🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.51 AU - 0.77 AU

Year: 336 Days

Day: 12.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 128.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 11.6

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.66 AU - 0.92 AU

Year: 461 Days

Day: 15 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,688,548 km

• M1: 144,362 km (0.107 R)
• M2: 516,412 km (0.105 R)
• M3: 939,325 km (0.098 R)
• M4: 1,614,610 km (0.111 R)
• M5: 2,200,136 km (0.047 R)
• M6: 2,592,830 km (0.106 R)
• M7: 3,190,025 km (0.061 R)
• M8: 3,621,166 km (0.101 R)
• M9: 3,983,193 km (0.055 R)
• M10: 4,735,820 km (0.116 R)
• M11: 5,250,736 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.3

Radius: 10.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.79 AU - 1.23 AU

Year: 666 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,688,548 km

• M1: 128,205 km (0.102 R)
• M2: 807,978 km (0.103 R)
• M3: 1,654,104 km (0.09 R)
• M4: 3,714,665 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.7

Radius: 11.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.94 AU - 1.4 AU

Year: 830 Days

Day: 12.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,688,548 km

• M1: 144,212 km (0.087 R)
• M2: 597,793 km (0.112 R)
• M3: 960,867 km (0.088 R)
• M4: 1,367,025 km (0.091 R)
• M5: 1,731,595 km (0.111 R)
• M6: 2,135,809 km (0.108 R)
• M7: 2,532,393 km (0.082 R)
• M8: 3,365,503 km (0.111 R)
• M9: 4,328,914 km (0.098 R)
• M10: 5,622,786 km (0.067 R)
• M11: 6,199,785 km (0.026 R)
• M12: 6,638,406 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.5

Radius: 14.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.94 AU - 1.54 AU

Year: 906 Days

Day: 13.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,688,548 km

• M1: 182,809 km (0.037 R)
• M2: 646,562 km (0.081 R)
• M3: 1,194,689 km (0.078 R)
• M4: 1,652,009 km (0.097 R)
• M5: 2,129,526 km (0.1 R)
• M6: 3,198,552 km (0.058 R)
• M7: 3,802,927 km (0.049 R)
• M8: 5,040,999 km (0.026 R)
• M9: 5,645,375 km (0.083 R)
• M10: 6,447,070 km (0.096 R)
• M11: 7,657,167 km (0.083 R)
• M12: 8,176,720 km (0.034 R)
• M13: 9,204,458 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.7

Radius: 12.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.35 AU - 1.65 AU

Year: 1205 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,688,548 km

• M1: 150,645 km (0.103 R)
• M2: 544,387 km (0.116 R)
• M3: 962,214 km (0.108 R)
• M4: 1,437,935 km (0.083 R)
• M5: 1,963,921 km (0.096 R)
• M6: 2,565,454 km (0.102 R)
• M7: 2,994,650 km (0.075 R)
• M8: 3,409,485 km (0.098 R)
• M9: 3,812,502 km (0.113 R)
• M10: 4,338,189 km (0.085 R)
• M11: 6,118,852 km (0.106 R)
• M12: 7,729,722 km (0.106 R)
• M13: 8,145,006 km (0.078 R)
• M14: 8,722,005 km (0.11 R)
• M15: 9,607,026 km (0.113 R)
• M16: 10,959,241 km (0.063 R)
• M17: 12,284,977 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.5

Radius: 4.1

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.11 AU - 7.47 AU

Year: 10349 Days

Day: 23.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,688,548 km

• M1: 59,690 km (0.094 R)
• M2: 464,053 km (0.083 R)
• M3: 1,503,309 km (0.112 R)
• M4: 1,860,698 km (0.1 R)
• M5: 2,906,088 km (0.098 R)
• M6: 5,087,076 km (0.11 R)
• M7: 6,127,978 km (0.078 R)
• M8: 9,458,924 km (0.059 R)
• M9: 10,525,407 km (0.101 R)
• M10: 14,473,893 km (0.054 R)
• M11: 16,355,386 km (0.081 R)
• M12: 21,154,336 km (0.04 R)
• M13: 24,101,863 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.2

Radius: 5.1

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.18 AU - 10.84 AU

Year: 19239 Days

Day: 15.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 100.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,688,548 km

• M1: 63,429 km (0.1 R)
• M2: 472,879 km (0.076 R)
• M3: 1,394,701 km (0.108 R)
• M4: 1,746,256 km (0.114 R)
• M5: 2,328,042 km (0.103 R)
• M6: 4,043,630 km (0.055 R)
• M7: 5,080,942 km (0.069 R)
• M8: 5,710,001 km (0.116 R)
• M9: 5,875,008 km (0.077 R)
• M10: 6,933,562 km (0.107 R)
• M11: 12,172,928 km (0.08 R)
• M12: 14,057,712 km (0.088 R)
• M13: 20,245,678 km (0.111 R)
• M14: 24,056,235 km (0.077 R)
• M15: 25,813,262 km (0.091 R)
• M16: 28,993,414 km (0.062 R)
• M17: 31,286,899 km (0.11 R)
• M18: 35,114,809 km (0.058 R)
• M19: 35,669,967 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 19,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit