🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.5

Radius: 11.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.55 AU - 0.75 AU

Year: 349 Days

Day: 13.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,358,967 km

• M1: 138,378 km (0.059 R)
• M2: 497,263 km (0.082 R)
• M3: 954,883 km (0.118 R)
• M4: 1,693,897 km (0.047 R)
• M5: 2,081,804 km (0.041 R)
• M6: 2,599,712 km (0.114 R)
• M7: 2,952,613 km (0.076 R)
• M8: 3,358,921 km (0.115 R)
• M9: 4,222,849 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 13.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.63 AU - 0.81 AU

Year: 407 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,358,967 km

• M1: 169,195 km (0.118 R)
• M2: 610,509 km (0.054 R)
• M3: 1,098,348 km (0.069 R)
• M4: 1,726,808 km (0.091 R)
• M5: 2,306,650 km (0.104 R)
• M6: 2,840,864 km (0.114 R)
• M7: 3,447,184 km (0.078 R)
• M8: 3,909,740 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.2

Radius: 13.8

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.89 AU - 2.25 AU

Year: 1986 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,358,967 km

• M1: 171,888 km (0.116 R)
• M2: 1,223,411 km (0.099 R)
• M3: 1,695,093 km (0.114 R)
• M4: 2,188,018 km (0.066 R)
• M5: 2,777,135 km (0.055 R)
• M6: 3,333,789 km (0.038 R)
• M7: 4,022,238 km (0.102 R)
• M8: 4,525,635 km (0.117 R)
• M9: 4,980,861 km (0.079 R)
• M10: 5,758,770 km (0.109 R)
• M11: 7,647,144 km (0.104 R)
• M12: 8,488,482 km (0.103 R)
• M13: 9,460,121 km (0.091 R)
• M14: 10,616,811 km (0.103 R)
• M15: 11,906,495 km (0.087 R)
• M16: 14,147,171 km (0.104 R)
• M17: 14,608,382 km (0.11 R)
• M18: 15,609,640 km (0.114 R)
• M19: 17,015,262 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 12.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.94 AU - 3 AU

Year: 2589 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,358,967 km

• M1: 160,369 km (0.114 R)
• M2: 621,280 km (0.093 R)
• M3: 1,155,045 km (0.098 R)
• M4: 1,566,290 km (0.113 R)
• M5: 2,016,878 km (0.053 R)
• M6: 2,597,318 km (0.081 R)
• M7: 3,253,754 km (0.086 R)
• M8: 3,658,715 km (0.102 R)
• M9: 4,528,627 km (0.117 R)
• M10: 5,435,040 km (0.075 R)
• M11: 6,622,847 km (0.106 R)
• M12: 8,619,979 km (0.044 R)
• M13: 10,305,498 km (0.079 R)
• M14: 10,720,931 km (0.115 R)
• M15: 13,632,854 km (0.06 R)
• M16: 14,134,156 km (0.051 R)
• M17: 14,789,844 km (0.069 R)
• M18: 15,514,945 km (0.096 R)
• M19: 16,011,311 km (0.098 R)
• M20: 18,488,053 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 8.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.58 AU - 5.16 AU

Year: 6092 Days

Day: 5.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,358,967 km

• M1: 115,639 km (0.06 R)
• M2: 444,306 km (0.108 R)
• M3: 978,370 km (0.112 R)
• M4: 1,279,211 km (0.12 R)
• M5: 1,687,015 km (0.11 R)
• M6: 2,048,144 km (0.101 R)
• M7: 2,564,556 km (0.054 R)
• M8: 3,837,185 km (0.099 R)
• M9: 4,185,898 km (0.098 R)
• M10: 4,899,929 km (0.026 R)
• M11: 5,361,139 km (0.043 R)
• M12: 5,957,586 km (0.118 R)
• M13: 6,258,277 km (0.11 R)
• M14: 6,772,146 km (0.094 R)
• M15: 7,438,006 km (0.096 R)
• M16: 8,724,847 km (0.094 R)
• M17: 10,039,064 km (0.066 R)
• M18: 11,606,551 km (0.081 R)
• M19: 13,751,784 km (0.083 R)
• M20: 14,326,838 km (0.099 R)
• M21: 14,669,717 km (0.065 R)
• M22: 16,896,930 km (0.111 R)
• M23: 20,062,421 km (0.11 R)
• M24: 20,491,767 km (0.087 R)
• M25: 20,927,246 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.7

Radius: 7.9

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.33 AU - 8.29 AU

Year: 14555 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,358,967 km

• M1: 100,231 km (0.087 R)
• M2: 420,968 km (0.074 R)
• M3: 1,258,866 km (0.12 R)
• M4: 2,272,840 km (0.111 R)
• M5: 4,197,417 km (0.096 R)
• M6: 4,913,542 km (0.08 R)
• M7: 6,018,173 km (0.115 R)
• M8: 8,164,902 km (0.05 R)
• M9: 9,924,921 km (0.114 R)
• M10: 12,366,658 km (0.097 R)
• M11: 15,036,082 km (0.049 R)
• M12: 16,081,322 km (0.093 R)
• M13: 17,576,403 km (0.112 R)
• M14: 25,409,647 km (0.108 R)
• M15: 29,216,763 km (0.062 R)
• M16: 30,253,925 km (0.098 R)
• M17: 31,434,701 km (0.113 R)
• M18: 33,637,380 km (0.087 R)
• M19: 42,887,316 km (0.067 R)
• M20: 45,133,678 km (0.099 R)
• M21: 58,270,315 km (0.114 R)
• M22: 59,544,141 km (0.078 R)
• M23: 60,280,312 km (0.119 R)
• M24: 63,285,734 km (0.071 R)

Asteroid Belt

Center: 8.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.6

Radius: 7.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.67 AU - 9.99 AU

Year: 17497 Days

Day: 17.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,358,967 km

• M1: 97,538 km (0.089 R)
• M2: 323,879 km (0.084 R)
• M3: 598,391 km (0.069 R)
• M4: 848,968 km (0.072 R)
• M5: 1,504,506 km (0.094 R)
• M6: 2,064,002 km (0.103 R)
• M7: 2,837,273 km (0.046 R)
• M8: 4,214,770 km (0.086 R)
• M9: 5,350,517 km (0.068 R)
• M10: 6,129,922 km (0.116 R)
• M11: 6,454,849 km (0.072 R)
• M12: 6,905,737 km (0.114 R)
• M13: 8,211,128 km (0.112 R)
• M14: 9,106,172 km (0.037 R)
• M15: 12,694,576 km (0.112 R)
• M16: 14,703,825 km (0.093 R)
• M17: 19,649,680 km (0.057 R)
• M18: 21,407,455 km (0.062 R)
• M19: 23,180,639 km (0.1 R)
• M20: 23,969,768 km (0.084 R)
• M21: 25,049,715 km (0.11 R)
• M22: 27,306,099 km (0.086 R)
• M23: 32,003,024 km (0.105 R)
• M24: 34,203,309 km (0.045 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: 285 - 13,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit