🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.62 AU - 0.8 AU

Year: 224 Days

Day: 37.2 Hours

Environment

Temp: 182 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.21 AU - 1.27 AU

Year: 517 Days

Day: 47.9 Hours

Environment

Temp: -21 °C

Axial Tilt: 21.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.77 AU - 2.11 AU

Year: 1013 Days

Day: 14.5 Hours

Environment

Temp: -76 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.39 AU - 3.83 AU

Year: 2055 Days

Day: 14.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,204,367 km

• M1: 409,599 km (0.047 R)
• M2: 1,477,279 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.56 AU - 4.14 AU

Year: 2298 Days

Day: 48 Hours

Environment

Temp: -123 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557

Radius: 13.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.71 AU - 5.53 AU

Year: 4341 Days

Day: 8.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 103,204,367 km

• M1: 164,109 km (0.101 R)
• M2: 660,325 km (0.12 R)
• M3: 1,088,474 km (0.099 R)
• M4: 1,664,426 km (0.108 R)
• M5: 2,710,265 km (0.092 R)
• M6: 3,181,049 km (0.089 R)
• M7: 3,852,295 km (0.088 R)
• M8: 4,544,933 km (0.08 R)
• M9: 5,060,298 km (0.114 R)
• M10: 9,247,841 km (0.079 R)
• M11: 9,716,830 km (0.101 R)
• M12: 14,842,951 km (0.101 R)
• M13: 24,373,532 km (0.08 R)
• M14: 24,969,381 km (0.034 R)
• M15: 25,498,807 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.2

Radius: 14.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.23 AU - 6.93 AU

Year: 5618 Days

Day: 5.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 103,204,367 km

• M1: 184,005 km (0.099 R)
• M2: 672,742 km (0.05 R)
• M3: 1,346,082 km (0.118 R)
• M4: 2,831,289 km (0.102 R)
• M5: 3,584,664 km (0.075 R)
• M6: 4,443,206 km (0.085 R)
• M7: 5,089,020 km (0.047 R)
• M8: 6,079,358 km (0.05 R)
• M9: 7,670,182 km (0.029 R)
• M10: 9,919,236 km (0.117 R)
• M11: 10,837,019 km (0.059 R)
• M12: 13,002,000 km (0.089 R)
• M13: 15,744,278 km (0.064 R)
• M14: 17,380,879 km (0.088 R)
• M15: 18,106,578 km (0.063 R)
• M16: 21,287,478 km (0.094 R)
• M17: 21,889,759 km (0.063 R)
• M18: 23,925,786 km (0.034 R)
• M19: 24,824,121 km (0.043 R)
• M20: 26,688,410 km (0.111 R)
• M21: 30,885,228 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.5

Radius: 10.6

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.43 AU - 9.83 AU

Year: 10338 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 103,204,367 km

• M1: 131,945 km (0.059 R)
• M2: 490,531 km (0.065 R)
• M3: 1,813,126 km (0.067 R)
• M4: 2,891,128 km (0.111 R)
• M5: 4,831,413 km (0.106 R)
• M6: 5,929,910 km (0.093 R)
• M7: 6,788,901 km (0.101 R)
• M8: 8,477,861 km (0.058 R)
• M9: 9,420,028 km (0.043 R)
• M10: 9,916,693 km (0.058 R)
• M11: 11,180,047 km (0.096 R)
• M12: 14,936,599 km (0.058 R)
• M13: 19,941,845 km (0.025 R)
• M14: 20,348,901 km (0.109 R)
• M15: 23,807,753 km (0.088 R)
• M16: 33,899,925 km (0.025 R)
• M17: 46,945,308 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.3

Radius: 5.2

Gravity: 25.64 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 18.88 AU - 19.42 AU

Year: 31404 Days

Day: 23.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 103,204,367 km

• M1: 80,035 km (0.084 R)
• M2: 307,274 km (0.098 R)
• M3: 1,581,399 km (0.11 R)
• M4: 2,794,189 km (0.116 R)
• M5: 3,257,793 km (0.04 R)
• M6: 4,154,333 km (0.063 R)
• M7: 4,411,342 km (0.079 R)
• M8: 6,042,707 km (0.103 R)
• M9: 7,173,218 km (0.082 R)
• M10: 7,870,942 km (0.037 R)
• M11: 10,038,616 km (0.096 R)
• M12: 12,803,035 km (0.113 R)
• M13: 15,506,866 km (0.116 R)
• M14: 21,463,554 km (0.088 R)
• M15: 24,408,688 km (0.066 R)
• M16: 29,181,009 km (0.077 R)
• M17: 29,582,381 km (0.074 R)
• M18: 30,395,894 km (0.063 R)
• M19: 33,947,048 km (0.074 R)
• M20: 37,923,359 km (0.095 R)
• M21: 78,301,321 km (0.037 R)
• M22: 80,378,338 km (0.111 R)
• M23: 93,616,403 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit