (0.065 R)
• M18: 13,170,148 km (0.091 R)
• M19: 14,833,676 km (0.028 R)
• M20: 19,321,014 km (0.094 R)
• M21: 25,542,041 km (0.094 R)
• M22: 26,894,406 km (0.096 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 19,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit