🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.42 AU - 0.68 AU

Year: 145 Days

Day: 27.1 Hours

Environment

Temp: 175 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.01 AU - 1.63 AU

Year: 541 Days

Day: 44.1 Hours

Environment

Temp: 7 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.37 AU - 1.57 AU

Year: 635 Days

Day: 27.5 Hours

Environment

Temp: -9 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.26 AU - 2.44 AU

Year: 1284 Days

Day: 16.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,198,226 km

• M1: 40,242 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.07 AU - 4.93 AU

Year: 2852 Days

Day: 18.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,198,226 km

• M1: 34,408 km (0.108 R)

Asteroid Belt

Center: 6.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 9.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.65 AU - 11.85 AU

Year: 10852 Days

Day: 11.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 105,198,226 km

• M1: 121,922 km (0.113 R)
• M2: 451,187 km (0.04 R)
• M3: 1,347,129 km (0.114 R)
• M4: 2,599,562 km (0.079 R)
• M5: 2,994,800 km (0.085 R)
• M6: 3,307,160 km (0.072 R)
• M7: 4,914,440 km (0.035 R)
• M8: 5,904,179 km (0.065 R)
• M9: 6,688,820 km (0.119 R)
• M10: 7,865,407 km (0.091 R)
• M11: 11,124,247 km (0.076 R)
• M12: 12,368,752 km (0.035 R)
• M13: 13,597,698 km (0.118 R)
• M14: 15,303,114 km (0.061 R)
• M15: 22,729,751 km (0.102 R)
• M16: 24,255,200 km (0.044 R)
• M17: 24,568,159 km (0.114 R)
• M18: 26,503,656 km (0.036 R)
• M19: 28,020,579 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.7

Radius: 9.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 9.82 AU - 13.4 AU

Year: 14101 Days

Day: 6.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 105,198,226 km

• M1: 123,568 km (0.094 R)
• M2: 538,104 km (0.104 R)
• M3: 1,129,165 km (0.094 R)
• M4: 1,675,347 km (0.076 R)
• M5: 3,345,308 km (0.099 R)
• M6: 5,033,370 km (0.103 R)
• M7: 6,588,889 km (0.061 R)
• M8: 7,145,094 km (0.052 R)
• M9: 8,216,065 km (0.12 R)
• M10: 8,626,711 km (0.091 R)
• M11: 12,245,334 km (0.103 R)
• M12: 13,148,157 km (0.068 R)
• M13: 13,966,008 km (0.092 R)
• M14: 15,426,532 km (0.075 R)
• M15: 19,041,565 km (0.078 R)
• M16: 20,006,022 km (0.11 R)
• M17: 24,099,020 km (0.098 R)
• M18: 26,785,499 km (0.106 R)
• M19: 27,995,746 km (0.027 R)
• M20: 29,559,342 km (0.041 R)
• M21: 32,068,697 km (0.119 R)
• M22: 36,765,322 km (0.116 R)
• M23: 41,767,127 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.8

Radius: 6.1

Gravity: 25.66 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 14.31 AU - 21.97 AU

Year: 27539 Days

Day: 21.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 105,198,226 km

• M1: 75,846 km (0.1 R)
• M2: 370,554 km (0.092 R)
• M3: 699,220 km (0.04 R)
• M4: 1,049,429 km (0.089 R)
• M5: 1,241,662 km (0.037 R)
• M6: 2,483,773 km (0.104 R)
• M7: 3,618,324 km (0.079 R)
• M8: 4,135,035 km (0.098 R)
• M9: 4,392,493 km (0.109 R)
• M10: 5,145,718 km (0.1 R)
• M11: 6,028,196 km (0.099 R)
• M12: 6,456,644 km (0.055 R)
• M13: 7,643,703 km (0.039 R)
• M14: 9,401,927 km (0.082 R)
• M15: 16,536,997 km (0.077 R)
• M16: 18,046,889 km (0.07 R)
• M17: 19,543,765 km (0.092 R)
• M18: 19,852,834 km (0.052 R)
• M19: 21,013,714 km (0.085 R)
• M20: 23,124,540 km (0.079 R)
• M21: 25,008,426 km (0.041 R)
• M22: 26,612,564 km (0.091 R)
• M23: 26,865,234 km (0.092 R)
• M24: 27,633,120 km (0.118 R)
• M25: 28,284,021 km (0.093 R)
• M26: 29,887,859 km (0.114 R)
• M27: 31,551,388 km (0.091 R)
• M28: 32,984,087 km (0.083 R)
• M29: 34,310,122 km (0.099 R)
• M30: 46,770,727 km (0.091 R)
• M31: 50,154,033 km (0.027 R)
• M32: 54,303,129 km (0.066 R)
• M33: 57,192,912 km (0.108 R)
• M34: 57,403,097 km (0.049 R)
• M35: 60,401,038 km (0.054 R)
• M36: 66,939,512 km (0.119 R)
• M37: 79,816,448 km (0.096 R)
• M38: 86,832,738 km (0.11 R)
• M39: 90,205,122 km (0.108 R)
• M40: 91,348,349 km (0.059 R)
• M41: 93,372,409 km (0.107 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 17,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit