(458122) 2010 EW45
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	15 Jan 2026	23.5	3.355 AU	3.061 AU	12h54m	-07°54'	98.8°	16.8°

The interactive orbit chart above shows the body's path through the solar system and its position at the given date. Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below. (Left-click and drag to rotate the view; Right-click and drag to move the view; Use scroll wheel to zoom in our out.)

The orbital elements of 2010 EW45 are:

            e (Eccentricity)                : 0.6691593
            a (Semimajor axis)              : 2.0677774
            i (Inclination)                 : 2.11562
            Ω (Longitude of ascending node) : 232.85722
            ω (Argument of perihelion)      : 135.65030
            M (Mean anomaly)                : 126.19309
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 188.52705
            B (Latitude of perihelion)      : 1.47872
            P (Orbital period in years)     : 2.97            
        

The light curve chart below shows the estimated development of the minor planet's magnitude.

The all-sky chart below shows the path of the minor planet over the same period as the light curve. The current position is marked yellow.

The following chart shows the path of the minor planet in the next few days. The field of view is optimized for (~10x50) binoculars and finderscopes.

Ephemerides:

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2026-01-15 00:00 UT   12 54 57.2   -07 54 43     3.061    3.355   98.8   16.8   293   23.5 
2026-01-15 23:03 UT   12 55 04.5   -07 55 56     3.048    3.357   99.7   16.8   293   23.5 
2026-01-16 00:00 UT   12 55 04.7   -07 55 59     3.047    3.357   99.7   16.8   293   23.5 
2026-01-17 00:00 UT   12 55 11.1   -07 57 08     3.033    3.359  100.7   16.7   293   23.5 
2026-01-18 00:00 UT   12 55 16.3   -07 58 09     3.019    3.360  101.7   16.7   293   23.5 
2026-01-19 00:00 UT   12 55 20.4   -07 59 03     3.006    3.362  102.7   16.6   293   23.5 
2026-01-20 00:00 UT   12 55 23.2   -07 59 50     2.992    3.364  103.7   16.5   293   23.4 
2026-01-21 00:00 UT   12 55 24.7   -08 00 29     2.978    3.366  104.7   16.4   293   23.4 
2026-01-22 00:00 UT   12 55 25.1   -08 01 00     2.964    3.367  105.7   16.3   293   23.4 
2026-01-23 00:00 UT   12 55 24.2   -08 01 24     2.951    3.369  106.8   16.2   293   23.4 
2026-01-24 00:00 UT   12 55 22.0   -08 01 41     2.937    3.371  107.8   16.1   293   23.4 
2026-01-25 00:00 UT   12 55 18.6   -08 01 49     2.924    3.372  108.8   16.0   293   23.4 
2026-01-26 00:00 UT   12 55 14.0   -08 01 50     2.910    3.374  109.8   15.9   293   23.4 
2026-01-27 00:00 UT   12 55 08.0   -08 01 42     2.897    3.376  110.9   15.8   293   23.4 
2026-01-28 00:00 UT   12 55 00.8   -08 01 27     2.883    3.377  111.9   15.7   294   23.3 
2026-01-29 00:00 UT   12 54 52.3   -08 01 04     2.870    3.379  113.0   15.6   294   23.3 
2026-01-30 00:00 UT   12 54 42.5   -08 00 32     2.857    3.380  114.0   15.4   294   23.3 
2026-01-31 00:00 UT   12 54 31.4   -07 59 53     2.844    3.382  115.1   15.3   294   23.3 
2026-02-01 00:00 UT   12 54 19.1   -07 59 05     2.831    3.383  116.2   15.2   294   23.3 
2026-02-02 00:00 UT   12 54 05.4   -07 58 09     2.819    3.385  117.2   15.0   294   23.3 
2026-02-03 00:00 UT   12 53 50.3   -07 57 04     2.806    3.386  118.3   14.8   294   23.3 
2026-02-04 00:00 UT   12 53 34.0   -07 55 52     2.793    3.388  119.4   14.7   294   23.3 
2026-02-05 00:00 UT   12 53 16.4   -07 54 30     2.781    3.389  120.5   14.5   294   23.2 
2026-02-06 00:00 UT   12 52 57.4   -07 53 01     2.769    3.391  121.6   14.3   294   23.2 
2026-02-07 00:00 UT   12 52 37.1   -07 51 22     2.757    3.392  122.7   14.2   294   23.2 
2026-02-08 00:00 UT   12 52 15.5   -07 49 35     2.745    3.393  123.8   14.0   294   23.2 
2026-02-09 00:00 UT   12 51 52.5   -07 47 40     2.733    3.395  124.9   13.8   294   23.2 
2026-02-10 00:00 UT   12 51 28.2   -07 45 36     2.721    3.396  126.0   13.6   294   23.2 
2026-02-11 00:00 UT   12 51 02.6   -07 43 23     2.710    3.398  127.1   13.4   294   23.1 
2026-02-12 00:00 UT   12 50 35.6   -07 41 01     2.698    3.399  128.3   13.2   294   23.1 
2026-02-13 00:00 UT   12 50 07.4   -07 38 31     2.687    3.400  129.4   13.0   295   23.1 
2026-02-14 00:00 UT   12 49 37.8   -07 35 52     2.676    3.402  130.5   12.7   295   23.1 

    Terminology:
            
    delta:  distance between minor planet and earth in AU
    radius: distance between minor planet and sun in AU
    magn:   magnitude (brightness) estimate    
    ra:     right ascension in hours (24h = 360deg)
    dec:    declination in degrees
    elong:  elongation in degrees (angle sun-earth-minor planet)    
    phase:  phase angle in degrees (angle sun-minor planet-earth)        
    AU:     Astronomical Unit (mean distance between earth and sun: 149597870.7 km
    

Orbital elements provided by the MPC (Minor Planet Center).
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.
NGC2000 dso catalog and star labels from VizieR as provided by the Strasbourg astronomical Data Center.
Tycho2 catalog from the ESO archive.