2020 OM4
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	31 Mar 2026	27.0	2.486 AU	1.565 AU	13h01m	-32°23'	151.0°	11.2°

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
2026-03-31 00:00 UT   13 01 07.2   -32 23 17     1.565    2.486  151.0   11.2   347   27.0 
2026-03-31 23:11 UT   12 59 37.8   -32 20 29     1.560    2.485  151.6   11.0   350   27.0 
2026-04-01 00:00 UT   12 59 34.6   -32 20 23     1.560    2.485  151.6   11.0   350   27.0 
2026-04-02 00:00 UT   12 58 01.4   -32 17 06     1.555    2.484  152.2   10.8   352   27.0 
2026-04-03 00:00 UT   12 56 27.5   -32 13 27     1.551    2.482  152.8   10.6   355   27.0 
2026-04-04 00:00 UT   12 54 53.1   -32 09 25     1.547    2.481  153.3   10.4   358   27.0 
2026-04-05 00:00 UT   12 53 18.3   -32 05 02     1.543    2.480  153.8   10.3     1   27.0 
2026-04-06 00:00 UT   12 51 43.3   -32 00 16     1.539    2.479  154.2   10.1     4   27.0 
2026-04-07 00:00 UT   12 50 08.0   -31 55 08     1.536    2.477  154.5   10.0     7   26.9 
2026-04-08 00:00 UT   12 48 32.7   -31 49 39     1.533    2.476  154.8    9.9    10   26.9 
2026-04-09 00:00 UT   12 46 57.4   -31 43 48     1.530    2.474  155.1    9.8    13   26.9 
2026-04-10 00:00 UT   12 45 22.2   -31 37 36     1.528    2.473  155.3    9.8    17   26.9 
2026-04-11 00:00 UT   12 43 47.3   -31 31 04     1.525    2.472  155.4    9.7    20   26.9 
2026-04-12 00:00 UT   12 42 12.8   -31 24 12     1.523    2.470  155.4    9.7    23   26.9 
2026-04-13 00:00 UT   12 40 38.7   -31 16 60     1.522    2.469  155.4    9.7    27   26.9 
2026-04-14 00:00 UT   12 39 05.2   -31 09 28     1.520    2.467  155.3    9.8    30   26.9 
2026-04-15 00:00 UT   12 37 32.4   -31 01 39     1.519    2.466  155.1    9.8    33   26.9 
2026-04-16 00:00 UT   12 36 00.4   -30 53 31     1.518    2.464  154.9    9.9    36   26.9 
2026-04-17 00:00 UT   12 34 29.3   -30 45 06     1.518    2.463  154.6   10.1    40   26.9 
2026-04-18 00:00 UT   12 32 59.2   -30 36 24     1.517    2.461  154.3   10.2    43   26.9 
2026-04-19 00:00 UT   12 31 30.2   -30 27 26     1.517    2.459  153.9   10.3    46   26.9 
2026-04-20 00:00 UT   12 30 02.5   -30 18 14     1.518    2.458  153.5   10.5    49   26.9 
2026-04-21 00:00 UT   12 28 36.0   -30 08 47     1.518    2.456  153.0   10.7    51   26.9 
2026-04-22 00:00 UT   12 27 10.9   -29 59 07     1.519    2.454  152.4   10.9    54   26.9 
2026-04-23 00:00 UT   12 25 47.2   -29 49 14     1.520    2.453  151.8   11.2    57   27.0 
2026-04-24 00:00 UT   12 24 25.1   -29 39 09     1.521    2.451  151.2   11.4    59   27.0 

    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.