2021 RU14
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	12 Jan 2026	29.3	2.476 AU	1.713 AU	10h52m	+11°56'	131.4°	17.3°

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 2021 RU14 are:

            e (Eccentricity)                : 0.5559133
            a (Semimajor axis)              : 2.3616918
            i (Inclination)                 : 3.97200
            Ω (Longitude of ascending node) : 12.42034
            ω (Argument of perihelion)      : 2.22701
            M (Mean anomaly)                : 49.14021
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 14.64201
            B (Latitude of perihelion)      : 0.15422
            P (Orbital period in years)     : 3.63            
        

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
2026-01-12 00:00 UT   10 52 22.2   +11 56 32     1.713    2.476  131.4   17.3   289   29.3 
2026-01-12 23:14 UT   10 51 46.5   +12 00 44     1.708    2.482  132.6   17.0   288   29.3 
2026-01-13 00:00 UT   10 51 45.2   +12 00 53     1.708    2.482  132.6   17.0   288   29.3 
2026-01-14 00:00 UT   10 51 06.4   +12 05 22     1.704    2.488  133.8   16.6   288   29.3 
2026-01-15 00:00 UT   10 50 25.7   +12 10 01     1.699    2.494  135.0   16.2   288   29.3 
2026-01-16 00:00 UT   10 49 43.2   +12 14 48     1.695    2.499  136.2   15.8   288   29.2 
2026-01-17 00:00 UT   10 48 58.8   +12 19 44     1.691    2.505  137.4   15.4   287   29.2 
2026-01-18 00:00 UT   10 48 12.6   +12 24 47     1.687    2.511  138.6   15.0   287   29.2 
2026-01-19 00:00 UT   10 47 24.7   +12 29 59     1.684    2.517  139.8   14.6   287   29.2 
2026-01-20 00:00 UT   10 46 35.1   +12 35 18     1.680    2.523  141.1   14.2   287   29.2 
2026-01-21 00:00 UT   10 45 43.7   +12 40 44     1.677    2.528  142.3   13.8   286   29.2 
2026-01-22 00:00 UT   10 44 50.8   +12 46 17     1.674    2.534  143.5   13.3   286   29.2 
2026-01-23 00:00 UT   10 43 56.2   +12 51 56     1.672    2.540  144.8   12.9   286   29.1 
2026-01-24 00:00 UT   10 43 00.0   +12 57 40     1.669    2.546  146.0   12.5   285   29.1 
2026-01-25 00:00 UT   10 42 02.4   +13 03 31     1.667    2.551  147.3   12.0   285   29.1 
2026-01-26 00:00 UT   10 41 03.3   +13 09 26     1.665    2.557  148.5   11.6   285   29.1 
2026-01-27 00:00 UT   10 40 02.8   +13 15 26     1.663    2.563  149.8   11.1   284   29.1 
2026-01-28 00:00 UT   10 39 00.9   +13 21 30     1.662    2.568  151.1   10.7   284   29.1 
2026-01-29 00:00 UT   10 37 57.8   +13 27 37     1.661    2.574  152.4   10.2   283   29.1 
2026-01-30 00:00 UT   10 36 53.4   +13 33 48     1.660    2.580  153.6    9.8   283   29.0 
2026-01-31 00:00 UT   10 35 47.9   +13 40 02     1.659    2.585  154.9    9.3   282   29.0 
2026-02-01 00:00 UT   10 34 41.3   +13 46 17     1.659    2.591  156.2    8.8   282   29.0 
2026-02-02 00:00 UT   10 33 33.6   +13 52 35     1.659    2.596  157.5    8.4   281   29.0 
2026-02-03 00:00 UT   10 32 24.9   +13 58 54     1.659    2.602  158.8    7.9   280   29.0 
2026-02-04 00:00 UT   10 31 15.3   +14 05 14     1.659    2.608  160.1    7.4   279   29.0 
2026-02-05 00:00 UT   10 30 04.9   +14 11 35     1.660    2.613  161.3    6.9   278   28.9 
2026-02-06 00:00 UT   10 28 53.7   +14 17 55     1.661    2.619  162.6    6.5   277   28.9 
2026-02-07 00:00 UT   10 27 41.8   +14 24 15     1.662    2.624  163.9    6.0   276   28.9 
2026-02-08 00:00 UT   10 26 29.3   +14 30 34     1.664    2.630  165.2    5.5   275   28.9 
2026-02-09 00:00 UT   10 25 16.2   +14 36 51     1.666    2.635  166.4    5.0   273   28.9 
2026-02-10 00:00 UT   10 24 02.7   +14 43 07     1.668    2.641  167.7    4.6   271   28.9 
2026-02-11 00:00 UT   10 22 48.7   +14 49 21     1.671    2.646  168.9    4.1   268   28.8 

    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.