🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.49 AU - 0.53 AU

Year: 128 Days

Day: 29.1 Hours

Environment

Temp: 248 °C

Axial Tilt: 73 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.6 AU - 0.76 AU

Year: 197 Days

Day: 14.1 Hours

Environment

Temp: 233 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.76 AU - 0.98 AU

Year: 285 Days

Day: 29 Hours

Environment

Temp: 193 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 93,486,409 km

• M1: 378,183 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.35 AU - 1.63 AU

Year: 639 Days

Day: 25.5 Hours

Environment

Temp: -14 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.6 AU - 2.18 AU

Year: 913 Days

Day: 45.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 158.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.11 AU - 2.57 AU

Year: 1258 Days

Day: 39.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.97 AU - 3.97 AU

Year: 2272 Days

Day: 43.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.54 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 19.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.4

Radius: 7.4

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 19.52 AU - 19.68 AU

Year: 30497 Days

Day: 21.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,486,409 km

• M1: 172,038 km (0.119 R)
• M2: 559,047 km (0.06 R)
• M3: 816,954 km (0.08 R)
• M4: 1,640,640 km (0.096 R)
• M5: 1,909,916 km (0.077 R)
• M6: 5,760,864 km (0.119 R)
• M7: 7,517,592 km (0.085 R)
• M8: 9,242,007 km (0.103 R)
• M9: 20,979,605 km (0.117 R)
• M10: 34,087,072 km (0.113 R)
• M11: 35,830,036 km (0.105 R)
• M12: 59,496,120 km (0.106 R)
• M13: 64,390,813 km (0.048 R)
• M14: 65,932,120 km (0.076 R)
• M15: 71,403,512 km (0.072 R)
• M16: 71,637,783 km (0.119 R)
• M17: 71,872,651 km (0.07 R)
• M18: 83,498,500 km (0.07 R)
• M19: 84,804,340 km (0.091 R)
• M20: 86,655,464 km (0.045 R)
• M21: 92,648,355 km (0.103 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 11,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit