star • main_sequence

Sirius

The brightest star in the night sky, also known as the Dog Star. It is actually a binary star system containing a main-sequence star (Sirius A) and a faint white dwarf companion (Sirius B).

Physical & Orbital Properties

Mass: 4.02 × 10³⁰ kg
Gravity: 120 m/s²
Temperature: 9,940 °C
Orbital Period: 50.1 years (binary orbit)
Distance from Earth: 8.6 light-years

Frequently Asked Questions

What type of astronomical body is Sirius?

Sirius is classified as a star (main sequence). The brightest star in the night sky

What is the mass and gravity of Sirius?

Sirius has a mass of 4018000000000000000000000000000.0 and a surface gravity of 120.0 m/s².

How far is Sirius from Earth?

Sirius is located approximately 8.6 light-years from Earth.

What is the orbital period of Sirius?

Sirius has an orbital period of 50.1 years (binary orbit).