🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.48 AU - 0.68 AU

Year: 290 Days

Day: 40.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591

Radius: 11.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.25 AU - 1.89 AU

Year: 1291 Days

Day: 12.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,830,640 km

• M1: 140,622 km (0.116 R)
• M2: 510,727 km (0.038 R)
• M3: 1,253,780 km (0.029 R)
• M4: 1,631,963 km (0.081 R)
• M5: 2,151,517 km (0.08 R)
• M6: 2,505,016 km (0.038 R)
• M7: 2,871,082 km (0.029 R)
• M8: 3,510,912 km (0.085 R)
• M9: 4,939,273 km (0.116 R)
• M10: 5,314,913 km (0.06 R)
• M11: 5,903,282 km (0.109 R)
• M12: 7,826,512 km (0.083 R)
• M13: 8,283,832 km (0.101 R)
• M14: 8,702,108 km (0.118 R)
• M15: 10,136,303 km (0.096 R)
• M16: 10,778,227 km (0.066 R)
• M17: 11,515,446 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.5

Radius: 14.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.63 AU - 2.11 AU

Year: 1678 Days

Day: 5.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,830,640 km

• M1: 185,352 km (0.102 R)
• M2: 668,852 km (0.082 R)
• M3: 1,294,022 km (0.065 R)
• M4: 2,025,854 km (0.069 R)
• M5: 3,193,167 km (0.027 R)
• M6: 4,019,396 km (0.12 R)
• M7: 4,621,826 km (0.077 R)
• M8: 5,122,979 km (0.092 R)
• M9: 5,877,102 km (0.089 R)
• M10: 7,608,099 km (0.107 R)
• M11: 8,171,933 km (0.103 R)
• M12: 11,046,756 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.9

Radius: 10.8

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.42 AU - 3.66 AU

Year: 3477 Days

Day: 6.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,830,640 km

• M1: 148,700 km (0.042 R)
• M2: 527,482 km (0.096 R)
• M3: 873,951 km (0.112 R)
• M4: 1,237,025 km (0.091 R)
• M5: 2,445,626 km (0.073 R)
• M6: 4,543,886 km (0.047 R)
• M7: 5,247,893 km (0.102 R)
• M8: 7,867,651 km (0.039 R)
• M9: 8,594,398 km (0.075 R)
• M10: 10,062,102 km (0.096 R)
• M11: 11,086,997 km (0.099 R)
• M12: 11,646,643 km (0.094 R)
• M13: 12,683,057 km (0.114 R)
• M14: 13,152,495 km (0.116 R)
• M15: 15,094,724 km (0.116 R)
• M16: 17,738,867 km (0.094 R)
• M17: 18,866,087 km (0.06 R)
• M18: 22,262,258 km (0.116 R)
• M19: 22,602,293 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 13.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.93 AU - 4.67 AU

Year: 5849 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,830,640 km

• M1: 169,494 km (0.072 R)
• M2: 627,114 km (0.082 R)
• M3: 1,094,308 km (0.1 R)
• M4: 1,634,806 km (0.076 R)
• M5: 3,092,038 km (0.054 R)
• M6: 4,222,699 km (0.093 R)
• M7: 5,434,741 km (0.058 R)
• M8: 5,948,909 km (0.108 R)
• M9: 7,005,668 km (0.093 R)
• M10: 7,505,774 km (0.112 R)
• M11: 8,300,737 km (0.068 R)
• M12: 8,820,590 km (0.096 R)
• M13: 9,970,100 km (0.112 R)
• M14: 10,790,345 km (0.12 R)
• M15: 13,468,446 km (0.074 R)
• M16: 14,131,464 km (0.108 R)
• M17: 15,463,334 km (0.083 R)
• M18: 15,884,751 km (0.115 R)
• M19: 16,375,881 km (0.086 R)
• M20: 19,260,875 km (0.107 R)
• M21: 20,533,355 km (0.06 R)
• M22: 21,486,593 km (0.041 R)
• M23: 22,700,280 km (0.104 R)
• M24: 24,442,946 km (0.105 R)
• M25: 25,430,292 km (0.043 R)
• M26: 26,960,827 km (0.091 R)
• M27: 27,926,033 km (0.119 R)
• M28: 29,462,852 km (0.096 R)
• M29: 30,018,458 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.4

Radius: 14.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.79 AU - 5.91 AU

Year: 7007 Days

Day: 14 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,830,640 km

• M1: 182,809 km (0.098 R)
• M2: 711,787 km (0.053 R)
• M3: 1,326,036 km (0.084 R)
• M4: 2,605,995 km (0.093 R)
• M5: 3,436,413 km (0.112 R)
• M6: 5,157,686 km (0.116 R)
• M7: 6,066,642 km (0.077 R)
• M8: 6,955,104 km (0.107 R)
• M9: 7,693,968 km (0.108 R)
• M10: 8,520,197 km (0.091 R)
• M11: 9,558,107 km (0.098 R)
• M12: 13,422,220 km (0.113 R)
• M13: 14,263,858 km (0.112 R)
• M14: 17,518,359 km (0.03 R)
• M15: 18,284,001 km (0.095 R)
• M16: 19,693,064 km (0.094 R)
• M17: 21,638,434 km (0.089 R)
• M18: 22,934,999 km (0.119 R)
• M19: 23,566,901 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.8

Radius: 8.3

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.76 AU - 6.22 AU

Year: 7312 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,830,640 km

• M1: 103,223 km (0.119 R)
• M2: 408,701 km (0.084 R)
• M3: 752,477 km (0.11 R)
• M4: 1,198,728 km (0.065 R)
• M5: 1,574,518 km (0.073 R)
• M6: 1,887,776 km (0.049 R)
• M7: 3,023,971 km (0.077 R)
• M8: 3,751,316 km (0.067 R)
• M9: 4,423,908 km (0.104 R)
• M10: 4,789,376 km (0.063 R)
• M11: 5,453,441 km (0.119 R)
• M12: 6,246,609 km (0.11 R)
• M13: 10,639,401 km (0.108 R)
• M14: 12,088,406 km (0.093 R)
• M15: 12,415,277 km (0.074 R)
• M16: 16,543,879 km (0.086 R)
• M17: 18,697,789 km (0.082 R)
• M18: 19,282,717 km (0.105 R)
• M19: 26,819,757 km (0.072 R)
• M20: 27,657,505 km (0.091 R)
• M21: 32,422,646 km (0.055 R)
• M22: 34,125,069 km (0.117 R)
• M23: 40,431,966 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.7

Radius: 6.6

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.3 AU - 6.86 AU

Year: 9835 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,830,640 km

• M1: 82,129 km (0.105 R)
• M2: 401,221 km (0.107 R)
• M3: 623,823 km (0.085 R)
• M4: 1,100,292 km (0.045 R)
• M5: 1,313,769 km (0.078 R)
• M6: 2,095,567 km (0.111 R)
• M7: 2,301,264 km (0.101 R)
• M8: 2,896,664 km (0.114 R)
• M9: 3,109,392 km (0.058 R)
• M10: 4,361,376 km (0.051 R)
• M11: 5,620,093 km (0.066 R)
• M12: 6,123,190 km (0.116 R)
• M13: 8,269,920 km (0.095 R)
• M14: 13,151,298 km (0.073 R)
• M15: 13,916,492 km (0.119 R)
• M16: 16,726,688 km (0.08 R)
• M17: 19,141,646 km (0.081 R)
• M18: 20,432,077 km (0.114 R)
• M19: 25,181,810 km (0.061 R)
• M20: 37,249,870 km (0.112 R)
• M21: 40,101,654 km (0.066 R)
• M22: 40,713,509 km (0.077 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: 205 - 17,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit