🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.51 AU - 0.53 AU

Year: 143 Days

Day: 43.4 Hours

Environment

Temp: 143 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.93 AU - 0.95 AU

Year: 347 Days

Day: 31.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 157.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.88 AU - 1.24 AU

Year: 416 Days

Day: 43.3 Hours

Environment

Temp: 0 °C

Axial Tilt: 13.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,259,324 km

• M1: 250,277 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.1 AU - 1.62 AU

Year: 604 Days

Day: 42.9 Hours

Environment

Temp: -32 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.44 AU - 1.92 AU

Year: 829 Days

Day: 28 Hours

Environment

Temp: -60 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,259,324 km

• M1: 164,558 km (0.104 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.53 AU - 3.37 AU

Year: 1929 Days

Day: 24.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,259,324 km

• M1: 25,581 km (0.045 R)
• M2: 50,564 km (0.116 R)

Asteroid Belt

Center: 3.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 14.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.57 AU - 4.75 AU

Year: 3831 Days

Day: 11.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,259,324 km

• M1: 184,903 km (0.114 R)
• M2: 845,826 km (0.065 R)
• M3: 1,516,623 km (0.077 R)
• M4: 1,983,967 km (0.076 R)
• M5: 2,662,094 km (0.103 R)
• M6: 4,372,596 km (0.043 R)
• M7: 5,107,421 km (0.117 R)
• M8: 5,923,328 km (0.113 R)
• M9: 6,514,538 km (0.091 R)
• M10: 7,955,316 km (0.064 R)
• M11: 9,921,480 km (0.106 R)
• M12: 11,961,547 km (0.117 R)
• M13: 20,270,661 km (0.036 R)
• M14: 23,024,907 km (0.052 R)
• M15: 23,531,446 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595

Radius: 13.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.84 AU - 9.04 AU

Year: 8520 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,259,324 km

• M1: 172,187 km (0.062 R)
• M2: 758,910 km (0.074 R)
• M3: 1,190,649 km (0.101 R)
• M4: 1,710,352 km (0.111 R)
• M5: 2,312,783 km (0.099 R)
• M6: 2,771,600 km (0.115 R)
• M7: 4,155,530 km (0.032 R)
• M8: 4,613,748 km (0.092 R)
• M9: 5,349,470 km (0.09 R)
• M10: 5,860,646 km (0.05 R)
• M11: 6,404,135 km (0.037 R)
• M12: 6,833,930 km (0.11 R)
• M13: 8,706,746 km (0.071 R)
• M14: 11,052,739 km (0.086 R)
• M15: 12,592,401 km (0.116 R)
• M16: 16,159,712 km (0.105 R)
• M17: 16,623,315 km (0.092 R)
• M18: 17,301,293 km (0.043 R)
• M19: 20,275,299 km (0.091 R)
• M20: 22,492,339 km (0.106 R)
• M21: 27,497,734 km (0.104 R)
• M22: 32,460,943 km (0.06 R)
• M23: 33,094,041 km (0.068 R)
• M24: 40,127,235 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.1

Radius: 7.9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 12.57 AU - 16.33 AU

Year: 20917 Days

Day: 24.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,259,324 km

• M1: 98,286 km (0.076 R)
• M2: 690,843 km (0.052 R)
• M3: 1,050,177 km (0.078 R)
• M4: 1,634,955 km (0.117 R)
• M5: 2,080,308 km (0.085 R)
• M6: 3,564,618 km (0.097 R)
• M7: 4,464,748 km (0.107 R)
• M8: 4,870,907 km (0.085 R)
• M9: 5,939,484 km (0.062 R)
• M10: 6,238,979 km (0.12 R)
• M11: 8,025,477 km (0.058 R)
• M12: 9,060,245 km (0.096 R)
• M13: 9,763,505 km (0.105 R)
• M14: 10,941,439 km (0.085 R)
• M15: 11,507,068 km (0.115 R)
• M16: 15,528,259 km (0.039 R)
• M17: 16,387,848 km (0.093 R)
• M18: 19,565,158 km (0.102 R)
• M19: 23,314,978 km (0.061 R)
• M20: 25,407,104 km (0.114 R)
• M21: 28,775,150 km (0.114 R)
• M22: 37,259,743 km (0.114 R)
• M23: 38,927,311 km (0.091 R)
• M24: 43,803,753 km (0.091 R)
• M25: 44,511,799 km (0.042 R)
• M26: 46,241,899 km (0.092 R)
• M27: 46,828,472 km (0.093 R)
• M28: 47,866,980 km (0.107 R)
• M29: 48,166,475 km (0.077 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 554 - 14,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit