🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.54 AU - 0.64 AU

Year: 159 Days

Day: 24.8 Hours

Environment

Temp: 225 °C

Axial Tilt: 3.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.49 AU - 0.77 AU

Year: 175 Days

Day: 16 Hours

Environment

Temp: 226 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.64 AU - 0.66 AU

Year: 183 Days

Day: 21 Hours

Environment

Temp: 222 °C

Axial Tilt: 24.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,077,718 km

• M1: 35,155 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.96 AU - 1.56 AU

Year: 495 Days

Day: 37.1 Hours

Environment

Temp: 13 °C

Axial Tilt: 25.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.5 AU - 1.78 AU

Year: 735 Days

Day: 29.4 Hours

Environment

Temp: -34 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,077,718 km

• M1: 17,054 km (0.049 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.92 AU - 2.02 AU

Year: 967 Days

Day: 20.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.35 AU - 2.45 AU

Year: 1301 Days

Day: 31.1 Hours

Environment

Temp: -68 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.32 AU - 3.7 AU

Year: 2301 Days

Day: 19.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.3

Radius: 11.1

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.12 AU - 9.6 AU

Year: 9226 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,077,718 km

• M1: 138,528 km (0.042 R)
• M2: 514,018 km (0.03 R)
• M3: 874,400 km (0.09 R)
• M4: 1,797,418 km (0.048 R)
• M5: 2,470,160 km (0.076 R)
• M6: 2,907,734 km (0.099 R)
• M7: 3,736,057 km (0.105 R)
• M8: 4,178,867 km (0.034 R)
• M9: 4,803,887 km (0.073 R)
• M10: 5,688,309 km (0.06 R)
• M11: 6,384,239 km (0.12 R)
• M12: 7,058,327 km (0.096 R)
• M13: 7,655,671 km (0.096 R)
• M14: 8,157,721 km (0.056 R)
• M15: 8,860,981 km (0.108 R)
• M16: 10,745,166 km (0.093 R)
• M17: 15,355,025 km (0.091 R)
• M18: 16,495,858 km (0.049 R)
• M19: 18,054,967 km (0.112 R)
• M20: 19,710,118 km (0.071 R)
• M21: 22,211,095 km (0.078 R)
• M22: 23,320,214 km (0.076 R)
• M23: 24,465,834 km (0.116 R)
• M24: 26,584,140 km (0.108 R)
• M25: 27,736,642 km (0.104 R)
• M26: 29,122,965 km (0.101 R)
• M27: 39,402,882 km (0.106 R)
• M28: 40,271,747 km (0.096 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 12,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit