🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.47 AU - 0.67 AU

Year: 159 Days

Day: 14.5 Hours

Environment

Temp: 167 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,224,076 km

• M1: 17,054 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.69 AU - 0.85 AU

Year: 249 Days

Day: 42.1 Hours

Environment

Temp: 92 °C

Axial Tilt: 45 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,224,076 km

• M1: 33,959 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.01 AU - 1.11 AU

Year: 403 Days

Day: 44.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 32.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.23 AU - 1.71 AU

Year: 658 Days

Day: 44.8 Hours

Environment

Temp: -29 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.66 AU - 2.88 AU

Year: 1701 Days

Day: 14.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.4

Radius: 10

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.17 AU - 6.91 AU

Year: 4811 Days

Day: 5.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,224,076 km

• M1: 125,213 km (0.114 R)
• M2: 446,699 km (0.078 R)
• M3: 967,749 km (0.083 R)
• M4: 2,076,568 km (0.099 R)
• M5: 2,612,727 km (0.112 R)
• M6: 3,019,633 km (0.055 R)
• M7: 3,468,726 km (0.085 R)
• M8: 3,863,664 km (0.056 R)
• M9: 5,136,892 km (0.08 R)
• M10: 5,551,128 km (0.116 R)
• M11: 8,127,204 km (0.103 R)
• M12: 8,589,461 km (0.116 R)
• M13: 9,034,365 km (0.054 R)
• M14: 9,494,528 km (0.118 R)
• M15: 16,099,274 km (0.047 R)
• M16: 17,095,297 km (0.073 R)
• M17: 17,690,397 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26

Radius: 8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 16.12 AU - 23.34 AU

Year: 32335 Days

Day: 24.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,224,076 km

• M1: 103,821 km (0.076 R)
• M2: 355,893 km (0.072 R)
• M3: 895,642 km (0.102 R)
• M4: 3,540,682 km (0.091 R)
• M5: 4,704,255 km (0.045 R)
• M6: 4,953,335 km (0.091 R)
• M7: 12,938,421 km (0.049 R)
• M8: 15,886,396 km (0.049 R)
• M9: 24,199,550 km (0.089 R)
• M10: 31,663,586 km (0.09 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: 224 - 16,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit