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GP Orionis (S Star) Facts

GP Orionis Facts

GP Orionis's Alternative Names

The Id of the star in the Henry Draper catalogue is HD286340.

More details on objects' alternative names can be found at Star Names .

Location of GP Orionis

The location of the S-Type Star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. For GP Orionis, the location is 05 02 48.0660273400 and +15 19 12.667051210 .

Radial Velocity and Proper Motion of GP Orionis

Proper Motion

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving 2.25 milliarcseconds/year towards the north and 1.43 milliarcseconds/year east if we saw them in the horizon.

Radial Velocity

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 79.00 km/s . When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever.

Physical Properties of GP Orionis

GP Orionis Colour and Temperature

GP Orionis has a spectral type of SC7/8 B.

Distance to GP Orionis

The Parallax of the star is given as 0.67 which gives a calculated distance to GP Orionis of 4885 light years from the Earth or 1497 parsecs. It is about 3,275,962,232,665 miles from Earth.

The star is roughly 308,776,263.37 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun.

Travel Time to GP Orionis

The time it will take to travel to this star is dependent on how fast you are going. U.G. has done some calculations as to how long it will take going at differing speeds. A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days).

The New Horizons space probe is the fastest probe that we've sent into space at the time of writing. Its primary mission was to visit Pluto which at the time of launch (2006), Pluto was still a planet.

DescriptionSpeed (m.p.h.)Time (years)
Walking4818,990,558,166.00
Car12027,299,685,272.00
Airbus A3807364,451,035,642.00
Speed of Sound (Mach 1)767.2694,269,639,764.00
Concorde (Mach 2)1,534.542,134,817,100.00
New Horizons Probe33,00099,271,582.00
Speed of Light670,616,629.004,885.00

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Additional GP Orionis Facts and Figures

Visual Facts


Primary / Proper / Traditional NameGP Orionis
Alternative NamesHD 286340
Spectral TypeSC7/8 B
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeS-Type Star
GalaxyMilky Way
ConstellationOrion
Right Ascension (R.A.)05 02 48.0660273400
Declination (Dec.)+15 19 12.667051210
Distance from Earth0.67 Parallax (milliarcseconds)
 4885 Light Years
 1497 Parsecs
 308,776,263.37 Astronomical Units
Proper Motion Dec.2.25 milliarcseconds/year
Proper Motion RA.1.43 milliarcseconds/year
Radial Velocity79.00 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=hd%20286340

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Comments and Questions

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