🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.9

Radius: 11.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.81 AU - 0.81 AU

Year: 503 Days

Day: 13.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,000,024 km

• M1: 139,874 km (0.039 R)
• M2: 517,309 km (0.09 R)
• M3: 898,634 km (0.054 R)
• M4: 1,293,274 km (0.068 R)
• M5: 1,665,323 km (0.084 R)
• M6: 2,229,158 km (0.114 R)
• M7: 2,582,209 km (0.093 R)
• M8: 3,048,057 km (0.088 R)
• M9: 3,506,574 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.71 AU - 0.93 AU

Year: 513 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,000,024 km

• M1: 99,632 km (0.075 R)
• M2: 386,860 km (0.053 R)
• M3: 662,569 km (0.062 R)
• M4: 1,084,435 km (0.091 R)
• M5: 1,363,585 km (0.11 R)
• M6: 1,976,487 km (0.057 R)
• M7: 2,243,070 km (0.12 R)
• M8: 2,664,787 km (0.05 R)
• M9: 4,253,367 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 12

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.11 AU - 1.39 AU

Year: 965 Days

Day: 8 Hours

Environment

Temp: -175 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,000,024 km

• M1: 149,299 km (0.113 R)
• M2: 540,647 km (0.086 R)
• M3: 942,915 km (0.104 R)
• M4: 1,322,595 km (0.109 R)
• M5: 2,097,961 km (0.108 R)
• M6: 2,571,438 km (0.115 R)
• M7: 3,751,615 km (0.114 R)
• M8: 4,884,670 km (0.044 R)
• M9: 6,081,752 km (0.117 R)
• M10: 6,749,407 km (0.103 R)
• M11: 7,342,563 km (0.066 R)
• M12: 8,152,486 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.6

Radius: 9.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.98 AU - 2.82 AU

Year: 2566 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,000,024 km

• M1: 118,631 km (0.073 R)
• M2: 1,350,570 km (0.044 R)
• M3: 2,206,569 km (0.06 R)
• M4: 2,652,969 km (0.084 R)
• M5: 2,983,430 km (0.053 R)
• M6: 3,514,952 km (0.109 R)
• M7: 3,984,539 km (0.114 R)
• M8: 4,668,800 km (0.096 R)
• M9: 5,988,552 km (0.059 R)
• M10: 7,221,987 km (0.114 R)
• M11: 7,759,941 km (0.118 R)
• M12: 8,266,928 km (0.076 R)
• M13: 9,037,806 km (0.063 R)
• M14: 9,567,382 km (0.049 R)
• M15: 10,552,185 km (0.113 R)
• M16: 10,929,770 km (0.086 R)
• M17: 11,316,331 km (0.066 R)
• M18: 11,821,523 km (0.098 R)
• M19: 12,191,478 km (0.102 R)
• M20: 12,993,622 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 10.1

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.05 AU - 2.81 AU

Year: 2615 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,000,024 km

• M1: 125,961 km (0.037 R)
• M2: 506,838 km (0.047 R)
• M3: 972,985 km (0.114 R)
• M4: 1,310,777 km (0.06 R)
• M5: 2,138,651 km (0.12 R)
• M6: 2,803,314 km (0.087 R)
• M7: 5,380,886 km (0.098 R)
• M8: 5,824,294 km (0.108 R)
• M9: 6,207,863 km (0.104 R)
• M10: 7,588,053 km (0.051 R)
• M11: 11,193,361 km (0.104 R)
• M12: 11,573,041 km (0.098 R)
• M13: 12,313,700 km (0.049 R)
• M14: 12,718,362 km (0.115 R)
• M15: 13,986,204 km (0.036 R)
• M16: 14,476,436 km (0.083 R)
• M17: 15,543,368 km (0.102 R)
• M18: 16,553,304 km (0.072 R)
• M19: 17,046,528 km (0.105 R)
• M20: 17,380,879 km (0.061 R)
• M21: 18,821,357 km (0.08 R)
• M22: 19,784,019 km (0.109 R)
• M23: 20,277,543 km (0.102 R)
• M24: 21,482,553 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.3

Radius: 12.8

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.12 AU - 4.38 AU

Year: 5013 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 85.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,000,024 km

• M1: 160,967 km (0.103 R)
• M2: 752,328 km (0.119 R)
• M3: 1,303,596 km (0.099 R)
• M4: 1,913,357 km (0.116 R)
• M5: 2,740,483 km (0.11 R)
• M6: 3,292,051 km (0.113 R)
• M7: 4,214,621 km (0.041 R)
• M8: 5,226,202 km (0.06 R)
• M9: 6,135,757 km (0.046 R)
• M10: 7,210,917 km (0.109 R)
• M11: 8,199,609 km (0.068 R)
• M12: 8,655,284 km (0.042 R)
• M13: 10,324,796 km (0.073 R)
• M14: 11,321,268 km (0.109 R)
• M15: 13,028,927 km (0.109 R)
• M16: 14,092,718 km (0.084 R)
• M17: 14,544,354 km (0.115 R)
• M18: 14,953,953 km (0.113 R)
• M19: 16,949,140 km (0.071 R)
• M20: 17,864,828 km (0.081 R)
• M21: 20,810,111 km (0.04 R)
• M22: 21,462,208 km (0.082 R)
• M23: 22,262,706 km (0.117 R)
• M24: 23,360,904 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.8

Radius: 5.6

Gravity: 27.58 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.02 AU - 8.04 AU

Year: 15707 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,000,024 km

• M1: 71,059 km (0.115 R)
• M2: 604,226 km (0.085 R)
• M3: 876,793 km (0.03 R)
• M4: 1,110,764 km (0.064 R)
• M5: 1,313,021 km (0.102 R)
• M6: 1,637,947 km (0.118 R)
• M7: 1,883,288 km (0.086 R)
• M8: 2,514,740 km (0.105 R)
• M9: 2,698,746 km (0.08 R)
• M10: 3,611,891 km (0.097 R)
• M11: 4,122,917 km (0.112 R)
• M12: 4,612,701 km (0.102 R)
• M13: 4,889,307 km (0.102 R)
• M14: 5,287,686 km (0.108 R)
• M15: 5,552,325 km (0.117 R)
• M16: 8,810,866 km (0.032 R)
• M17: 9,183,215 km (0.075 R)
• M18: 10,016,325 km (0.102 R)
• M19: 10,898,654 km (0.113 R)
• M20: 11,452,315 km (0.073 R)
• M21: 17,224,549 km (0.086 R)
• M22: 22,744,112 km (0.109 R)
• M23: 23,142,491 km (0.084 R)
• M24: 30,888,669 km (0.109 R)
• M25: 33,897,531 km (0.066 R)
• M26: 42,713,184 km (0.094 R)
• M27: 43,319,504 km (0.115 R)
• M28: 45,329,651 km (0.117 R)
• M29: 47,078,300 km (0.108 R)
• M30: 52,767,208 km (0.091 R)
• M31: 54,701,359 km (0.106 R)
• M32: 60,977,887 km (0.067 R)
• M33: 62,133,082 km (0.053 R)
• M34: 63,696,081 km (0.088 R)
• M35: 65,485,421 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 12,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit