2020 OM4
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	14 Jan 2026	28.4	2.508 AU	2.419 AU	13h30m	-24°15'	83.6°	22.9°

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
2026-01-14 00:00 UT   13 30 53.0   -24 15 40     2.419    2.508   83.6   22.9   291   28.4 
2026-01-14 22:52 UT   13 31 31.3   -24 25 47     2.406    2.508   84.3   23.0   291   28.4 
2026-01-15 00:00 UT   13 31 33.2   -24 26 17     2.406    2.508   84.4   23.0   291   28.4 
2026-01-16 00:00 UT   13 32 12.2   -24 36 52     2.392    2.509   85.2   23.0   291   28.4 
2026-01-17 00:00 UT   13 32 50.0   -24 47 24     2.379    2.509   86.0   23.0   291   28.4 
2026-01-18 00:00 UT   13 33 26.7   -24 57 54     2.365    2.510   86.8   23.0   291   28.4 
2026-01-19 00:00 UT   13 34 02.2   -25 08 22     2.352    2.510   87.5   23.1   291   28.4 
2026-01-20 00:00 UT   13 34 36.4   -25 18 47     2.338    2.511   88.4   23.1   292   28.3 
2026-01-21 00:00 UT   13 35 09.4   -25 29 09     2.325    2.511   89.2   23.1   292   28.3 
2026-01-22 00:00 UT   13 35 41.1   -25 39 29     2.311    2.512   90.0   23.1   292   28.3 
2026-01-23 00:00 UT   13 36 11.4   -25 49 45     2.298    2.512   90.8   23.1   292   28.3 
2026-01-24 00:00 UT   13 36 40.5   -25 59 59     2.284    2.513   91.6   23.1   292   28.3 
2026-01-25 00:00 UT   13 37 08.1   -26 10 10     2.271    2.513   92.4   23.0   293   28.3 
2026-01-26 00:00 UT   13 37 34.4   -26 20 17     2.257    2.513   93.3   23.0   293   28.3 
2026-01-27 00:00 UT   13 37 59.3   -26 30 22     2.244    2.514   94.1   23.0   293   28.2 
2026-01-28 00:00 UT   13 38 22.7   -26 40 23     2.230    2.514   94.9   23.0   293   28.2 
2026-01-29 00:00 UT   13 38 44.7   -26 50 20     2.217    2.514   95.8   22.9   294   28.2 
2026-01-30 00:00 UT   13 39 05.2   -27 00 14     2.203    2.514   96.6   22.9   294   28.2 
2026-01-31 00:00 UT   13 39 24.2   -27 10 04     2.190    2.515   97.4   22.9   294   28.2 
2026-02-01 00:00 UT   13 39 41.6   -27 19 51     2.176    2.515   98.3   22.8   294   28.2 
2026-02-02 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 

    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.