🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.97 AU - 1.57 AU

Year: 503 Days

Day: 37 Hours

Environment

Temp: 18 °C

Axial Tilt: 43.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.46 AU - 1.5 AU

Year: 633 Days

Day: 28.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 0.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.27 AU - 2.27 AU

Year: 1202 Days

Day: 18.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.2

Radius: 11.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.38 AU - 6.76 AU

Year: 5919 Days

Day: 12.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,933,823 km

• M1: 138,677 km (0.034 R)
• M2: 536,009 km (0.054 R)
• M3: 1,018,313 km (0.072 R)
• M4: 1,367,624 km (0.092 R)
• M5: 1,760,767 km (0.112 R)
• M6: 2,112,172 km (0.077 R)
• M7: 2,905,789 km (0.049 R)
• M8: 3,282,776 km (0.103 R)
• M9: 3,999,499 km (0.098 R)
• M10: 4,467,890 km (0.117 R)
• M11: 4,920,723 km (0.101 R)
• M12: 5,743,661 km (0.108 R)
• M13: 6,158,047 km (0.113 R)
• M14: 10,444,774 km (0.091 R)
• M15: 11,848,451 km (0.091 R)
• M16: 13,998,471 km (0.099 R)
• M17: 14,916,254 km (0.079 R)
• M18: 17,233,525 km (0.04 R)
• M19: 23,530,399 km (0.105 R)
• M20: 25,060,486 km (0.053 R)
• M21: 27,896,113 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.9

Radius: 13.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.49 AU - 8.57 AU

Year: 6551 Days

Day: 12.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,933,823 km

• M1: 169,794 km (0.091 R)
• M2: 850,314 km (0.097 R)
• M3: 1,699,133 km (0.112 R)
• M4: 2,147,926 km (0.109 R)
• M5: 2,625,143 km (0.079 R)
• M6: 3,153,673 km (0.038 R)
• M7: 3,931,432 km (0.054 R)
• M8: 4,755,417 km (0.066 R)
• M9: 6,487,461 km (0.083 R)
• M10: 8,685,802 km (0.057 R)
• M11: 9,532,077 km (0.033 R)
• M12: 10,388,525 km (0.109 R)
• M13: 11,389,185 km (0.075 R)
• M14: 13,009,330 km (0.119 R)
• M15: 14,390,268 km (0.103 R)
• M16: 14,946,772 km (0.115 R)
• M17: 16,642,015 km (0.103 R)
• M18: 18,139,191 km (0.106 R)
• M19: 22,494,882 km (0.09 R)
• M20: 24,245,028 km (0.081 R)
• M21: 25,676,979 km (0.078 R)
• M22: 26,166,463 km (0.1 R)
• M23: 29,236,211 km (0.11 R)
• M24: 30,039,552 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.2

Radius: 9.6

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.83 AU - 9.15 AU

Year: 7204 Days

Day: 8.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,933,823 km

• M1: 119,678 km (0.05 R)
• M2: 664,364 km (0.058 R)
• M3: 1,137,542 km (0.094 R)
• M4: 1,972,298 km (0.114 R)
• M5: 3,228,172 km (0.115 R)
• M6: 4,749,284 km (0.113 R)
• M7: 5,161,276 km (0.113 R)
• M8: 5,597,055 km (0.114 R)
• M9: 7,119,512 km (0.093 R)
• M10: 8,634,939 km (0.077 R)
• M11: 9,730,743 km (0.108 R)
• M12: 14,726,265 km (0.087 R)
• M13: 16,634,236 km (0.12 R)
• M14: 26,317,856 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.5

Radius: 6.7

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 13.22 AU - 19.8 AU

Year: 23578 Days

Day: 17.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,933,823 km

• M1: 83,775 km (0.041 R)
• M2: 342,729 km (0.072 R)
• M3: 1,403,078 km (0.11 R)
• M4: 2,076,418 km (0.068 R)
• M5: 2,721,484 km (0.077 R)
• M6: 3,492,512 km (0.103 R)
• M7: 4,607,016 km (0.087 R)
• M8: 4,891,850 km (0.06 R)
• M9: 5,226,351 km (0.112 R)
• M10: 6,193,501 km (0.093 R)
• M11: 6,585,149 km (0.072 R)
• M12: 6,855,472 km (0.12 R)
• M13: 8,582,430 km (0.04 R)
• M14: 10,039,663 km (0.085 R)
• M15: 10,458,537 km (0.117 R)
• M16: 10,703,129 km (0.094 R)
• M17: 11,654,572 km (0.114 R)
• M18: 12,184,447 km (0.103 R)
• M19: 15,311,641 km (0.104 R)
• M20: 19,483,178 km (0.045 R)
• M21: 19,853,881 km (0.117 R)
• M22: 21,877,641 km (0.089 R)
• M23: 22,683,525 km (0.12 R)
• M24: 22,990,799 km (0.051 R)
• M25: 23,929,227 km (0.096 R)
• M26: 28,056,482 km (0.115 R)
• M27: 28,410,580 km (0.08 R)
• M28: 38,406,860 km (0.069 R)
• M29: 39,430,708 km (0.086 R)
• M30: 40,623,003 km (0.118 R)
• M31: 41,685,895 km (0.061 R)
• M32: 45,632,886 km (0.118 R)
• M33: 50,515,311 km (0.079 R)
• M34: 51,567,134 km (0.118 R)
• M35: 52,633,468 km (0.116 R)
• M36: 57,235,248 km (0.089 R)
• M37: 58,378,325 km (0.086 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 13,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit