🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.9

Radius: 11.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.2 AU - 1.9 AU

Year: 1246 Days

Day: 12.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,234,831 km

• M1: 147,952 km (0.108 R)
• M2: 709,244 km (0.036 R)
• M3: 1,138,589 km (0.059 R)
• M4: 2,946,779 km (0.1 R)
• M5: 4,671,343 km (0.117 R)
• M6: 5,869,173 km (0.084 R)
• M7: 6,423,134 km (0.065 R)
• M8: 7,192,965 km (0.113 R)
• M9: 7,731,667 km (0.091 R)
• M10: 8,196,767 km (0.091 R)
• M11: 8,603,074 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.4

Radius: 15

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.56 AU - 2.14 AU

Year: 1625 Days

Day: 6.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,234,831 km

• M1: 186,549 km (0.038 R)
• M2: 727,195 km (0.097 R)
• M3: 1,198,728 km (0.096 R)
• M4: 1,701,526 km (0.076 R)
• M5: 2,242,921 km (0.053 R)
• M6: 3,459,900 km (0.068 R)
• M7: 4,074,148 km (0.117 R)
• M8: 6,085,193 km (0.082 R)
• M9: 7,191,768 km (0.026 R)
• M10: 9,329,073 km (0.103 R)
• M11: 11,862,214 km (0.119 R)
• M12: 12,608,857 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.9

Radius: 10.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.02 AU - 2.46 AU

Year: 2165 Days

Day: 11.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,234,831 km

• M1: 130,599 km (0.089 R)
• M2: 480,808 km (0.094 R)
• M3: 860,487 km (0.095 R)
• M4: 1,207,554 km (0.025 R)
• M5: 1,558,361 km (0.118 R)
• M6: 1,901,389 km (0.102 R)
• M7: 2,252,645 km (0.094 R)
• M8: 2,659,401 km (0.12 R)
• M9: 3,088,448 km (0.063 R)
• M10: 4,054,701 km (0.093 R)
• M11: 4,384,265 km (0.111 R)
• M12: 4,749,732 km (0.109 R)
• M13: 6,508,555 km (0.086 R)
• M14: 7,220,940 km (0.025 R)
• M15: 7,882,910 km (0.106 R)
• M16: 8,267,975 km (0.045 R)
• M17: 9,470,293 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.8

Radius: 11.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.35 AU - 2.67 AU

Year: 2568 Days

Day: 13.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,234,831 km

• M1: 143,165 km (0.092 R)
• M2: 622,626 km (0.052 R)
• M3: 1,165,816 km (0.104 R)
• M4: 1,631,963 km (0.058 R)
• M5: 2,061,907 km (0.084 R)
• M6: 2,996,146 km (0.091 R)
• M7: 3,438,058 km (0.11 R)
• M8: 3,904,804 km (0.03 R)
• M9: 4,599,835 km (0.051 R)
• M10: 5,168,158 km (0.052 R)
• M11: 6,686,576 km (0.113 R)
• M12: 7,534,198 km (0.068 R)
• M13: 8,014,856 km (0.065 R)
• M14: 9,789,834 km (0.082 R)
• M15: 10,657,502 km (0.066 R)
• M16: 12,094,838 km (0.102 R)
• M17: 14,101,843 km (0.086 R)
• M18: 14,510,245 km (0.086 R)
• M19: 15,208,269 km (0.097 R)
• M20: 15,879,814 km (0.049 R)

Asteroid Belt

Center: 2.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.7

Radius: 8.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.22 AU - 3.58 AU

Year: 4048 Days

Day: 12 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,234,831 km

• M1: 103,223 km (0.056 R)
• M2: 721,511 km (0.119 R)
• M3: 1,196,933 km (0.115 R)
• M4: 1,902,586 km (0.117 R)
• M5: 2,283,611 km (0.089 R)
• M6: 3,026,814 km (0.088 R)
• M7: 3,776,748 km (0.118 R)
• M8: 4,224,494 km (0.068 R)
• M9: 5,952,948 km (0.077 R)
• M10: 6,534,136 km (0.06 R)
• M11: 7,152,573 km (0.06 R)
• M12: 7,519,088 km (0.116 R)
• M13: 8,289,667 km (0.077 R)
• M14: 8,568,368 km (0.09 R)
• M15: 9,746,451 km (0.109 R)
• M16: 10,162,183 km (0.095 R)
• M17: 14,100,048 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.5

Radius: 6.6

Gravity: 19.89 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.47 AU - 8.25 AU

Year: 11601 Days

Day: 17.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,234,831 km

• M1: 82,129 km (0.1 R)
• M2: 724,502 km (0.12 R)
• M3: 1,098,198 km (0.085 R)
• M4: 1,419,085 km (0.11 R)
• M5: 3,000,634 km (0.103 R)
• M6: 3,524,675 km (0.074 R)
• M7: 4,721,907 km (0.12 R)
• M8: 7,708,180 km (0.067 R)
• M9: 8,833,904 km (0.03 R)
• M10: 13,901,831 km (0.069 R)
• M11: 14,237,229 km (0.072 R)
• M12: 17,118,036 km (0.072 R)
• M13: 21,148,651 km (0.086 R)
• M14: 22,406,919 km (0.04 R)
• M15: 25,669,199 km (0.072 R)
• M16: 43,435,293 km (0.03 R)
• M17: 44,586,299 km (0.047 R)
• M18: 47,249,889 km (0.12 R)
• M19: 51,601,242 km (0.059 R)
• M20: 52,243,915 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 12,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit