🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.56 AU - 0.66 AU

Year: 308 Days

Day: 32.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.3

Radius: 8.9

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.99 AU - 1.35 AU

Year: 817 Days

Day: 5.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,619,151 km

• M1: 110,702 km (0.117 R)
• M2: 411,843 km (0.086 R)
• M3: 744,249 km (0.114 R)
• M4: 1,155,195 km (0.109 R)
• M5: 1,436,888 km (0.113 R)
• M6: 2,203,277 km (0.078 R)
• M7: 3,600,671 km (0.096 R)
• M8: 4,470,732 km (0.097 R)
• M9: 4,964,256 km (0.074 R)
• M10: 7,173,068 km (0.05 R)
• M11: 7,541,378 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 9.8

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.09 AU - 1.53 AU

Year: 968 Days

Day: 8.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 161.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,619,151 km

• M1: 121,922 km (0.117 R)
• M2: 637,885 km (0.04 R)
• M3: 1,146,219 km (0.1 R)
• M4: 1,647,372 km (0.105 R)
• M5: 2,246,511 km (0.045 R)
• M6: 3,661,707 km (0.026 R)
• M7: 4,300,939 km (0.065 R)
• M8: 6,203,824 km (0.102 R)
• M9: 7,450,722 km (0.105 R)
• M10: 7,952,473 km (0.089 R)
• M11: 8,264,385 km (0.054 R)
• M12: 8,912,592 km (0.034 R)
• M13: 9,478,371 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 11.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.15 AU - 1.67 AU

Year: 1081 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,619,151 km

• M1: 140,622 km (0.104 R)
• M2: 714,629 km (0.094 R)
• M3: 1,288,486 km (0.081 R)
• M4: 1,876,705 km (0.084 R)
• M5: 2,234,244 km (0.111 R)
• M6: 2,615,270 km (0.117 R)
• M7: 3,102,510 km (0.07 R)
• M8: 3,456,160 km (0.07 R)
• M9: 4,136,680 km (0.115 R)
• M10: 4,501,101 km (0.071 R)
• M11: 5,573,717 km (0.105 R)
• M12: 5,960,278 km (0.115 R)
• M13: 6,918,004 km (0.083 R)
• M14: 7,642,806 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.7

Radius: 15

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.16 AU - 1.72 AU

Year: 1116 Days

Day: 7.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,619,151 km

• M1: 186,549 km (0.104 R)
• M2: 684,560 km (0.113 R)
• M3: 1,288,636 km (0.091 R)
• M4: 1,979,329 km (0.094 R)
• M5: 2,583,555 km (0.096 R)
• M6: 3,501,189 km (0.034 R)
• M7: 3,971,075 km (0.106 R)
• M8: 4,483,448 km (0.109 R)
• M9: 5,098,146 km (0.103 R)
• M10: 6,315,873 km (0.107 R)
• M11: 6,897,359 km (0.117 R)
• M12: 7,565,613 km (0.114 R)
• M13: 11,475,054 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 8.8

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.41 AU - 1.89 AU

Year: 1368 Days

Day: 10 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,619,151 km

• M1: 109,655 km (0.076 R)
• M2: 593,455 km (0.116 R)
• M3: 886,218 km (0.119 R)
• M4: 1,242,710 km (0.114 R)
• M5: 2,328,341 km (0.047 R)
• M6: 3,362,212 km (0.071 R)
• M7: 3,918,267 km (0.105 R)
• M8: 5,080,044 km (0.113 R)
• M9: 5,428,009 km (0.117 R)
• M10: 5,730,047 km (0.087 R)
• M11: 6,636,461 km (0.099 R)
• M12: 7,005,818 km (0.104 R)
• M13: 7,785,821 km (0.093 R)
• M14: 8,785,883 km (0.034 R)
• M15: 9,898,891 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.2

Radius: 8.3

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.84 AU - 2 AU

Year: 1718 Days

Day: 10.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,619,151 km

• M1: 103,223 km (0.086 R)
• M2: 597,195 km (0.096 R)
• M3: 958,025 km (0.057 R)
• M4: 1,427,164 km (0.106 R)
• M5: 2,287,351 km (0.09 R)
• M6: 2,740,184 km (0.078 R)
• M7: 3,039,829 km (0.039 R)
• M8: 3,409,036 km (0.115 R)
• M9: 3,688,485 km (0.041 R)
• M10: 4,182,308 km (0.116 R)
• M11: 4,620,330 km (0.053 R)
• M12: 5,237,421 km (0.082 R)
• M13: 5,588,378 km (0.114 R)
• M14: 6,192,155 km (0.089 R)
• M15: 6,559,867 km (0.082 R)
• M16: 8,178,516 km (0.116 R)
• M17: 8,895,089 km (0.105 R)
• M18: 9,881,687 km (0.052 R)
• M19: 10,729,159 km (0.113 R)
• M20: 11,587,402 km (0.092 R)
• M21: 12,260,443 km (0.1 R)
• M22: 12,801,838 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.5

Radius: 13.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.31 AU - 2.83 AU

Year: 2660 Days

Day: 12.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,619,151 km

• M1: 405,859 km (0.088 R)
• M2: 921,822 km (0.115 R)
• M3: 1,565,991 km (0.068 R)
• M4: 2,209,860 km (0.036 R)
• M5: 2,738,539 km (0.067 R)
• M6: 3,816,541 km (0.079 R)
• M7: 5,940,382 km (0.08 R)
• M8: 7,896,374 km (0.104 R)
• M9: 8,555,652 km (0.119 R)
• M10: 10,835,972 km (0.116 R)
• M11: 13,868,171 km (0.091 R)
• M12: 20,313,895 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 17,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit