2021 RU14
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	15 Jun 2026	31.4	3.199 AU	3.473 AU	10h09m	+13°06'	66.1°	16.9°

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 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
2026-06-15 00:00 UT   10 09 10.3   +13 06 27     3.473    3.199   66.1   16.9   110   31.4 
2026-06-15 02:20 UT   10 09 15.5   +13 05 53     3.475    3.199   66.0   16.9   110   31.4 
2026-06-16 00:00 UT   10 10 04.1   +13 00 40     3.490    3.202   65.3   16.8   110   31.4 
2026-06-17 00:00 UT   10 10 58.3   +12 54 52     3.507    3.206   64.6   16.6   110   31.4 
2026-06-18 00:00 UT   10 11 52.9   +12 49 00     3.524    3.209   63.9   16.5   110   31.4 
2026-06-19 00:00 UT   10 12 47.8   +12 43 07     3.540    3.213   63.2   16.4   110   31.4 
2026-06-20 00:00 UT   10 13 43.2   +12 37 11     3.557    3.216   62.5   16.3   110   31.4 
2026-06-21 00:00 UT   10 14 38.9   +12 31 13     3.573    3.220   61.8   16.1   110   31.4 
2026-06-22 00:00 UT   10 15 34.9   +12 25 12     3.590    3.223   61.1   16.0   110   31.4 
2026-06-23 00:00 UT   10 16 31.3   +12 19 10     3.606    3.227   60.4   15.9   110   31.4 
2026-06-24 00:00 UT   10 17 28.0   +12 13 05     3.622    3.230   59.7   15.8   110   31.4 
2026-06-25 00:00 UT   10 18 25.0   +12 06 58     3.638    3.234   59.0   15.6   110   31.4 
2026-06-26 00:00 UT   10 19 22.3   +12 00 49     3.654    3.237   58.3   15.5   110   31.5 
2026-06-27 00:00 UT   10 20 20.0   +11 54 38     3.670    3.240   57.6   15.4   110   31.5 
2026-06-28 00:00 UT   10 21 17.9   +11 48 24     3.685    3.244   56.9   15.2   110   31.5 
2026-06-29 00:00 UT   10 22 16.2   +11 42 09     3.701    3.247   56.2   15.1   110   31.5 
2026-06-30 00:00 UT   10 23 14.7   +11 35 52     3.716    3.250   55.5   14.9   110   31.5 
2026-07-01 00:00 UT   10 24 13.5   +11 29 33     3.732    3.254   54.8   14.8   110   31.5 
2026-07-02 00:00 UT   10 25 12.5   +11 23 11     3.747    3.257   54.1   14.6   110   31.5 
2026-07-03 00:00 UT   10 26 11.8   +11 16 48     3.762    3.260   53.4   14.5   110   31.5 
2026-07-04 00:00 UT   10 27 11.4   +11 10 23     3.777    3.264   52.7   14.4   110   31.5 
2026-07-05 00:00 UT   10 28 11.2   +11 03 56     3.792    3.267   52.0   14.2   110   31.5 
2026-07-06 00:00 UT   10 29 11.3   +10 57 28     3.807    3.270   51.4   14.1   110   31.5 
2026-07-07 00:00 UT   10 30 11.6   +10 50 57     3.822    3.273   50.7   13.9   110   31.5 
2026-07-08 00:00 UT   10 31 12.2   +10 44 24     3.836    3.277   50.0   13.7   110   31.5 
2026-07-09 00:00 UT   10 32 12.9   +10 37 50     3.851    3.280   49.3   13.6   111   31.5 
2026-07-10 00:00 UT   10 33 13.9   +10 31 14     3.865    3.283   48.6   13.4   111   31.5 
2026-07-11 00:00 UT   10 34 15.1   +10 24 36     3.879    3.286   48.0   13.3   111   31.5 
2026-07-12 00:00 UT   10 35 16.6   +10 17 57     3.893    3.289   47.3   13.1   111   31.5 
2026-07-13 00:00 UT   10 36 18.2   +10 11 16     3.907    3.292   46.6   13.0   111   31.5 
2026-07-14 00:00 UT   10 37 20.0   +10 04 33     3.921    3.296   45.9   12.8   111   31.6 
2026-07-15 00:00 UT   10 38 22.1   +09 57 48     3.934    3.299   45.2   12.6   111   31.6 

    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.