🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.44 AU - 0.66 AU

Year: 263 Days

Day: 30.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.47 AU - 0.67 AU

Year: 278 Days

Day: 47.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.57 AU - 0.77 AU

Year: 354 Days

Day: 35.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.6

Radius: 11

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.08 AU - 1.43 AU

Year: 902 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,144,597 km

• M1: 167,998 km (0.107 R)
• M2: 557,402 km (0.037 R)
• M3: 969,394 km (0.067 R)
• M4: 1,316,012 km (0.118 R)
• M5: 1,770,940 km (0.119 R)
• M6: 2,301,414 km (0.118 R)
• M7: 2,835,179 km (0.082 R)
• M8: 3,276,343 km (0.038 R)
• M9: 3,954,470 km (0.112 R)
• M10: 4,357,038 km (0.117 R)
• M11: 4,996,120 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.3

Radius: 12.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.26 AU - 1.78 AU

Year: 1210 Days

Day: 10.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,144,597 km

• M1: 157,975 km (0.066 R)
• M2: 568,622 km (0.027 R)
• M3: 979,716 km (0.098 R)
• M4: 1,560,156 km (0.091 R)
• M5: 1,974,991 km (0.091 R)
• M6: 2,475,695 km (0.091 R)
• M7: 3,401,257 km (0.067 R)
• M8: 4,176,025 km (0.119 R)
• M9: 4,809,422 km (0.099 R)
• M10: 7,077,774 km (0.096 R)
• M11: 7,630,090 km (0.115 R)
• M12: 9,040,798 km (0.116 R)
• M13: 10,044,001 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.9

Radius: 11.5

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.4 AU - 1.74 AU

Year: 1270 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,144,597 km

• M1: 143,016 km (0.099 R)
• M2: 549,473 km (0.099 R)
• M3: 909,705 km (0.053 R)
• M4: 1,299,856 km (0.114 R)
• M5: 1,863,989 km (0.099 R)
• M6: 2,690,966 km (0.111 R)
• M7: 3,286,665 km (0.049 R)
• M8: 3,649,141 km (0.082 R)
• M9: 4,073,550 km (0.099 R)
• M10: 4,723,254 km (0.082 R)
• M11: 6,738,786 km (0.056 R)
• M12: 8,405,456 km (0.031 R)
• M13: 9,970,100 km (0.047 R)
• M14: 10,701,783 km (0.064 R)
• M15: 12,123,711 km (0.096 R)
• M16: 12,611,848 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.4

Radius: 11.5

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.4 AU - 2.84 AU

Year: 2738 Days

Day: 10.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,144,597 km

• M1: 143,016 km (0.118 R)
• M2: 566,527 km (0.093 R)
• M3: 994,227 km (0.066 R)
• M4: 1,708,258 km (0.107 R)
• M5: 3,100,416 km (0.109 R)
• M6: 3,702,547 km (0.082 R)
• M7: 4,739,111 km (0.06 R)
• M8: 5,773,281 km (0.096 R)
• M9: 6,204,871 km (0.097 R)
• M10: 6,628,981 km (0.046 R)
• M11: 7,224,530 km (0.104 R)
• M12: 7,630,688 km (0.079 R)
• M13: 8,218,009 km (0.037 R)
• M14: 9,669,109 km (0.108 R)
• M15: 10,240,423 km (0.087 R)
• M16: 11,284,317 km (0.057 R)
• M17: 13,395,592 km (0.119 R)
• M18: 15,914,521 km (0.102 R)
• M19: 20,047,311 km (0.118 R)
• M20: 20,539,638 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.1

Radius: 13.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.99 AU - 5.25 AU

Year: 7480 Days

Day: 11.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,144,597 km

• M1: 167,550 km (0.077 R)
• M2: 619,784 km (0.072 R)
• M3: 1,288,786 km (0.108 R)
• M4: 1,744,760 km (0.11 R)
• M5: 2,292,887 km (0.096 R)
• M6: 3,890,741 km (0.076 R)
• M7: 4,580,836 km (0.093 R)
• M8: 5,319,999 km (0.04 R)
• M9: 5,867,079 km (0.056 R)
• M10: 6,522,916 km (0.062 R)
• M11: 8,356,986 km (0.116 R)
• M12: 12,180,408 km (0.095 R)
• M13: 15,127,636 km (0.105 R)
• M14: 15,639,859 km (0.082 R)
• M15: 17,315,355 km (0.067 R)
• M16: 17,805,288 km (0.115 R)
• M17: 18,448,858 km (0.109 R)
• M18: 19,405,686 km (0.116 R)
• M19: 19,858,369 km (0.117 R)
• M20: 22,310,578 km (0.087 R)
• M21: 25,674,286 km (0.075 R)
• M22: 28,481,939 km (0.103 R)
• M23: 29,362,621 km (0.049 R)
• M24: 30,362,384 km (0.078 R)
• M25: 38,954,687 km (0.062 R)
• M26: 40,651,426 km (0.104 R)
• M27: 41,893,238 km (0.088 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: 411 - 12,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit