🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.6

Radius: 14.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.26 AU - 1.3 AU

Year: 935 Days

Day: 11.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,430,929 km

• M1: 180,714 km (0.086 R)
• M2: 636,988 km (0.097 R)
• M3: 1,184,815 km (0.039 R)
• M4: 1,636,900 km (0.107 R)
• M5: 2,207,167 km (0.078 R)
• M6: 2,663,590 km (0.085 R)
• M7: 3,421,453 km (0.101 R)
• M8: 4,747,488 km (0.076 R)
• M9: 5,240,713 km (0.056 R)
• M10: 5,729,150 km (0.117 R)
• M11: 6,186,770 km (0.109 R)
• M12: 7,803,923 km (0.1 R)
• M13: 8,698,518 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 8.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.37 AU - 1.37 AU

Year: 1035 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,430,929 km

• M1: 106,962 km (0.055 R)
• M2: 445,951 km (0.118 R)
• M3: 721,810 km (0.084 R)
• M4: 1,025,493 km (0.118 R)
• M5: 1,337,854 km (0.062 R)
• M6: 2,003,115 km (0.09 R)
• M7: 3,062,418 km (0.103 R)
• M8: 3,467,080 km (0.049 R)
• M9: 3,840,177 km (0.076 R)
• M10: 4,369,455 km (0.082 R)
• M11: 5,729,299 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.7

Radius: 14.5

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.5 AU - 1.7 AU

Year: 1307 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,430,929 km

• M1: 181,761 km (0.09 R)
• M2: 683,213 km (0.061 R)
• M3: 1,134,251 km (0.118 R)
• M4: 1,767,349 km (0.092 R)
• M5: 2,889,184 km (0.093 R)
• M6: 3,953,872 km (0.075 R)
• M7: 4,635,739 km (0.045 R)
• M8: 5,861,993 km (0.09 R)
• M9: 6,726,219 km (0.095 R)
• M10: 7,348,397 km (0.119 R)
• M11: 7,812,150 km (0.033 R)
• M12: 8,266,479 km (0.111 R)
• M13: 10,163,979 km (0.087 R)
• M14: 11,126,192 km (0.07 R)
• M15: 11,702,892 km (0.093 R)
• M16: 13,634,500 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.6

Radius: 10.3

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.7 AU - 1.84 AU

Year: 1520 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,430,929 km

• M1: 128,355 km (0.066 R)
• M2: 523,293 km (0.064 R)
• M3: 843,732 km (0.065 R)
• M4: 1,466,508 km (0.111 R)
• M5: 1,870,572 km (0.093 R)
• M6: 2,707,123 km (0.092 R)
• M7: 3,148,437 km (0.091 R)
• M8: 3,654,526 km (0.069 R)
• M9: 4,082,975 km (0.103 R)
• M10: 4,524,887 km (0.084 R)
• M11: 5,062,691 km (0.1 R)
• M12: 5,482,164 km (0.085 R)
• M13: 6,366,287 km (0.031 R)
• M14: 7,566,361 km (0.075 R)
• M15: 8,027,571 km (0.113 R)
• M16: 9,491,536 km (0.048 R)
• M17: 11,162,844 km (0.118 R)
• M18: 13,517,514 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 13.1

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.4 AU - 2.22 AU

Year: 1572 Days

Day: 14.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,430,929 km

• M1: 206,295 km (0.111 R)
• M2: 769,681 km (0.058 R)
• M3: 1,360,293 km (0.109 R)
• M4: 2,286,155 km (0.087 R)
• M5: 3,317,333 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.9

Radius: 8

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.73 AU - 2.33 AU

Year: 1867 Days

Day: 8 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,430,929 km

• M1: 99,483 km (0.095 R)
• M2: 358,287 km (0.111 R)
• M3: 718,219 km (0.089 R)
• M4: 990,039 km (0.115 R)
• M5: 1,314,516 km (0.086 R)
• M6: 1,879,847 km (0.101 R)
• M7: 2,710,115 km (0.078 R)
• M8: 3,891,190 km (0.095 R)
• M9: 4,171,387 km (0.075 R)
• M10: 4,484,944 km (0.062 R)
• M11: 5,685,018 km (0.08 R)
• M12: 6,977,095 km (0.106 R)
• M13: 7,823,071 km (0.064 R)
• M14: 8,609,956 km (0.093 R)
• M15: 9,087,323 km (0.097 R)
• M16: 10,199,882 km (0.108 R)
• M17: 11,325,157 km (0.052 R)
• M18: 12,370,846 km (0.111 R)
• M19: 13,353,256 km (0.074 R)
• M20: 14,167,068 km (0.095 R)
• M21: 14,430,809 km (0.078 R)
• M22: 15,287,855 km (0.043 R)

Asteroid Belt

Center: 2.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.8

Radius: 11.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.03 AU - 4.73 AU

Year: 4935 Days

Day: 8.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,430,929 km

• M1: 138,079 km (0.106 R)
• M2: 567,724 km (0.085 R)
• M3: 955,033 km (0.112 R)
• M4: 1,329,476 km (0.09 R)
• M5: 2,018,225 km (0.045 R)
• M6: 2,877,365 km (0.093 R)
• M7: 3,451,821 km (0.074 R)
• M8: 4,627,960 km (0.047 R)
• M9: 6,610,132 km (0.073 R)
• M10: 8,004,832 km (0.088 R)
• M11: 8,523,488 km (0.067 R)
• M12: 9,383,526 km (0.083 R)
• M13: 10,648,376 km (0.102 R)
• M14: 11,833,640 km (0.07 R)
• M15: 12,458,361 km (0.091 R)
• M16: 15,235,496 km (0.059 R)
• M17: 16,149,090 km (0.101 R)
• M18: 18,914,556 km (0.095 R)
• M19: 20,307,313 km (0.081 R)
• M20: 21,554,510 km (0.067 R)
• M21: 23,821,217 km (0.095 R)
• M22: 25,523,342 km (0.113 R)
• M23: 26,081,641 km (0.039 R)
• M24: 27,973,156 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220

Radius: 7.7

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 10.71 AU - 11.41 AU

Year: 23749 Days

Day: 22.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,430,929 km

• M1: 95,743 km (0.04 R)
• M2: 598,391 km (0.095 R)
• M3: 964,158 km (0.049 R)
• M4: 1,750,893 km (0.028 R)
• M5: 2,043,357 km (0.103 R)
• M6: 2,705,627 km (0.077 R)
• M7: 4,356,290 km (0.103 R)
• M8: 5,271,081 km (0.113 R)
• M9: 5,626,974 km (0.074 R)
• M10: 6,037,022 km (0.047 R)
• M11: 7,564,117 km (0.09 R)
• M12: 8,440,910 km (0.106 R)
• M13: 10,340,354 km (0.108 R)
• M14: 11,127,987 km (0.116 R)
• M15: 12,321,928 km (0.098 R)
• M16: 16,042,277 km (0.083 R)
• M17: 16,413,579 km (0.108 R)
• M18: 18,276,821 km (0.1 R)
• M19: 20,711,077 km (0.068 R)
• M20: 25,602,479 km (0.084 R)
• M21: 26,727,754 km (0.119 R)
• M22: 30,526,941 km (0.076 R)
• M23: 30,982,766 km (0.104 R)
• M24: 33,330,705 km (0.12 R)
• M25: 39,175,793 km (0.102 R)
• M26: 40,668,181 km (0.111 R)
• M27: 42,480,559 km (0.106 R)
• M28: 44,345,895 km (0.094 R)
• M29: 46,715,974 km (0.073 R)
• M30: 49,795,596 km (0.105 R)
• M31: 55,000,405 km (0.04 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 17,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit