2011 EH
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	22 Dec 2025	30.0	2.012 AU	2.840 AU	16h03m	-22°23'	26.8°	12.7°

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 2011 EH are:

            e (Eccentricity)                : 0.4846546
            a (Semimajor axis)              : 1.4756186
            i (Inclination)                 : 2.41507
            Ω (Longitude of ascending node) : 338.67636
            ω (Argument of perihelion)      : 96.97569
            M (Mean anomaly)                : 103.13672
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 255.65819
            B (Latitude of perihelion)      : 2.39718
            P (Orbital period in years)     : 1.79            
        

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
2025-12-22 00:00 UT   16 03 29.6   -22 23 55     2.840    2.012   26.8   12.7   278   30.0 
2025-12-22 15:07 UT   16 04 46.1   -22 27 38     2.838    2.014   27.2   12.9   278   30.0 
2025-12-23 00:00 UT   16 05 31.0   -22 29 49     2.837    2.015   27.4   13.0   278   30.0 
2025-12-24 00:00 UT   16 07 32.2   -22 35 36     2.834    2.018   27.9   13.2   278   30.1 
2025-12-25 00:00 UT   16 09 33.0   -22 41 18     2.831    2.022   28.4   13.4   278   30.1 
2025-12-26 00:00 UT   16 11 33.7   -22 46 53     2.828    2.025   29.0   13.6   277   30.1 
2025-12-27 00:00 UT   16 13 34.1   -22 52 22     2.825    2.028   29.5   13.8   277   30.1 
2025-12-28 00:00 UT   16 15 34.2   -22 57 45     2.821    2.031   30.1   14.0   277   30.1 
2025-12-29 00:00 UT   16 17 34.1   -23 03 02     2.818    2.034   30.6   14.3   277   30.1 
2025-12-30 00:00 UT   16 19 33.7   -23 08 13     2.814    2.037   31.2   14.5   277   30.1 
2025-12-31 00:00 UT   16 21 33.1   -23 13 18     2.810    2.040   31.7   14.7   277   30.1 
2026-01-01 00:00 UT   16 23 32.1   -23 18 17     2.806    2.043   32.3   14.9   277   30.1 
2026-01-02 00:00 UT   16 25 30.9   -23 23 09     2.802    2.046   32.9   15.1   277   30.1 
2026-01-03 00:00 UT   16 27 29.5   -23 27 56     2.797    2.049   33.4   15.3   276   30.1 
2026-01-04 00:00 UT   16 29 27.7   -23 32 37     2.793    2.052   34.0   15.5   276   30.1 
2026-01-05 00:00 UT   16 31 25.7   -23 37 12     2.788    2.055   34.5   15.7   276   30.2 
2026-01-06 00:00 UT   16 33 23.4   -23 41 42     2.783    2.058   35.1   15.9   276   30.2 
2026-01-07 00:00 UT   16 35 20.8   -23 46 05     2.779    2.061   35.7   16.2   276   30.2 
2026-01-08 00:00 UT   16 37 17.9   -23 50 23     2.773    2.064   36.2   16.4   276   30.2 
2026-01-09 00:00 UT   16 39 14.6   -23 54 35     2.768    2.067   36.8   16.6   276   30.2 

    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.