🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.2

Radius: 8.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.6 AU - 0.82 AU

Year: 380 Days

Day: 8.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 59,142,867 km

• M1: 109,506 km (0.113 R)
• M2: 543,339 km (0.111 R)
• M3: 1,037,910 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 9.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.04 AU - 1.24 AU

Year: 774 Days

Day: 7.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,142,867 km

• M1: 113,246 km (0.077 R)
• M2: 420,968 km (0.107 R)
• M3: 823,087 km (0.086 R)
• M4: 1,260,063 km (0.101 R)
• M5: 1,606,083 km (0.106 R)
• M6: 2,185,625 km (0.102 R)
• M7: 2,504,119 km (0.109 R)
• M8: 2,831,738 km (0.097 R)
• M9: 3,321,372 km (0.08 R)
• M10: 3,678,462 km (0.064 R)
• M11: 4,485,393 km (0.067 R)
• M12: 4,955,130 km (0.119 R)
• M13: 5,919,737 km (0.082 R)
• M14: 6,331,131 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.9

Radius: 12.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.98 AU - 5.04 AU

Year: 7130 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,142,867 km

• M1: 159,172 km (0.082 R)
• M2: 587,321 km (0.083 R)
• M3: 1,256,921 km (0.083 R)
• M4: 2,043,357 km (0.057 R)
• M5: 2,533,889 km (0.119 R)
• M6: 3,002,429 km (0.113 R)
• M7: 3,953,573 km (0.119 R)
• M8: 4,434,230 km (0.112 R)
• M9: 5,290,080 km (0.063 R)
• M10: 7,086,900 km (0.073 R)
• M11: 9,999,271 km (0.074 R)
• M12: 12,408,695 km (0.03 R)
• M13: 17,119,232 km (0.058 R)
• M14: 18,806,547 km (0.067 R)
• M15: 20,912,286 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.8

Radius: 10.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.32 AU - 5.56 AU

Year: 8067 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,142,867 km

• M1: 135,536 km (0.117 R)
• M2: 854,204 km (0.079 R)
• M3: 5,616,054 km (0.059 R)
• M4: 6,663,538 km (0.119 R)
• M5: 8,909,600 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.6

Radius: 13.3

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.11 AU - 7.03 AU

Year: 9509 Days

Day: 9 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,142,867 km

• M1: 184,155 km (0.051 R)
• M2: 720,463 km (0.054 R)
• M3: 1,412,353 km (0.039 R)
• M4: 1,940,883 km (0.105 R)
• M5: 3,151,130 km (0.12 R)
• M6: 3,935,022 km (0.096 R)
• M7: 4,373,793 km (0.081 R)
• M8: 5,416,640 km (0.05 R)
• M9: 7,364,105 km (0.066 R)
• M10: 8,296,548 km (0.052 R)
• M11: 9,990,146 km (0.069 R)
• M12: 11,680,003 km (0.044 R)
• M13: 12,651,791 km (0.049 R)
• M14: 14,626,483 km (0.102 R)
• M15: 15,891,931 km (0.078 R)
• M16: 17,666,611 km (0.119 R)
• M17: 18,412,356 km (0.079 R)
• M18: 22,546,344 km (0.066 R)
• M19: 23,871,183 km (0.07 R)
• M20: 26,098,097 km (0.049 R)
• M21: 29,278,248 km (0.04 R)
• M22: 30,747,598 km (0.075 R)
• M23: 39,466,910 km (0.079 R)
• M24: 40,870,437 km (0.111 R)
• M25: 41,519,243 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.4

Radius: 3

Gravity: 43.27 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.33 AU - 10.37 AU

Year: 18178 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,142,867 km

• M1: 37,250 km (0.119 R)
• M2: 150,047 km (0.077 R)
• M3: 399,576 km (0.03 R)
• M4: 895,942 km (0.108 R)
• M5: 1,005,896 km (0.072 R)
• M6: 1,714,242 km (0.076 R)
• M7: 1,832,424 km (0.104 R)
• M8: 2,340,010 km (0.096 R)
• M9: 2,659,401 km (0.079 R)
• M10: 2,887,837 km (0.104 R)
• M11: 3,254,950 km (0.119 R)
• M12: 5,280,954 km (0.098 R)
• M13: 5,568,182 km (0.115 R)
• M14: 5,903,730 km (0.112 R)
• M15: 6,371,822 km (0.076 R)
• M16: 13,453,187 km (0.039 R)
• M17: 14,536,724 km (0.106 R)
• M18: 15,099,811 km (0.115 R)
• M19: 16,119,769 km (0.119 R)
• M20: 16,646,653 km (0.102 R)
• M21: 16,952,730 km (0.06 R)
• M22: 17,184,906 km (0.087 R)
• M23: 18,458,432 km (0.068 R)
• M24: 27,020,966 km (0.104 R)
• M25: 28,628,844 km (0.119 R)
• M26: 31,681,687 km (0.075 R)
• M27: 32,745,628 km (0.084 R)
• M28: 33,589,360 km (0.096 R)
• M29: 39,092,916 km (0.063 R)
• M30: 40,178,996 km (0.09 R)
• M31: 43,992,844 km (0.113 R)
• M32: 47,426,115 km (0.109 R)
• M33: 48,972,957 km (0.025 R)
• M34: 52,493,743 km (0.111 R)
• M35: 55,837,405 km (0.034 R)
• M36: 56,350,975 km (0.052 R)
• M37: 57,040,471 km (0.083 R)
• M38: 58,260,741 km (0.083 R)
• M39: 58,612,446 km (0.062 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: 295 - 14,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit