🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.8 AU - 0.9 AU

Year: 288 Days

Day: 21.8 Hours

Environment

Temp: 172 °C

Axial Tilt: 43.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.89 AU - 1.15 AU

Year: 378 Days

Day: 16.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.37 AU - 1.73 AU

Year: 708 Days

Day: 30.2 Hours

Environment

Temp: -44 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.37 AU - 3.75 AU

Year: 1965 Days

Day: 40.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,524,440 km

• M1: 380,278 km (0.075 R)
• M2: 876,045 km (0.109 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.36 AU - 3.72 AU

Year: 2445 Days

Day: 40.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 10.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.06 AU - 5.5 AU

Year: 3836 Days

Day: 14.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,524,440 km

• M1: 147,055 km (0.111 R)
• M2: 573,558 km (0.114 R)
• M3: 1,086,380 km (0.101 R)
• M4: 1,539,063 km (0.074 R)
• M5: 2,116,211 km (0.086 R)
• M6: 2,816,928 km (0.095 R)
• M7: 3,178,805 km (0.111 R)
• M8: 3,684,745 km (0.116 R)
• M9: 4,058,141 km (0.118 R)
• M10: 4,699,318 km (0.092 R)
• M11: 5,044,739 km (0.064 R)
• M12: 6,184,077 km (0.105 R)
• M13: 6,685,080 km (0.091 R)
• M14: 7,183,091 km (0.059 R)
• M15: 7,518,191 km (0.117 R)
• M16: 8,352,498 km (0.089 R)
• M17: 8,965,400 km (0.093 R)
• M18: 10,204,819 km (0.095 R)
• M19: 11,308,402 km (0.051 R)
• M20: 11,763,180 km (0.072 R)
• M21: 13,705,409 km (0.09 R)
• M22: 14,174,997 km (0.107 R)
• M23: 15,146,485 km (0.048 R)
• M24: 16,686,296 km (0.108 R)
• M25: 18,102,838 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.5

Radius: 12.5

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.68 AU - 7.66 AU

Year: 5626 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,524,440 km

• M1: 156,779 km (0.093 R)
• M2: 684,261 km (0.112 R)
• M3: 1,139,487 km (0.102 R)
• M4: 2,323,853 km (0.097 R)
• M5: 3,199,898 km (0.116 R)
• M6: 3,992,917 km (0.077 R)
• M7: 5,601,243 km (0.106 R)
• M8: 7,517,592 km (0.117 R)
• M9: 8,432,982 km (0.094 R)
• M10: 9,873,011 km (0.093 R)
• M11: 10,857,514 km (0.119 R)
• M12: 12,642,217 km (0.053 R)
• M13: 15,363,552 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.1

Radius: 11.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.97 AU - 7.79 AU

Year: 5916 Days

Day: 13 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,524,440 km

• M1: 140,772 km (0.116 R)
• M2: 667,506 km (0.061 R)
• M3: 1,398,740 km (0.034 R)
• M4: 1,861,446 km (0.098 R)
• M5: 2,878,413 km (0.085 R)
• M6: 4,961,413 km (0.075 R)
• M7: 5,355,903 km (0.102 R)
• M8: 8,406,054 km (0.077 R)
• M9: 9,138,934 km (0.065 R)
• M10: 9,877,648 km (0.118 R)
• M11: 10,280,366 km (0.059 R)
• M12: 14,044,547 km (0.102 R)
• M13: 14,790,143 km (0.093 R)
• M14: 16,924,755 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.5

Radius: 13.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.42 AU - 9.68 AU

Year: 9994 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,524,440 km

• M1: 170,392 km (0.053 R)
• M2: 630,705 km (0.045 R)
• M3: 1,521,261 km (0.103 R)
• M4: 2,295,879 km (0.086 R)
• M5: 2,843,257 km (0.095 R)
• M6: 3,365,204 km (0.109 R)
• M7: 8,252,866 km (0.081 R)
• M8: 10,535,280 km (0.077 R)
• M9: 12,112,940 km (0.108 R)
• M10: 20,547,118 km (0.111 R)
• M11: 21,007,431 km (0.062 R)
• M12: 24,940,658 km (0.084 R)
• M13: 25,995,921 km (0.069 R)
• M14: 32,961,647 km (0.091 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: 387 - 13,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit