🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.7

Radius: 13.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.27 AU - 1.33 AU

Year: 988 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 94,195,020 km

• M1: 168,298 km (0.094 R)
• M2: 837,748 km (0.111 R)
• M3: 1,954,197 km (0.071 R)
• M4: 2,447,870 km (0.098 R)
• M5: 3,377,471 km (0.112 R)
• M6: 4,237,958 km (0.113 R)
• M7: 4,884,221 km (0.096 R)
• M8: 6,355,965 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 12.7

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.61 AU - 1.61 AU

Year: 1362 Days

Day: 8 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,195,020 km

• M1: 157,975 km (0.103 R)
• M2: 560,992 km (0.099 R)
• M3: 1,115,551 km (0.034 R)
• M4: 1,526,796 km (0.073 R)
• M5: 2,193,254 km (0.117 R)
• M6: 3,412,776 km (0.12 R)
• M7: 4,025,529 km (0.092 R)
• M8: 4,468,040 km (0.069 R)
• M9: 4,864,773 km (0.083 R)
• M10: 5,264,648 km (0.117 R)
• M11: 5,664,823 km (0.11 R)
• M12: 7,242,183 km (0.087 R)
• M13: 8,174,327 km (0.099 R)
• M14: 9,427,209 km (0.116 R)
• M15: 10,905,086 km (0.114 R)
• M16: 11,593,835 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.8

Radius: 13.8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.4 AU - 3.32 AU

Year: 3225 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,195,020 km

• M1: 172,935 km (0.061 R)
• M2: 687,552 km (0.12 R)
• M3: 1,581,549 km (0.115 R)
• M4: 2,640,552 km (0.073 R)
• M5: 3,856,932 km (0.12 R)
• M6: 5,600,346 km (0.078 R)
• M7: 6,673,411 km (0.111 R)
• M8: 7,480,791 km (0.097 R)
• M9: 9,129,509 km (0.115 R)
• M10: 9,718,476 km (0.098 R)
• M11: 10,685,178 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964

Radius: 10.1

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.92 AU - 4.04 AU

Year: 4329 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 94,195,020 km

• M1: 126,560 km (0.039 R)
• M2: 708,346 km (0.093 R)
• M3: 1,037,611 km (0.059 R)
• M4: 1,688,960 km (0.075 R)
• M5: 2,055,624 km (0.117 R)
• M6: 2,841,612 km (0.115 R)
• M7: 3,661,557 km (0.106 R)
• M8: 4,761,102 km (0.115 R)
• M9: 5,108,618 km (0.118 R)
• M10: 6,317,668 km (0.107 R)
• M11: 8,226,237 km (0.114 R)
• M12: 14,878,107 km (0.027 R)
• M13: 16,095,534 km (0.113 R)
• M14: 17,315,654 km (0.029 R)
• M15: 18,076,808 km (0.093 R)
• M16: 18,992,646 km (0.051 R)
• M17: 19,529,852 km (0.095 R)
• M18: 23,731,757 km (0.104 R)
• M19: 24,670,634 km (0.116 R)
• M20: 26,042,895 km (0.037 R)
• M21: 26,622,437 km (0.055 R)
• M22: 30,282,499 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939

Radius: 8.9

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.42 AU - 4.84 AU

Year: 6644 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 94,195,020 km

• M1: 110,702 km (0.049 R)
• M2: 577,448 km (0.081 R)
• M3: 1,096,702 km (0.069 R)
• M4: 1,785,301 km (0.117 R)
• M5: 2,109,180 km (0.117 R)
• M6: 3,021,279 km (0.102 R)
• M7: 3,507,920 km (0.049 R)
• M8: 4,694,680 km (0.089 R)
• M9: 9,108,266 km (0.067 R)
• M10: 11,840,223 km (0.079 R)
• M11: 14,157,344 km (0.101 R)
• M12: 15,709,721 km (0.104 R)
• M13: 16,560,484 km (0.061 R)
• M14: 17,579,844 km (0.112 R)
• M15: 18,496,580 km (0.12 R)
• M16: 19,149,724 km (0.099 R)
• M17: 23,733,104 km (0.092 R)
• M18: 26,734,037 km (0.101 R)
• M19: 32,005,567 km (0.079 R)
• M20: 32,841,221 km (0.111 R)
• M21: 36,896,220 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.3

Radius: 5.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.57 AU - 8.81 AU

Year: 14221 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 94,195,020 km

• M1: 69,713 km (0.07 R)
• M2: 277,953 km (0.086 R)
• M3: 461,809 km (0.083 R)
• M4: 723,007 km (0.096 R)
• M5: 1,070,223 km (0.076 R)
• M6: 2,465,074 km (0.116 R)
• M7: 3,018,735 km (0.118 R)
• M8: 4,803,887 km (0.104 R)
• M9: 6,146,528 km (0.034 R)
• M10: 7,568,455 km (0.108 R)
• M11: 8,396,629 km (0.069 R)
• M12: 13,403,969 km (0.07 R)
• M13: 14,143,581 km (0.106 R)
• M14: 15,641,654 km (0.106 R)
• M15: 17,508,486 km (0.067 R)
• M16: 20,916,176 km (0.081 R)
• M17: 21,909,955 km (0.043 R)
• M18: 23,095,218 km (0.092 R)
• M19: 23,337,268 km (0.09 R)
• M20: 23,581,112 km (0.078 R)
• M21: 25,506,886 km (0.104 R)
• M22: 29,954,430 km (0.058 R)
• M23: 31,117,404 km (0.118 R)
• M24: 33,947,497 km (0.084 R)
• M25: 36,287,955 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.3

Radius: 6

Gravity: 25.56 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.98 AU - 12.68 AU

Year: 23767 Days

Day: 20.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 122.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 94,195,020 km

• M1: 83,176 km (0.043 R)
• M2: 431,889 km (0.1 R)
• M3: 632,799 km (0.111 R)
• M4: 1,545,196 km (0.103 R)
• M5: 1,806,394 km (0.059 R)
• M6: 2,031,988 km (0.094 R)
• M7: 3,246,274 km (0.116 R)
• M8: 4,285,530 km (0.062 R)
• M9: 4,539,547 km (0.104 R)
• M10: 5,614,857 km (0.047 R)
• M11: 6,801,766 km (0.084 R)
• M12: 7,248,914 km (0.053 R)
• M13: 7,662,702 km (0.106 R)
• M14: 8,481,002 km (0.07 R)
• M15: 9,477,025 km (0.107 R)
• M16: 10,161,735 km (0.027 R)
• M17: 11,147,734 km (0.054 R)
• M18: 13,005,590 km (0.096 R)
• M19: 14,326,240 km (0.07 R)
• M20: 18,917,698 km (0.1 R)
• M21: 19,111,577 km (0.091 R)
• M22: 19,306,802 km (0.066 R)
• M23: 19,900,556 km (0.067 R)
• M24: 25,803,389 km (0.098 R)
• M25: 28,892,585 km (0.045 R)
• M26: 30,993,986 km (0.06 R)
• M27: 31,399,097 km (0.113 R)
• M28: 37,446,591 km (0.092 R)
• M29: 42,709,743 km (0.105 R)
• M30: 43,379,343 km (0.069 R)
• M31: 44,568,048 km (0.115 R)
• M32: 47,724,114 km (0.094 R)
• M33: 49,540,382 km (0.117 R)
• M34: 74,084,306 km (0.04 R)
• M35: 91,954,221 km (0.114 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 15,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit