2021 RU14
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Feb 2026	28.9	2.720 AU	1.739 AU	10h05m	+16°08'	170.7°	3.4°

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
2026-02-25 00:00 UT   10 05 37.5   +16 08 22     1.739    2.720  170.7    3.4   137   28.9 
2026-02-25 19:47 UT   10 04 39.6   +16 12 21     1.745    2.725  169.8    3.7   134   29.0 
2026-02-26 00:00 UT   10 04 27.3   +16 13 11     1.746    2.725  169.6    3.8   133   29.0 
2026-02-27 00:00 UT   10 03 17.9   +16 17 52     1.753    2.731  168.4    4.2   131   29.0 
2026-02-28 00:00 UT   10 02 09.5   +16 22 25     1.761    2.736  167.2    4.6   129   29.1 
2026-03-01 00:00 UT   10 01 02.0   +16 26 49     1.769    2.741  166.0    5.0   127   29.1 
2026-03-02 00:00 UT   09 59 55.6   +16 31 05     1.778    2.746  164.7    5.4   125   29.1 
2026-03-03 00:00 UT   09 58 50.3   +16 35 11     1.786    2.751  163.5    5.9   124   29.2 
2026-03-04 00:00 UT   09 57 46.1   +16 39 10     1.795    2.756  162.3    6.3   123   29.2 
2026-03-05 00:00 UT   09 56 43.0   +16 42 59     1.804    2.761  161.1    6.7   122   29.2 
2026-03-06 00:00 UT   09 55 41.2   +16 46 39     1.814    2.766  159.9    7.1   121   29.3 
2026-03-07 00:00 UT   09 54 40.7   +16 50 10     1.824    2.771  158.6    7.5   120   29.3 
2026-03-08 00:00 UT   09 53 41.5   +16 53 32     1.834    2.776  157.4    7.9   119   29.3 
2026-03-09 00:00 UT   09 52 43.7   +16 56 44     1.844    2.781  156.2    8.3   119   29.4 
2026-03-10 00:00 UT   09 51 47.2   +16 59 48     1.855    2.786  155.0    8.7   118   29.4 
2026-03-11 00:00 UT   09 50 52.2   +17 02 42     1.866    2.791  153.8    9.0   117   29.4 
2026-03-12 00:00 UT   09 49 58.7   +17 05 27     1.877    2.796  152.6    9.4   117   29.5 
2026-03-13 00:00 UT   09 49 06.6   +17 08 02     1.888    2.801  151.4    9.8   116   29.5 
2026-03-14 00:00 UT   09 48 16.1   +17 10 29     1.900    2.806  150.2   10.1   116   29.5 
2026-03-15 00:00 UT   09 47 27.1   +17 12 46     1.912    2.811  149.0   10.5   116   29.6 
2026-03-16 00:00 UT   09 46 39.8   +17 14 54     1.924    2.816  147.9   10.8   115   29.6 
2026-03-17 00:00 UT   09 45 54.0   +17 16 52     1.936    2.821  146.7   11.2   115   29.6 
2026-03-18 00:00 UT   09 45 09.9   +17 18 42     1.949    2.826  145.5   11.5   115   29.7 
2026-03-19 00:00 UT   09 44 27.4   +17 20 22     1.962    2.831  144.4   11.8   114   29.7 
2026-03-20 00:00 UT   09 43 46.5   +17 21 54     1.975    2.836  143.2   12.1   114   29.7 
2026-03-21 00:00 UT   09 43 07.3   +17 23 16     1.988    2.840  142.1   12.4   114   29.7 
2026-03-22 00:00 UT   09 42 29.8   +17 24 30     2.001    2.845  140.9   12.7   113   29.8 
2026-03-23 00:00 UT   09 41 54.0   +17 25 34     2.015    2.850  139.8   13.0   113   29.8 
2026-03-24 00:00 UT   09 41 19.9   +17 26 30     2.029    2.855  138.7   13.3   113   29.8 
2026-03-25 00:00 UT   09 40 47.5   +17 27 18     2.043    2.860  137.6   13.6   113   29.9 
2026-03-26 00:00 UT   09 40 16.8   +17 27 56     2.057    2.864  136.5   13.9   113   29.9 
2026-03-27 00:00 UT   09 39 47.8   +17 28 27     2.072    2.869  135.4   14.1   112   29.9 

    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.