(458122) 2010 EW45
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	17 Mar 2026	22.5	3.434 AU	2.454 AU	12h25m	-05°07'	168.0°	3.4°

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
2026-03-17 00:00 UT   12 25 09.4   -05 07 53     2.454    3.434  168.0    3.4   304   22.5 
2026-03-17 05:28 UT   12 24 55.7   -05 06 25     2.453    3.434  168.3    3.4   304   22.5 
2026-03-18 00:00 UT   12 24 09.4   -05 01 26     2.452    3.434  169.3    3.1   305   22.5 
2026-03-19 00:00 UT   12 23 09.0   -04 54 55     2.449    3.435  170.5    2.7   307   22.5 
2026-03-20 00:00 UT   12 22 08.4   -04 48 20     2.447    3.436  171.7    2.4   309   22.4 
2026-03-21 00:00 UT   12 21 07.5   -04 41 42     2.446    3.437  173.0    2.0   312   22.4 
2026-03-22 00:00 UT   12 20 06.4   -04 35 02     2.445    3.437  174.1    1.7   316   22.4 
2026-03-23 00:00 UT   12 19 05.1   -04 28 19     2.444    3.438  175.3    1.4   321   22.4 
2026-03-24 00:00 UT   12 18 03.8   -04 21 34     2.443    3.439  176.4    1.1   331   22.3 
2026-03-25 00:00 UT   12 17 02.4   -04 14 47     2.443    3.439  177.3    0.8   347   22.3 
2026-03-26 00:00 UT   12 16 01.0   -04 07 59     2.443    3.440  177.8    0.6    15   22.3 
2026-03-27 00:00 UT   12 14 59.7   -04 01 10     2.443    3.440  177.6    0.7    46   22.3 
2026-03-28 00:00 UT   12 13 58.4   -03 54 20     2.444    3.441  176.9    0.9    69   22.3 
2026-03-29 00:00 UT   12 12 57.4   -03 47 30     2.445    3.442  175.9    1.2    81   22.3 
2026-03-30 00:00 UT   12 11 56.5   -03 40 40     2.447    3.442  174.8    1.5    89   22.4 
2026-03-31 00:00 UT   12 10 55.9   -03 33 50     2.448    3.443  173.6    1.8    93   22.4 
2026-04-01 00:00 UT   12 09 55.5   -03 27 00     2.450    3.443  172.4    2.2    97   22.4 
2026-04-02 00:00 UT   12 08 55.5   -03 20 12     2.453    3.444  171.2    2.5    99   22.5 
2026-04-03 00:00 UT   12 07 55.9   -03 13 24     2.455    3.444  170.0    2.9   101   22.5 
2026-04-04 00:00 UT   12 06 56.7   -03 06 38     2.459    3.445  168.8    3.2   102   22.5 
2026-04-05 00:00 UT   12 05 58.0   -02 59 54     2.462    3.445  167.5    3.6   104   22.5 
2026-04-06 00:00 UT   12 04 59.8   -02 53 12     2.465    3.446  166.3    3.9   105   22.6 
2026-04-07 00:00 UT   12 04 02.1   -02 46 33     2.469    3.446  165.1    4.3   105   22.6 
2026-04-08 00:00 UT   12 03 05.1   -02 39 56     2.474    3.447  163.8    4.6   106   22.6 
2026-04-09 00:00 UT   12 02 08.7   -02 33 22     2.478    3.447  162.6    5.0   107   22.6 
2026-04-10 00:00 UT   12 01 12.9   -02 26 52     2.483    3.447  161.4    5.3   107   22.6 
2026-04-11 00:00 UT   12 00 17.9   -02 20 25     2.488    3.448  160.1    5.7   108   22.7 
2026-04-12 00:00 UT   11 59 23.6   -02 14 03     2.494    3.448  158.9    6.0   108   22.7 
2026-04-13 00:00 UT   11 58 30.1   -02 07 44     2.500    3.448  157.7    6.3   108   22.7 
2026-04-14 00:00 UT   11 57 37.4   -02 01 30     2.506    3.449  156.5    6.7   109   22.7 
2026-04-15 00:00 UT   11 56 45.6   -01 55 20     2.512    3.449  155.3    7.0   109   22.8 
2026-04-16 00:00 UT   11 55 54.7   -01 49 16     2.519    3.449  154.1    7.3   109   22.8 

    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.