2020 OM4
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	1 Feb 2026	28.2	2.515 AU	2.176 AU	13h39m	-27°19'	98.3°	22.8°

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 2020 OM4 are:

            e (Eccentricity)                : 0.5047802
            a (Semimajor axis)              : 1.6717280
            i (Inclination)                 : 15.41711
            Ω (Longitude of ascending node) : 308.09373
            ω (Argument of perihelion)      : 63.83601
            M (Mean anomaly)                : 143.49152
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 11.08949
            B (Latitude of perihelion)      : 13.80419
            P (Orbital period in years)     : 2.16            
        

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
2026-02-01 00:00 UT   13 39 41.6   -27 19 51     2.176    2.515   98.3   22.8   294   28.2 
2026-02-01 06:45 UT   13 39 46.3   -27 22 35     2.172    2.515   98.5   22.8   294   28.2 
2026-02-02 00:00 UT   13 39 57.5   -27 29 34     2.163    2.515   99.1   22.8   295   28.2 
2026-02-03 00:00 UT   13 40 11.8   -27 39 12     2.149    2.515  100.0   22.7   295   28.1 
2026-02-04 00:00 UT   13 40 24.4   -27 48 47     2.136    2.515  100.9   22.6   295   28.1 
2026-02-05 00:00 UT   13 40 35.4   -27 58 17     2.122    2.515  101.7   22.6   296   28.1 
2026-02-06 00:00 UT   13 40 44.7   -28 07 43     2.109    2.515  102.6   22.5   296   28.1 
2026-02-07 00:00 UT   13 40 52.2   -28 17 03     2.096    2.516  103.5   22.4   296   28.1 
2026-02-08 00:00 UT   13 40 58.1   -28 26 19     2.082    2.516  104.4   22.3   296   28.1 
2026-02-09 00:00 UT   13 41 02.1   -28 35 30     2.069    2.516  105.2   22.2   297   28.1 
2026-02-10 00:00 UT   13 41 04.3   -28 44 35     2.056    2.516  106.1   22.1   297   28.0 
2026-02-11 00:00 UT   13 41 04.7   -28 53 35     2.043    2.516  107.0   22.0   298   28.0 
2026-02-12 00:00 UT   13 41 03.2   -29 02 29     2.030    2.515  107.9   21.9   298   28.0 
2026-02-13 00:00 UT   13 40 59.7   -29 11 16     2.017    2.515  108.8   21.8   298   28.0 
2026-02-14 00:00 UT   13 40 54.4   -29 19 58     2.004    2.515  109.7   21.7   299   28.0 
2026-02-15 00:00 UT   13 40 47.1   -29 28 32     1.991    2.515  110.6   21.6   299   27.9 
2026-02-16 00:00 UT   13 40 37.8   -29 36 60     1.978    2.515  111.6   21.4   300   27.9 
2026-02-17 00:00 UT   13 40 26.5   -29 45 20     1.965    2.515  112.5   21.3   300   27.9 
2026-02-18 00:00 UT   13 40 13.1   -29 53 33     1.953    2.515  113.4   21.1   300   27.9 
2026-02-19 00:00 UT   13 39 57.7   -30 01 38     1.940    2.514  114.3   21.0   301   27.9 
2026-02-20 00:00 UT   13 39 40.2   -30 09 35     1.928    2.514  115.3   20.8   301   27.9 
2026-02-21 00:00 UT   13 39 20.6   -30 17 24     1.916    2.514  116.2   20.7   302   27.8 
2026-02-22 00:00 UT   13 38 58.8   -30 25 03     1.903    2.514  117.1   20.5   302   27.8 
2026-02-23 00:00 UT   13 38 34.9   -30 32 34     1.891    2.513  118.1   20.3   303   27.8 
2026-02-24 00:00 UT   13 38 08.9   -30 39 55     1.879    2.513  119.0   20.1   304   27.8 
2026-02-25 00:00 UT   13 37 40.7   -30 47 06     1.867    2.513  120.0   20.0   304   27.8 
2026-02-26 00:00 UT   13 37 10.4   -30 54 06     1.855    2.512  120.9   19.8   305   27.7 
2026-02-27 00:00 UT   13 36 37.8   -31 00 57     1.844    2.512  121.9   19.6   305   27.7 
2026-02-28 00:00 UT   13 36 03.1   -31 07 36     1.832    2.511  122.8   19.4   306   27.7 
2026-03-01 00:00 UT   13 35 26.1   -31 14 04     1.821    2.511  123.8   19.1   307   27.7 
2026-03-02 00:00 UT   13 34 46.9   -31 20 20     1.810    2.510  124.8   18.9   307   27.7 
2026-03-03 00:00 UT   13 34 05.6   -31 26 24     1.799    2.510  125.7   18.7   308   27.6 

    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.