🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.63 AU - 0.63 AU

Year: 184 Days

Day: 30.9 Hours

Environment

Temp: 155 °C

Axial Tilt: 11.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,265,702 km

• M1: 383,719 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.64 AU - 0.76 AU

Year: 216 Days

Day: 15.9 Hours

Environment

Temp: 129 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.77 AU - 1.27 AU

Year: 380 Days

Day: 30.8 Hours

Environment

Temp: 36 °C

Axial Tilt: 23.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.89 AU - 1.31 AU

Year: 426 Days

Day: 44.4 Hours

Environment

Temp: -1 °C

Axial Tilt: 111.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 64,265,702 km

• M1: 99,333 km (0.063 R)
• M2: 157,676 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.6 AU - 1.76 AU

Year: 803 Days

Day: 32.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.07 AU - 3.37 AU

Year: 1655 Days

Day: 36.5 Hours

Environment

Temp: -99 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.22 AU - 3.4 AU

Year: 1738 Days

Day: 35.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,265,702 km

• M1: 72,106 km (0.068 R)
• M2: 395,836 km (0.1 R)

Asteroid Belt

Center: 3.77 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 13.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.35 AU - 5.11 AU

Year: 3795 Days

Day: 6.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,265,702 km

• M1: 196,422 km (0.094 R)
• M2: 633,996 km (0.026 R)
• M3: 1,194,689 km (0.034 R)
• M4: 1,628,074 km (0.064 R)
• M5: 2,600,310 km (0.099 R)
• M6: 4,036,899 km (0.083 R)
• M7: 4,650,100 km (0.082 R)
• M8: 5,591,071 km (0.045 R)
• M9: 6,778,130 km (0.112 R)
• M10: 8,517,654 km (0.115 R)
• M11: 10,961,036 km (0.072 R)
• M12: 15,131,974 km (0.028 R)
• M13: 16,222,393 km (0.109 R)
• M14: 17,189,992 km (0.076 R)
• M15: 18,866,835 km (0.052 R)
• M16: 21,113,495 km (0.074 R)
• M17: 22,474,537 km (0.102 R)
• M18: 24,624,857 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.2

Radius: 8.8

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.43 AU - 10.99 AU

Year: 12932 Days

Day: 6.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,265,702 km

• M1: 109,805 km (0.106 R)
• M2: 459,265 km (0.061 R)
• M3: 820,844 km (0.095 R)
• M4: 1,148,463 km (0.069 R)
• M5: 1,517,820 km (0.059 R)
• M6: 1,859,053 km (0.107 R)
• M7: 2,133,864 km (0.093 R)
• M8: 3,915,126 km (0.07 R)
• M9: 4,339,834 km (0.089 R)
• M10: 5,649,414 km (0.106 R)
• M11: 5,994,686 km (0.119 R)
• M12: 6,436,000 km (0.059 R)
• M13: 7,160,352 km (0.092 R)
• M14: 7,519,537 km (0.108 R)
• M15: 7,843,716 km (0.044 R)
• M16: 9,823,943 km (0.095 R)
• M17: 10,437,892 km (0.116 R)
• M18: 10,900,299 km (0.104 R)
• M19: 13,487,744 km (0.106 R)
• M20: 14,246,205 km (0.043 R)
• M21: 14,671,662 km (0.111 R)
• M22: 15,622,655 km (0.076 R)
• M23: 23,071,732 km (0.106 R)
• M24: 25,273,064 km (0.047 R)
• M25: 29,284,980 km (0.092 R)
• M26: 34,968,053 km (0.072 R)
• M27: 40,774,246 km (0.115 R)
• M28: 44,730,511 km (0.111 R)
• M29: 48,137,603 km (0.094 R)
• M30: 54,768,678 km (0.095 R)
• M31: 64,265,749 km (0.096 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 17,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit