🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 9

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.03 AU - 1.41 AU

Year: 899 Days

Day: 14.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,700,776 km

• M1: 112,049 km (0.063 R)
• M2: 430,393 km (0.087 R)
• M3: 888,911 km (0.118 R)
• M4: 1,211,294 km (0.083 R)
• M5: 1,821,055 km (0.063 R)
• M6: 2,131,919 km (0.076 R)
• M7: 2,549,896 km (0.068 R)
• M8: 3,243,431 km (0.088 R)
• M9: 3,535,895 km (0.072 R)
• M10: 4,276,405 km (0.083 R)
• M11: 4,738,812 km (0.105 R)
• M12: 5,555,915 km (0.068 R)
• M13: 6,194,848 km (0.054 R)
• M14: 6,881,951 km (0.084 R)
• M15: 7,568,306 km (0.106 R)
• M16: 8,033,106 km (0.102 R)
• M17: 9,192,041 km (0.088 R)
• M18: 10,270,941 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.1

Radius: 12.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.14 AU - 1.62 AU

Year: 1081 Days

Day: 13.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,700,776 km

• M1: 156,779 km (0.088 R)
• M2: 650,452 km (0.116 R)
• M3: 1,441,824 km (0.085 R)
• M4: 2,282,265 km (0.103 R)
• M5: 2,744,672 km (0.098 R)
• M6: 5,081,391 km (0.042 R)
• M7: 5,546,341 km (0.085 R)
• M8: 6,223,122 km (0.104 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176

Radius: 6.3

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.17 AU - 8.11 AU

Year: 14082 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,700,776 km

• M1: 85,869 km (0.108 R)
• M2: 374,892 km (0.105 R)
• M3: 633,397 km (0.078 R)
• M4: 1,414,298 km (0.114 R)
• M5: 2,828,896 km (0.115 R)
• M6: 3,288,760 km (0.093 R)
• M7: 5,543,947 km (0.09 R)
• M8: 6,127,828 km (0.086 R)
• M9: 9,907,119 km (0.119 R)
• M10: 10,913,314 km (0.108 R)
• M11: 11,466,677 km (0.107 R)
• M12: 15,186,727 km (0.073 R)
• M13: 16,849,807 km (0.079 R)
• M14: 17,656,887 km (0.076 R)
• M15: 18,843,946 km (0.033 R)
• M16: 20,913,483 km (0.057 R)
• M17: 21,375,890 km (0.096 R)
• M18: 25,673,388 km (0.097 R)
• M19: 28,023,421 km (0.04 R)
• M20: 28,491,214 km (0.039 R)
• M21: 30,809,532 km (0.059 R)
• M22: 31,207,761 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.2

Radius: 4.7

Gravity: 42.06 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.57 AU - 9.83 AU

Year: 17112 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,700,776 km

• M1: 59,091 km (0.077 R)
• M2: 299,345 km (0.1 R)
• M3: 500,854 km (0.112 R)
• M4: 922,420 km (0.096 R)
• M5: 1,407,118 km (0.091 R)
• M6: 1,705,865 km (0.096 R)
• M7: 2,210,608 km (0.1 R)
• M8: 2,784,465 km (0.116 R)
• M9: 3,900,615 km (0.067 R)
• M10: 4,592,655 km (0.078 R)
• M11: 5,324,787 km (0.086 R)
• M12: 6,697,796 km (0.104 R)
• M13: 12,886,211 km (0.073 R)
• M14: 15,637,166 km (0.111 R)
• M15: 15,956,258 km (0.102 R)
• M16: 16,607,308 km (0.098 R)
• M17: 20,507,624 km (0.088 R)
• M18: 21,082,678 km (0.092 R)
• M19: 22,567,437 km (0.119 R)
• M20: 26,412,252 km (0.099 R)
• M21: 32,059,272 km (0.105 R)
• M22: 38,315,904 km (0.077 R)
• M23: 40,519,780 km (0.067 R)
• M24: 42,806,683 km (0.095 R)
• M25: 46,477,964 km (0.036 R)
• M26: 49,493,408 km (0.084 R)
• M27: 52,103,891 km (0.12 R)
• M28: 57,408,332 km (0.045 R)
• M29: 58,549,016 km (0.099 R)
• M30: 65,505,168 km (0.111 R)
• M31: 69,717,245 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.6

Radius: 3.9

Gravity: 25.81 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.63 AU - 11.05 AU

Year: 22172 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,700,776 km

• M1: 48,470 km (0.108 R)
• M2: 290,818 km (0.094 R)
• M3: 711,487 km (0.041 R)
• M4: 1,092,962 km (0.071 R)
• M5: 3,311,199 km (0.098 R)
• M6: 4,000,097 km (0.112 R)
• M7: 5,850,773 km (0.077 R)
• M8: 7,298,880 km (0.12 R)
• M9: 7,862,415 km (0.059 R)
• M10: 8,303,729 km (0.119 R)
• M11: 9,343,135 km (0.114 R)
• M12: 15,029,799 km (0.069 R)
• M13: 17,289,026 km (0.095 R)
• M14: 20,304,769 km (0.098 R)
• M15: 31,175,299 km (0.105 R)
• M16: 34,169,500 km (0.078 R)
• M17: 46,624,720 km (0.113 R)
• M18: 51,704,465 km (0.105 R)
• M19: 60,465,814 km (0.032 R)
• M20: 67,700,816 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 18,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit