🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.5 AU - 0.8 AU

Year: 150 Days

Day: 20.5 Hours

Environment

Temp: 335 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 111,090,920 km

• M1: 30,069 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.71 AU - 0.89 AU

Year: 205 Days

Day: 15.6 Hours

Environment

Temp: 318 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.79 AU - 1.25 AU

Year: 296 Days

Day: 21.5 Hours

Environment

Temp: 285 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.46 AU - 1.88 AU

Year: 619 Days

Day: 18.7 Hours

Environment

Temp: 170 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 111,090,920 km

• M1: 629,508 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.03 AU - 2.53 AU

Year: 988 Days

Day: 40.4 Hours

Environment

Temp: 46 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 111,090,920 km

• M1: 370,554 km (0.098 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.03 AU - 4.39 AU

Year: 2051 Days

Day: 30.1 Hours

Environment

Temp: -35 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.5 AU - 4.16 AU

Year: 2151 Days

Day: 42 Hours

Environment

Temp: -38 °C

Axial Tilt: 96.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.08 AU - 9.64 AU

Year: 7568 Days

Day: 45.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.61 AU - 11.29 AU

Year: 10398 Days

Day: 39.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 17.4 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 23.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.3

Radius: 7.5

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 19.01 AU - 28.69 AU

Year: 33425 Days

Day: 23.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 111,090,920 km

• M1: 93,349 km (0.027 R)
• M2: 431,590 km (0.102 R)
• M3: 762,500 km (0.084 R)
• M4: 1,035,666 km (0.078 R)
• M5: 1,340,846 km (0.105 R)
• M6: 1,705,715 km (0.113 R)
• M7: 2,351,679 km (0.099 R)
• M8: 2,717,296 km (0.072 R)
• M9: 4,341,480 km (0.071 R)
• M10: 7,576,683 km (0.061 R)
• M11: 8,258,251 km (0.054 R)
• M12: 8,494,317 km (0.113 R)
• M13: 14,051,429 km (0.106 R)
• M14: 28,513,953 km (0.07 R)
• M15: 37,355,486 km (0.028 R)
• M16: 40,836,329 km (0.088 R)
• M17: 42,743,104 km (0.1 R)
• M18: 43,629,172 km (0.055 R)
• M19: 45,805,522 km (0.082 R)
• M20: 47,863,240 km (0.06 R)
• M21: 48,626,489 km (0.074 R)
• M22: 65,882,005 km (0.084 R)
• M23: 66,117,322 km (0.111 R)
• M24: 68,984,066 km (0.064 R)
• M25: 70,693,970 km (0.102 R)
• M26: 72,431,998 km (0.028 R)
• M27: 78,343,208 km (0.095 R)
• M28: 81,280,562 km (0.104 R)
• M29: 93,468,151 km (0.046 R)

Kuiper Belt

Range: 38.3 - 58.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 11,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit