🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.71 AU - 0.75 AU

Year: 219 Days

Day: 23.2 Hours

Environment

Temp: 155 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,620,278 km

• M1: 298,448 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.97 AU - 2.09 AU

Year: 1017 Days

Day: 47.9 Hours

Environment

Temp: -49 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.38 AU - 2.56 AU

Year: 1364 Days

Day: 17.6 Hours

Environment

Temp: -80 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.16 AU - 4.82 AU

Year: 2801 Days

Day: 22.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.56 AU - 4.72 AU

Year: 2961 Days

Day: 41.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,620,278 km

• M1: 695,929 km (0.053 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.36 AU - 4.72 AU

Year: 3400 Days

Day: 37 Hours

Environment

Temp: -120 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.6

Radius: 11.2

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.87 AU - 10.91 AU

Year: 9316 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,620,278 km

• M1: 139,874 km (0.069 R)
• M2: 644,916 km (0.066 R)
• M3: 1,124,078 km (0.102 R)
• M4: 2,390,574 km (0.114 R)
• M5: 3,029,506 km (0.083 R)
• M6: 3,524,675 km (0.05 R)
• M7: 4,100,926 km (0.09 R)
• M8: 6,626,138 km (0.114 R)
• M9: 7,056,681 km (0.091 R)
• M10: 7,547,661 km (0.038 R)
• M11: 8,193,326 km (0.083 R)
• M12: 8,875,642 km (0.115 R)
• M13: 9,743,758 km (0.063 R)
• M14: 12,928,846 km (0.032 R)
• M15: 15,155,012 km (0.111 R)
• M16: 17,038,599 km (0.088 R)
• M17: 17,849,120 km (0.095 R)
• M18: 18,225,808 km (0.09 R)
• M19: 22,118,494 km (0.056 R)
• M20: 22,641,039 km (0.034 R)
• M21: 28,534,298 km (0.114 R)
• M22: 30,312,867 km (0.109 R)
• M23: 30,957,783 km (0.109 R)
• M24: 32,610,391 km (0.03 R)
• M25: 36,815,438 km (0.067 R)
• M26: 37,426,694 km (0.1 R)
• M27: 38,795,365 km (0.09 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 16,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit