🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.98 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.51 AU - 2.41 AU

Year: 973 Days

Day: 24 Hours

Environment

Temp: -47 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.04 AU - 3.06 AU

Year: 1890 Days

Day: 14 Hours

Environment

Temp: -93 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.7

Radius: 8.5

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.66 AU - 8 AU

Year: 7773 Days

Day: 9.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,461,608 km

• M1: 105,915 km (0.114 R)
• M2: 482,154 km (0.076 R)
• M3: 820,096 km (0.095 R)
• M4: 1,159,832 km (0.103 R)
• M5: 2,049,790 km (0.086 R)
• M6: 2,989,863 km (0.041 R)
• M7: 4,379,777 km (0.099 R)
• M8: 5,095,453 km (0.029 R)
• M9: 6,156,850 km (0.026 R)
• M10: 7,873,186 km (0.084 R)
• M11: 8,929,048 km (0.059 R)
• M12: 10,463,773 km (0.057 R)
• M13: 10,911,220 km (0.041 R)
• M14: 12,004,780 km (0.077 R)
• M15: 12,885,912 km (0.069 R)
• M16: 13,750,438 km (0.083 R)
• M17: 14,962,629 km (0.115 R)
• M18: 18,589,480 km (0.106 R)
• M19: 19,246,065 km (0.046 R)
• M20: 26,229,892 km (0.086 R)
• M21: 31,549,742 km (0.095 R)
• M22: 32,693,717 km (0.091 R)
• M23: 34,624,876 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.4

Radius: 14

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.42 AU - 8.66 AU

Year: 8088 Days

Day: 11.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,461,608 km

• M1: 176,825 km (0.106 R)
• M2: 1,313,170 km (0.098 R)
• M3: 2,197,892 km (0.04 R)
• M4: 5,369,068 km (0.107 R)
• M5: 5,974,939 km (0.076 R)
• M6: 6,727,715 km (0.058 R)
• M7: 8,423,557 km (0.081 R)
• M8: 12,332,998 km (0.11 R)
• M9: 13,121,229 km (0.083 R)
• M10: 15,507,764 km (0.106 R)
• M11: 15,993,209 km (0.069 R)
• M12: 16,551,359 km (0.108 R)
• M13: 19,261,175 km (0.067 R)
• M14: 23,821,666 km (0.105 R)
• M15: 27,263,015 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.9

Radius: 8.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.56 AU - 12.32 AU

Year: 11118 Days

Day: 12.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,461,608 km

• M1: 102,026 km (0.027 R)
• M2: 357,539 km (0.06 R)
• M3: 916,137 km (0.027 R)
• M4: 1,277,566 km (0.05 R)
• M5: 2,551,691 km (0.102 R)
• M6: 5,099,642 km (0.03 R)
• M7: 5,761,164 km (0.103 R)
• M8: 7,144,944 km (0.093 R)
• M9: 7,740,942 km (0.097 R)
• M10: 8,129,896 km (0.065 R)
• M11: 11,081,761 km (0.086 R)
• M12: 13,313,014 km (0.118 R)
• M13: 15,216,946 km (0.096 R)
• M14: 17,229,636 km (0.103 R)
• M15: 35,644,834 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 11.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 9.27 AU - 12.79 AU

Year: 12996 Days

Day: 14.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,461,608 km

• M1: 139,276 km (0.111 R)
• M2: 568,023 km (0.109 R)
• M3: 989,291 km (0.043 R)
• M4: 1,469,051 km (0.091 R)
• M5: 2,102,149 km (0.081 R)
• M6: 4,163,758 km (0.063 R)
• M7: 5,221,265 km (0.053 R)
• M8: 6,243,617 km (0.072 R)
• M9: 7,131,480 km (0.043 R)
• M10: 9,787,441 km (0.1 R)
• M11: 11,438,253 km (0.095 R)
• M12: 13,724,707 km (0.056 R)
• M13: 15,036,830 km (0.097 R)
• M14: 18,327,086 km (0.076 R)
• M15: 18,823,152 km (0.04 R)
• M16: 21,673,889 km (0.065 R)
• M17: 27,197,342 km (0.096 R)
• M18: 27,565,203 km (0.097 R)
• M19: 30,134,845 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.4

Radius: 6.5

Gravity: 19.32 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 14.19 AU - 17.69 AU

Year: 22577 Days

Day: 23.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,461,608 km

• M1: 80,783 km (0.051 R)
• M2: 364,121 km (0.068 R)
• M3: 890,107 km (0.112 R)
• M4: 1,143,975 km (0.111 R)
• M5: 2,347,041 km (0.106 R)
• M6: 2,709,217 km (0.067 R)
• M7: 3,336,631 km (0.086 R)
• M8: 4,090,155 km (0.117 R)
• M9: 4,837,846 km (0.088 R)
• M10: 5,673,200 km (0.085 R)
• M11: 9,269,234 km (0.116 R)
• M12: 13,687,906 km (0.114 R)
• M13: 18,026,992 km (0.069 R)
• M14: 18,302,103 km (0.051 R)
• M15: 18,860,851 km (0.063 R)
• M16: 20,406,346 km (0.108 R)
• M17: 21,414,038 km (0.116 R)
• M18: 24,974,766 km (0.068 R)
• M19: 25,202,454 km (0.107 R)
• M20: 26,835,315 km (0.11 R)
• M21: 28,911,135 km (0.079 R)
• M22: 33,242,143 km (0.109 R)
• M23: 38,438,874 km (0.085 R)
• M24: 44,652,272 km (0.102 R)
• M25: 46,690,692 km (0.113 R)
• M26: 47,908,120 km (0.069 R)
• M27: 50,406,105 km (0.038 R)
• M28: 59,223,254 km (0.094 R)
• M29: 59,425,660 km (0.112 R)
• M30: 67,680,470 km (0.088 R)
• M31: 68,790,935 km (0.114 R)
• M32: 69,913,667 km (0.12 R)
• M33: 74,762,583 km (0.034 R)
• M34: 82,322,960 km (0.096 R)
• M35: 82,827,404 km (0.066 R)
• M36: 87,461,647 km (0.101 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 10,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit