🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.54 AU - 0.72 AU

Year: 328 Days

Day: 34.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,645,430 km

• M1: 151,543 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.6

Radius: 11.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.67 AU - 0.71 AU

Year: 376 Days

Day: 12.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,645,430 km

• M1: 138,079 km (0.119 R)
• M2: 576,700 km (0.12 R)
• M3: 1,151,904 km (0.084 R)
• M4: 1,589,627 km (0.101 R)
• M5: 2,130,872 km (0.085 R)
• M6: 2,639,654 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.6

Radius: 9

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.09 AU - 1.15 AU

Year: 778 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,645,430 km

• M1: 111,899 km (0.072 R)
• M2: 463,903 km (0.118 R)
• M3: 842,685 km (0.116 R)
• M4: 1,181,374 km (0.042 R)
• M5: 1,561,652 km (0.074 R)
• M6: 2,389,826 km (0.111 R)
• M7: 2,978,793 km (0.12 R)
• M8: 4,080,132 km (0.064 R)
• M9: 4,547,925 km (0.074 R)
• M10: 4,958,421 km (0.101 R)
• M11: 5,570,726 km (0.052 R)
• M12: 6,083,547 km (0.089 R)
• M13: 6,899,753 km (0.03 R)
• M14: 7,346,452 km (0.089 R)
• M15: 8,090,851 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 11.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.12 AU - 1.36 AU

Year: 906 Days

Day: 6.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,645,430 km

• M1: 144,362 km (0.094 R)
• M2: 613,800 km (0.113 R)
• M3: 998,267 km (0.115 R)
• M4: 1,385,276 km (0.116 R)
• M5: 1,962,724 km (0.113 R)
• M6: 2,884,546 km (0.086 R)
• M7: 3,847,657 km (0.113 R)
• M8: 4,542,240 km (0.109 R)
• M9: 5,450,598 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.5

Radius: 12.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.75 AU - 2.25 AU

Year: 1855 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,645,430 km

• M1: 154,235 km (0.059 R)
• M2: 656,735 km (0.103 R)
• M3: 1,342,641 km (0.069 R)
• M4: 1,792,482 km (0.09 R)
• M5: 2,646,386 km (0.114 R)
• M6: 3,825,816 km (0.063 R)
• M7: 4,604,772 km (0.071 R)
• M8: 5,718,379 km (0.084 R)
• M9: 7,557,236 km (0.114 R)
• M10: 8,320,484 km (0.093 R)
• M11: 10,560,562 km (0.087 R)
• M12: 11,439,600 km (0.066 R)
• M13: 13,177,029 km (0.047 R)
• M14: 14,458,485 km (0.047 R)
• M15: 15,084,252 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526

Radius: 5.6

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.56 AU - 7.8 AU

Year: 11326 Days

Day: 20 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,645,430 km

• M1: 69,713 km (0.083 R)
• M2: 473,926 km (0.082 R)
• M3: 671,994 km (0.07 R)
• M4: 1,765,554 km (0.072 R)
• M5: 2,328,790 km (0.069 R)
• M6: 2,787,308 km (0.113 R)
• M7: 3,049,403 km (0.103 R)
• M8: 3,351,890 km (0.054 R)
• M9: 3,882,514 km (0.031 R)
• M10: 4,888,858 km (0.097 R)
• M11: 5,435,639 km (0.1 R)
• M12: 6,058,265 km (0.11 R)
• M13: 6,239,428 km (0.062 R)
• M14: 6,804,459 km (0.094 R)
• M15: 7,568,455 km (0.114 R)
• M16: 7,992,865 km (0.033 R)
• M17: 8,888,956 km (0.086 R)
• M18: 10,050,583 km (0.109 R)
• M19: 11,977,554 km (0.082 R)
• M20: 14,011,337 km (0.046 R)
• M21: 15,242,826 km (0.102 R)
• M22: 16,615,088 km (0.058 R)
• M23: 19,524,317 km (0.088 R)
• M24: 20,402,457 km (0.079 R)
• M25: 21,390,102 km (0.101 R)
• M26: 22,237,275 km (0.09 R)
• M27: 24,912,533 km (0.103 R)
• M28: 25,378,232 km (0.056 R)
• M29: 27,005,408 km (0.081 R)
• M30: 27,398,102 km (0.111 R)
• M31: 30,044,339 km (0.059 R)
• M32: 35,018,468 km (0.115 R)
• M33: 40,771,254 km (0.085 R)
• M34: 45,166,589 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.6

Radius: 8

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.19 AU - 10.71 AU

Year: 19057 Days

Day: 19.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,645,430 km

• M1: 99,483 km (0.055 R)
• M2: 488,287 km (0.062 R)
• M3: 1,980,975 km (0.079 R)
• M4: 2,826,951 km (0.08 R)
• M5: 3,104,455 km (0.062 R)
• M6: 4,918,778 km (0.065 R)
• M7: 5,827,286 km (0.038 R)
• M8: 7,488,121 km (0.048 R)
• M9: 7,923,601 km (0.079 R)
• M10: 9,167,806 km (0.07 R)
• M11: 9,722,814 km (0.112 R)
• M12: 10,299,963 km (0.113 R)
• M13: 11,396,366 km (0.071 R)
• M14: 12,038,141 km (0.12 R)
• M15: 12,367,854 km (0.096 R)
• M16: 13,184,060 km (0.036 R)
• M17: 16,892,143 km (0.101 R)
• M18: 22,910,316 km (0.048 R)
• M19: 24,035,291 km (0.059 R)
• M20: 29,855,845 km (0.104 R)
• M21: 30,217,723 km (0.075 R)
• M22: 30,950,303 km (0.113 R)
• M23: 33,090,301 km (0.044 R)
• M24: 37,662,461 km (0.078 R)
• M25: 38,368,563 km (0.106 R)
• M26: 38,939,727 km (0.042 R)
• M27: 44,025,756 km (0.068 R)
• M28: 44,337,967 km (0.102 R)
• M29: 45,283,724 km (0.099 R)
• M30: 45,601,919 km (0.112 R)
• M31: 46,242,796 km (0.114 R)
• M32: 47,215,332 km (0.069 R)
• M33: 48,036,175 km (0.089 R)
• M34: 60,933,756 km (0.111 R)
• M35: 64,083,090 km (0.068 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 11,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit