🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.49 AU - 0.59 AU

Year: 141 Days

Day: 26.3 Hours

Environment

Temp: 240 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.49 AU - 0.81 AU

Year: 187 Days

Day: 29.5 Hours

Environment

Temp: 214 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,214,813 km

• M1: 33,360 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.52 AU - 0.78 AU

Year: 187 Days

Day: 28.3 Hours

Environment

Temp: 166 °C

Axial Tilt: 140.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.82 AU - 0.96 AU

Year: 299 Days

Day: 27.4 Hours

Environment

Temp: 157 °C

Axial Tilt: 46.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.04 AU - 1.04 AU

Year: 378 Days

Day: 41.2 Hours

Environment

Temp: 49 °C

Axial Tilt: 19 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.95 AU - 1.57 AU

Year: 504 Days

Day: 36.8 Hours

Environment

Temp: -0 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.75 AU - 2.75 AU

Year: 1203 Days

Day: 39.5 Hours

Environment

Temp: -74 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,214,813 km

• M1: 737,966 km (0.117 R)
• M2: 858,991 km (0.094 R)

Asteroid Belt

Center: 6.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.1

Radius: 11.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.95 AU - 11.67 AU

Year: 11800 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,214,813 km

• M1: 140,173 km (0.113 R)
• M2: 533,915 km (0.092 R)
• M3: 1,360,293 km (0.067 R)
• M4: 1,712,896 km (0.056 R)
• M5: 2,297,823 km (0.092 R)
• M6: 2,706,225 km (0.073 R)
• M7: 4,368,856 km (0.113 R)
• M8: 5,245,500 km (0.068 R)
• M9: 5,892,511 km (0.115 R)
• M10: 6,592,030 km (0.077 R)
• M11: 13,129,158 km (0.079 R)
• M12: 15,456,003 km (0.028 R)
• M13: 16,853,696 km (0.08 R)
• M14: 18,045,542 km (0.112 R)
• M15: 20,518,096 km (0.103 R)
• M16: 21,632,301 km (0.103 R)
• M17: 25,850,811 km (0.074 R)
• M18: 26,961,875 km (0.084 R)
• M19: 29,179,962 km (0.095 R)
• M20: 32,358,468 km (0.106 R)
• M21: 33,106,757 km (0.065 R)
• M22: 35,874,317 km (0.116 R)
• M23: 40,002,770 km (0.055 R)
• M24: 40,370,781 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.3

Radius: 7.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 13.35 AU - 14.11 AU

Year: 18134 Days

Day: 23.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,214,813 km

• M1: 98,286 km (0.08 R)
• M2: 421,118 km (0.089 R)
• M3: 667,805 km (0.032 R)
• M4: 1,219,671 km (0.038 R)
• M5: 2,761,726 km (0.089 R)
• M6: 4,913,093 km (0.042 R)
• M7: 5,281,403 km (0.094 R)
• M8: 10,721,081 km (0.089 R)
• M9: 11,855,332 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.1

Radius: 6.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 13.94 AU - 21 AU

Year: 26028 Days

Day: 23.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,214,813 km

• M1: 78,389 km (0.055 R)
• M2: 393,293 km (0.11 R)
• M3: 1,302,249 km (0.054 R)
• M4: 1,628,522 km (0.114 R)
• M5: 1,991,896 km (0.064 R)
• M6: 3,436,712 km (0.062 R)
• M7: 4,114,989 km (0.112 R)
• M8: 8,109,102 km (0.102 R)
• M9: 8,626,112 km (0.056 R)
• M10: 10,259,871 km (0.046 R)
• M11: 10,458,836 km (0.119 R)
• M12: 11,707,380 km (0.111 R)
• M13: 12,200,155 km (0.067 R)
• M14: 13,110,309 km (0.112 R)
• M15: 14,874,217 km (0.088 R)
• M16: 16,381,116 km (0.106 R)
• M17: 23,258,430 km (0.105 R)
• M18: 24,124,452 km (0.108 R)
• M19: 31,315,621 km (0.087 R)
• M20: 34,329,719 km (0.065 R)
• M21: 35,906,780 km (0.105 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 19,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit