🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.83 AU - 1.19 AU

Year: 355 Days

Day: 45.3 Hours

Environment

Temp: 78 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,090,572 km

• M1: 55,650 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.27 AU - 1.47 AU

Year: 561 Days

Day: 22.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 128.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.22 AU - 1.7 AU

Year: 617 Days

Day: 19.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.21 AU - 2.41 AU

Year: 1228 Days

Day: 12.1 Hours

Environment

Temp: -58 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.69 AU - 4.05 AU

Year: 2164 Days

Day: 13.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.01 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.3

Radius: 13.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.38 AU - 7.9 AU

Year: 5986 Days

Day: 8.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,090,572 km

• M1: 170,392 km (0.103 R)
• M2: 593,754 km (0.12 R)
• M3: 1,256,473 km (0.069 R)
• M4: 1,852,919 km (0.06 R)
• M5: 2,356,316 km (0.064 R)
• M6: 2,790,000 km (0.083 R)
• M7: 3,838,831 km (0.073 R)
• M8: 5,155,741 km (0.087 R)
• M9: 6,075,170 km (0.074 R)
• M10: 6,682,537 km (0.103 R)
• M11: 7,151,676 km (0.065 R)
• M12: 8,351,600 km (0.11 R)
• M13: 11,563,766 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.6

Radius: 14.8

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.82 AU - 8.38 AU

Year: 7330 Days

Day: 12.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,090,572 km

• M1: 188,942 km (0.077 R)
• M2: 799,451 km (0.11 R)
• M3: 1,642,734 km (0.106 R)
• M4: 2,576,375 km (0.079 R)
• M5: 4,626,464 km (0.087 R)
• M6: 7,029,754 km (0.079 R)
• M7: 11,245,571 km (0.113 R)
• M8: 18,594,716 km (0.074 R)
• M9: 20,259,890 km (0.109 R)
• M10: 21,161,516 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 14

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.97 AU - 10.21 AU

Year: 9588 Days

Day: 14.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,090,572 km

• M1: 174,132 km (0.079 R)
• M2: 842,834 km (0.091 R)
• M3: 2,818,125 km (0.07 R)
• M4: 3,361,315 km (0.105 R)
• M5: 7,325,658 km (0.086 R)
• M6: 10,022,309 km (0.058 R)
• M7: 11,405,342 km (0.074 R)
• M8: 12,796,153 km (0.112 R)
• M9: 13,743,856 km (0.11 R)
• M10: 16,318,285 km (0.1 R)
• M11: 17,936,186 km (0.083 R)
• M12: 19,199,092 km (0.106 R)
• M13: 20,920,514 km (0.092 R)
• M14: 26,986,857 km (0.073 R)
• M15: 28,643,953 km (0.119 R)
• M16: 37,243,437 km (0.102 R)
• M17: 41,294,996 km (0.106 R)
• M18: 43,361,541 km (0.119 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 20,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit