2021 RU14
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	1 Jun 2026	31.2	3.148 AU	3.229 AU	09h57m	+14°22'	76.3°	18.2°

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 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
2026-06-01 00:00 UT   09 57 25.3   +14 22 37     3.229    3.148   76.3   18.2   110   31.2 
2026-06-01 00:11 UT   09 57 25.6   +14 22 34     3.230    3.148   76.3   18.2   110   31.2 
2026-06-02 00:00 UT   09 58 12.4   +14 17 28     3.247    3.152   75.6   18.2   110   31.2 
2026-06-03 00:00 UT   09 58 60.0   +14 12 17     3.265    3.155   74.8   18.1   110   31.2 
2026-06-04 00:00 UT   09 59 48.2   +14 07 03     3.283    3.159   74.1   18.0   110   31.3 
2026-06-05 00:00 UT   10 00 36.8   +14 01 46     3.300    3.163   73.3   17.9   110   31.3 
2026-06-06 00:00 UT   10 01 26.0   +13 56 26     3.318    3.166   72.6   17.8   110   31.3 
2026-06-07 00:00 UT   10 02 15.8   +13 51 04     3.336    3.170   71.9   17.7   110   31.3 
2026-06-08 00:00 UT   10 03 06.0   +13 45 38     3.353    3.174   71.1   17.6   110   31.3 
2026-06-09 00:00 UT   10 03 56.6   +13 40 10     3.371    3.177   70.4   17.5   110   31.3 
2026-06-10 00:00 UT   10 04 47.8   +13 34 40     3.388    3.181   69.7   17.4   110   31.3 
2026-06-11 00:00 UT   10 05 39.4   +13 29 06     3.405    3.185   68.9   17.3   110   31.3 
2026-06-12 00:00 UT   10 06 31.5   +13 23 30     3.422    3.188   68.2   17.2   110   31.3 
2026-06-13 00:00 UT   10 07 24.0   +13 17 51     3.439    3.192   67.5   17.1   110   31.3 
2026-06-14 00:00 UT   10 08 17.0   +13 12 10     3.456    3.195   66.8   17.0   110   31.4 
2026-06-15 00:00 UT   10 09 10.3   +13 06 27     3.473    3.199   66.1   16.9   110   31.4 
2026-06-16 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 

    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.