🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.63 AU - 0.69 AU

Year: 195 Days

Day: 23.4 Hours

Environment

Temp: 186 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.58 AU - 0.92 AU

Year: 236 Days

Day: 37.5 Hours

Environment

Temp: 158 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.74 AU - 0.94 AU

Year: 280 Days

Day: 47.5 Hours

Environment

Temp: 86 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,297,899 km

• M1: 42,935 km (0.055 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.15 AU - 1.43 AU

Year: 532 Days

Day: 12.6 Hours

Environment

Temp: -10 °C

Axial Tilt: 136 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 20,297,899 km

• M1: 562,338 km (0.039 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.14 AU - 4.22 AU

Year: 3106 Days

Day: 36.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.8

Radius: 9.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.65 AU - 5.83 AU

Year: 4359 Days

Day: 13.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,297,899 km

• M1: 128,355 km (0.055 R)
• M2: 443,109 km (0.114 R)
• M3: 942,616 km (0.115 R)
• M4: 6,660,696 km (0.1 R)
• M5: 7,633,680 km (0.12 R)
• M6: 9,217,174 km (0.119 R)
• M7: 10,209,606 km (0.054 R)
• M8: 11,462,039 km (0.11 R)
• M9: 16,118,871 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 13.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.03 AU - 5.93 AU

Year: 4662 Days

Day: 7.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,297,899 km

• M1: 164,258 km (0.106 R)
• M2: 1,080,246 km (0.107 R)
• M3: 1,511,537 km (0.087 R)
• M4: 1,950,307 km (0.053 R)
• M5: 2,866,445 km (0.114 R)
• M6: 3,441,349 km (0.084 R)
• M7: 4,362,573 km (0.066 R)
• M8: 5,127,018 km (0.101 R)
• M9: 6,273,985 km (0.072 R)
• M10: 6,692,410 km (0.085 R)
• M11: 7,647,742 km (0.114 R)
• M12: 8,967,495 km (0.107 R)
• M13: 9,866,428 km (0.092 R)
• M14: 11,265,318 km (0.034 R)
• M15: 11,927,887 km (0.098 R)
• M16: 14,890,673 km (0.119 R)
• M17: 16,202,646 km (0.114 R)
• M18: 18,767,950 km (0.091 R)
• M19: 19,997,346 km (0.115 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 13,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit