🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.3

Radius: 11.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.68 AU - 0.72 AU

Year: 397 Days

Day: 7.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,980,571 km

• M1: 138,079 km (0.055 R)
• M2: 575,503 km (0.099 R)
• M3: 965,056 km (0.071 R)
• M4: 1,343,389 km (0.115 R)
• M5: 1,784,852 km (0.088 R)
• M6: 2,198,191 km (0.09 R)
• M7: 2,808,102 km (0.106 R)
• M8: 3,232,960 km (0.116 R)
• M9: 3,625,804 km (0.083 R)
• M10: 4,131,295 km (0.096 R)
• M11: 4,595,497 km (0.08 R)
• M12: 4,985,499 km (0.105 R)
• M13: 5,463,015 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.1

Radius: 9

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.76 AU - 1.22 AU

Year: 668 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,980,571 km

• M1: 111,899 km (0.101 R)
• M2: 422,016 km (0.025 R)
• M3: 747,391 km (0.098 R)
• M4: 1,136,345 km (0.087 R)
• M5: 1,562,849 km (0.117 R)
• M6: 1,980,377 km (0.093 R)
• M7: 2,954,857 km (0.048 R)
• M8: 3,514,054 km (0.09 R)
• M9: 4,065,621 km (0.063 R)
• M10: 4,410,594 km (0.074 R)
• M11: 5,452,094 km (0.111 R)
• M12: 6,543,560 km (0.111 R)
• M13: 7,287,511 km (0.104 R)
• M14: 7,798,238 km (0.084 R)
• M15: 8,507,631 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838

Radius: 8.3

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.54 AU - 2.16 AU

Year: 1707 Days

Day: 6.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,980,571 km

• M1: 103,223 km (0.093 R)
• M2: 372,349 km (0.102 R)
• M3: 687,103 km (0.096 R)
• M4: 1,025,643 km (0.105 R)
• M5: 1,340,397 km (0.112 R)
• M6: 1,709,455 km (0.111 R)
• M7: 2,157,500 km (0.069 R)
• M8: 2,855,075 km (0.098 R)
• M9: 3,487,874 km (0.115 R)
• M10: 3,892,237 km (0.067 R)
• M11: 4,732,229 km (0.1 R)
• M12: 5,073,911 km (0.04 R)
• M13: 5,547,388 km (0.111 R)
• M14: 7,229,168 km (0.112 R)
• M15: 11,149,978 km (0.052 R)
• M16: 12,545,427 km (0.111 R)
• M17: 12,911,792 km (0.103 R)
• M18: 13,837,354 km (0.109 R)
• M19: 14,537,771 km (0.056 R)
• M20: 15,400,054 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.5

Radius: 12

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.96 AU - 2 AU

Year: 1890 Days

Day: 8.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,980,571 km

• M1: 149,299 km (0.099 R)
• M2: 563,086 km (0.113 R)
• M3: 955,930 km (0.047 R)
• M4: 2,022,114 km (0.11 R)
• M5: 2,464,326 km (0.065 R)
• M6: 3,193,167 km (0.106 R)
• M7: 3,617,725 km (0.03 R)
• M8: 4,355,991 km (0.051 R)
• M9: 5,565,041 km (0.052 R)
• M10: 6,523,215 km (0.083 R)
• M11: 8,508,080 km (0.091 R)
• M12: 9,228,842 km (0.099 R)
• M13: 11,247,815 km (0.106 R)
• M14: 13,029,077 km (0.097 R)
• M15: 13,898,091 km (0.052 R)
• M16: 14,301,556 km (0.064 R)
• M17: 15,800,078 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.5

Radius: 10.2

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.95 AU - 2.17 AU

Year: 2005 Days

Day: 13.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,980,571 km

• M1: 126,859 km (0.075 R)
• M2: 450,439 km (0.077 R)
• M3: 1,074,711 km (0.115 R)
• M4: 1,739,075 km (0.069 R)
• M5: 2,151,816 km (0.079 R)
• M6: 2,490,206 km (0.088 R)
• M7: 3,049,403 km (0.109 R)
• M8: 3,690,579 km (0.102 R)
• M9: 4,480,606 km (0.116 R)
• M10: 5,149,757 km (0.045 R)
• M11: 6,473,399 km (0.086 R)
• M12: 7,769,066 km (0.085 R)
• M13: 8,542,038 km (0.084 R)
• M14: 11,055,582 km (0.099 R)
• M15: 12,235,311 km (0.041 R)
• M16: 13,671,749 km (0.106 R)
• M17: 14,204,617 km (0.082 R)
• M18: 15,359,213 km (0.113 R)
• M19: 16,926,999 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.6

Radius: 13.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.95 AU - 2.97 AU

Year: 3454 Days

Day: 5.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,980,571 km

• M1: 165,455 km (0.109 R)
• M2: 591,809 km (0.081 R)
• M3: 1,038,658 km (0.091 R)
• M4: 1,620,893 km (0.107 R)
• M5: 2,258,778 km (0.119 R)
• M6: 2,956,802 km (0.104 R)
• M7: 3,537,690 km (0.044 R)
• M8: 4,460,410 km (0.104 R)
• M9: 5,860,197 km (0.119 R)
• M10: 6,934,460 km (0.073 R)
• M11: 7,765,027 km (0.077 R)
• M12: 8,239,252 km (0.047 R)
• M13: 9,023,444 km (0.117 R)
• M14: 10,132,713 km (0.079 R)
• M15: 11,160,300 km (0.12 R)
• M16: 13,278,606 km (0.113 R)
• M17: 14,866,438 km (0.117 R)
• M18: 16,083,566 km (0.085 R)
• M19: 17,251,926 km (0.048 R)
• M20: 17,769,684 km (0.106 R)
• M21: 19,945,136 km (0.049 R)
• M22: 21,293,312 km (0.114 R)
• M23: 22,157,838 km (0.1 R)
• M24: 23,323,505 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.2

Radius: 9.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.32 AU - 3.84 AU

Year: 4594 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,980,571 km

• M1: 127,308 km (0.082 R)
• M2: 660,774 km (0.117 R)
• M3: 3,328,253 km (0.1 R)
• M4: 5,252,531 km (0.103 R)
• M5: 7,189,524 km (0.086 R)
• M6: 8,552,061 km (0.115 R)
• M7: 9,471,789 km (0.079 R)
• M8: 10,266,603 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.3

Radius: 14.4

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.42 AU - 4.88 AU

Year: 5734 Days

Day: 12 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,980,571 km

• M1: 182,210 km (0.055 R)
• M2: 751,879 km (0.057 R)
• M3: 1,679,386 km (0.083 R)
• M4: 2,344,199 km (0.104 R)
• M5: 2,901,002 km (0.072 R)
• M6: 3,915,575 km (0.103 R)
• M7: 4,816,154 km (0.083 R)
• M8: 5,819,357 km (0.111 R)
• M9: 6,574,078 km (0.025 R)
• M10: 7,393,276 km (0.079 R)
• M11: 9,107,070 km (0.097 R)
• M12: 12,924,807 km (0.028 R)
• M13: 13,474,131 km (0.094 R)
• M14: 13,924,719 km (0.093 R)
• M15: 15,581,965 km (0.043 R)
• M16: 16,078,779 km (0.078 R)
• M17: 19,214,799 km (0.025 R)
• M18: 19,858,818 km (0.069 R)
• M19: 20,591,249 km (0.105 R)
• M20: 22,344,387 km (0.095 R)
• M21: 27,653,914 km (0.096 R)
• M22: 28,752,711 km (0.07 R)
• M23: 34,373,552 km (0.049 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 11.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.02 AU - 4.28 AU

Year: 5734 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,980,571 km

• M1: 139,276 km (0.069 R)
• M2: 530,474 km (0.089 R)
• M3: 909,405 km (0.105 R)
• M4: 1,512,883 km (0.053 R)
• M5: 2,008,651 km (0.089 R)
• M6: 2,540,770 km (0.117 R)
• M7: 3,395,124 km (0.089 R)
• M8: 4,509,329 km (0.117 R)
• M9: 7,819,032 km (0.109 R)
• M10: 8,973,179 km (0.075 R)
• M11: 9,353,457 km (0.089 R)
• M12: 10,653,014 km (0.116 R)
• M13: 12,902,667 km (0.111 R)
• M14: 13,773,775 km (0.096 R)
• M15: 15,392,125 km (0.119 R)
• M16: 16,434,523 km (0.098 R)
• M17: 20,564,471 km (0.117 R)
• M18: 21,526,386 km (0.093 R)
• M19: 25,255,412 km (0.034 R)
• M20: 27,492,947 km (0.076 R)
• M21: 30,330,071 km (0.064 R)
• M22: 33,457,564 km (0.065 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.2

Radius: 13.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.27 AU - 5.81 AU

Year: 8844 Days

Day: 13 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,980,571 km

• M1: 171,888 km (0.1 R)
• M2: 863,928 km (0.093 R)
• M3: 1,649,915 km (0.11 R)
• M4: 2,413,612 km (0.078 R)
• M5: 5,999,922 km (0.069 R)
• M6: 6,735,345 km (0.085 R)
• M7: 11,394,870 km (0.071 R)
• M8: 12,719,559 km (0.092 R)
• M9: 17,069,566 km (0.03 R)
• M10: 18,045,393 km (0.109 R)
• M11: 21,196,821 km (0.096 R)
• M12: 25,788,279 km (0.052 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: 421 - 11,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit