2019 UN12
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	27 Oct 2025	27.7	3.635 AU	2.890 AU	23h01m	-01°14'	132.4°	11.6°

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 2019 UN12 are:

            e (Eccentricity)                : 0.8461801
            a (Semimajor axis)              : 2.2562223
            i (Inclination)                 : 5.19316
            Ω (Longitude of ascending node) : 222.54238
            ω (Argument of perihelion)      : 301.79588
            M (Mean anomaly)                : 264.59435
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 164.44390
            B (Latitude of perihelion)      : -4.41214
            P (Orbital period in years)     : 3.39            
        

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
2025-10-27 00:00 UT   23 01 28.0   -01 14 53     2.890    3.635  132.4   11.6    72   27.7 
2025-10-27 05:45 UT   23 01 19.5   -01 16 08     2.892    3.634  132.1   11.7    71   27.7 
2025-10-28 00:00 UT   23 00 52.8   -01 20 04     2.898    3.630  131.2   11.9    71   27.7 
2025-10-29 00:00 UT   23 00 18.8   -01 25 09     2.906    3.626  130.1   12.1    71   27.7 
2025-10-30 00:00 UT   22 59 46.0   -01 30 06     2.915    3.622  128.9   12.3    71   27.7 
2025-10-31 00:00 UT   22 59 14.4   -01 34 56     2.923    3.618  127.8   12.5    71   27.7 
2025-11-01 00:00 UT   22 58 44.0   -01 39 39     2.932    3.614  126.7   12.7    71   27.7 
2025-11-02 00:00 UT   22 58 14.8   -01 44 15     2.941    3.609  125.5   12.9    71   27.7 
2025-11-03 00:00 UT   22 57 46.9   -01 48 43     2.951    3.605  124.4   13.1    70   27.8 
2025-11-04 00:00 UT   22 57 20.2   -01 53 04     2.960    3.601  123.3   13.3    70   27.8 
2025-11-05 00:00 UT   22 56 54.7   -01 57 18     2.970    3.596  122.1   13.5    70   27.8 
2025-11-06 00:00 UT   22 56 30.5   -02 01 24     2.979    3.592  121.0   13.7    70   27.8 
2025-11-07 00:00 UT   22 56 07.6   -02 05 23     2.989    3.588  119.9   13.9    70   27.8 
2025-11-08 00:00 UT   22 55 45.8   -02 09 14     2.999    3.583  118.8   14.0    70   27.8 
2025-11-09 00:00 UT   22 55 25.4   -02 12 58     3.009    3.579  117.7   14.2    70   27.8 
2025-11-10 00:00 UT   22 55 06.1   -02 16 33     3.020    3.575  116.6   14.3    70   27.8 
2025-11-11 00:00 UT   22 54 48.1   -02 20 02     3.030    3.570  115.5   14.5    70   27.8 
2025-11-12 00:00 UT   22 54 31.4   -02 23 22     3.041    3.566  114.4   14.6    69   27.9 
2025-11-13 00:00 UT   22 54 15.9   -02 26 35     3.051    3.561  113.4   14.8    69   27.9 
2025-11-14 00:00 UT   22 54 01.7   -02 29 40     3.062    3.557  112.3   14.9    69   27.9 
2025-11-15 00:00 UT   22 53 48.7   -02 32 37     3.073    3.552  111.2   15.0    69   27.9 
2025-11-16 00:00 UT   22 53 36.9   -02 35 26     3.084    3.548  110.1   15.2    69   27.9 
2025-11-17 00:00 UT   22 53 26.4   -02 38 07     3.095    3.543  109.1   15.3    69   27.9 
2025-11-18 00:00 UT   22 53 17.1   -02 40 41     3.106    3.539  108.0   15.4    69   27.9 
2025-11-19 00:00 UT   22 53 09.1   -02 43 07     3.117    3.534  107.0   15.5    69   27.9 
2025-11-20 00:00 UT   22 53 02.3   -02 45 25     3.128    3.529  105.9   15.6    69   27.9 
2025-11-21 00:00 UT   22 52 56.7   -02 47 35     3.139    3.525  104.9   15.7    69   27.9 
2025-11-22 00:00 UT   22 52 52.3   -02 49 37     3.151    3.520  103.8   15.8    69   27.9 
2025-11-23 00:00 UT   22 52 49.1   -02 51 31     3.162    3.515  102.8   15.9    68   28.0 
2025-11-24 00:00 UT   22 52 47.1   -02 53 18     3.174    3.511  101.8   16.0    68   28.0 
2025-11-25 00:00 UT   22 52 46.3   -02 54 57     3.185    3.506  100.8   16.1    68   28.0 
2025-11-26 00:00 UT   22 52 46.6   -02 56 28     3.197    3.501   99.7   16.1    68   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.