🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.8

Radius: 12.3

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.72 AU - 0.96 AU

Year: 522 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,303,611 km

• M1: 153,787 km (0.112 R)
• M2: 574,306 km (0.062 R)
• M3: 1,396,945 km (0.114 R)
• M4: 1,873,863 km (0.057 R)
• M5: 2,295,579 km (0.074 R)
• M6: 3,300,129 km (0.087 R)
• M7: 3,845,114 km (0.04 R)
• M8: 4,435,577 km (0.088 R)
• M9: 5,147,962 km (0.088 R)
• M10: 5,747,999 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.4

Radius: 11

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.72 AU - 0.96 AU

Year: 522 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,303,611 km

• M1: 136,882 km (0.05 R)
• M2: 493,523 km (0.071 R)
• M3: 849,716 km (0.038 R)
• M4: 1,728,753 km (0.052 R)
• M5: 2,214,048 km (0.032 R)
• M6: 3,401,556 km (0.117 R)
• M7: 3,772,110 km (0.079 R)
• M8: 5,034,567 km (0.114 R)
• M9: 5,484,856 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.9

Radius: 8.1

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.01 AU - 1.09 AU

Year: 730 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,303,611 km

• M1: 100,679 km (0.097 R)
• M2: 593,006 km (0.051 R)
• M3: 974,481 km (0.089 R)
• M4: 1,236,277 km (0.111 R)
• M5: 1,641,238 km (0.103 R)
• M6: 2,386,535 km (0.107 R)
• M7: 2,683,935 km (0.043 R)
• M8: 2,968,919 km (0.091 R)
• M9: 4,099,580 km (0.113 R)
• M10: 4,446,647 km (0.118 R)
• M11: 5,004,049 km (0.049 R)
• M12: 5,272,427 km (0.053 R)
• M13: 5,550,380 km (0.095 R)
• M14: 6,075,469 km (0.096 R)
• M15: 7,157,510 km (0.095 R)
• M16: 7,522,080 km (0.116 R)
• M17: 7,898,917 km (0.084 R)
• M18: 8,288,320 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.8

Radius: 12.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.82 AU - 4.14 AU

Year: 5385 Days

Day: 14.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,303,611 km

• M1: 159,621 km (0.118 R)
• M2: 561,740 km (0.086 R)
• M3: 977,323 km (0.101 R)
• M4: 1,480,121 km (0.119 R)
• M5: 2,677,951 km (0.113 R)
• M6: 3,622,064 km (0.093 R)
• M7: 4,936,730 km (0.076 R)
• M8: 6,069,036 km (0.105 R)
• M9: 7,296,487 km (0.116 R)
• M10: 8,139,022 km (0.072 R)
• M11: 10,826,847 km (0.109 R)
• M12: 14,391,764 km (0.089 R)
• M13: 16,995,365 km (0.065 R)
• M14: 17,500,408 km (0.114 R)
• M15: 19,211,508 km (0.117 R)
• M16: 22,735,286 km (0.114 R)
• M17: 29,832,807 km (0.109 R)
• M18: 31,128,325 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 11.8

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5 AU - 5.3 AU

Year: 7927 Days

Day: 12.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,303,611 km

• M1: 147,504 km (0.118 R)
• M2: 552,764 km (0.062 R)
• M3: 1,318,855 km (0.043 R)
• M4: 1,962,874 km (0.079 R)
• M5: 2,590,886 km (0.105 R)
• M6: 3,349,048 km (0.111 R)
• M7: 4,010,420 km (0.099 R)
• M8: 4,845,774 km (0.106 R)
• M9: 5,594,661 km (0.09 R)
• M10: 5,997,229 km (0.069 R)
• M11: 7,166,636 km (0.083 R)
• M12: 8,054,948 km (0.096 R)
• M13: 9,382,629 km (0.116 R)
• M14: 11,479,841 km (0.085 R)
• M15: 13,933,246 km (0.108 R)
• M16: 16,173,475 km (0.093 R)
• M17: 22,849,280 km (0.1 R)
• M18: 23,708,121 km (0.037 R)
• M19: 27,168,768 km (0.072 R)
• M20: 30,128,413 km (0.051 R)
• M21: 34,961,322 km (0.104 R)
• M22: 36,448,324 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.9

Radius: 7.5

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.01 AU - 6.63 AU

Year: 9523 Days

Day: 16 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,303,611 km

• M1: 101,427 km (0.036 R)
• M2: 605,722 km (0.096 R)
• M3: 1,990,848 km (0.109 R)
• M4: 2,689,471 km (0.059 R)
• M5: 3,566,114 km (0.071 R)
• M6: 4,739,410 km (0.103 R)
• M7: 5,300,253 km (0.092 R)
• M8: 7,090,341 km (0.119 R)
• M9: 7,450,872 km (0.087 R)
• M10: 8,121,968 km (0.11 R)
• M11: 10,326,292 km (0.098 R)
• M12: 10,685,626 km (0.059 R)
• M13: 11,483,731 km (0.116 R)
• M14: 12,263,884 km (0.084 R)
• M15: 16,423,752 km (0.074 R)
• M16: 17,775,967 km (0.096 R)
• M17: 24,020,182 km (0.075 R)
• M18: 28,272,352 km (0.109 R)
• M19: 36,785,368 km (0.115 R)
• M20: 38,597,447 km (0.113 R)
• M21: 40,722,186 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 10,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit