2021 RU14
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	13 Nov 2025	29.7	2.092 AU	2.112 AU	10h33m	+12°52'	75.2°	27.2°

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
2025-11-13 00:00 UT   10 33 45.0   +12 52 32     2.112    2.092   75.2   27.2   293   29.7 
2025-11-13 19:52 UT   10 34 38.9   +12 47 59     2.107    2.098   75.8   27.2   293   29.7 
2025-11-14 00:00 UT   10 34 50.0   +12 47 03     2.106    2.099   76.0   27.2   293   29.7 
2025-11-15 00:00 UT   10 35 53.8   +12 41 41     2.100    2.106   76.7   27.2   293   29.7 
2025-11-16 00:00 UT   10 36 56.2   +12 36 26     2.094    2.112   77.4   27.2   293   29.7 
2025-11-17 00:00 UT   10 37 57.3   +12 31 19     2.088    2.119   78.2   27.2   293   29.7 
2025-11-18 00:00 UT   10 38 57.1   +12 26 19     2.081    2.126   78.9   27.2   293   29.7 
2025-11-19 00:00 UT   10 39 55.5   +12 21 27     2.075    2.133   79.7   27.1   293   29.7 
2025-11-20 00:00 UT   10 40 52.5   +12 16 43     2.069    2.140   80.5   27.1   293   29.7 
2025-11-21 00:00 UT   10 41 48.2   +12 12 06     2.062    2.146   81.2   27.1   293   29.7 
2025-11-22 00:00 UT   10 42 42.5   +12 07 38     2.056    2.153   82.0   27.0   293   29.7 
2025-11-23 00:00 UT   10 43 35.3   +12 03 18     2.049    2.160   82.8   27.0   293   29.7 
2025-11-24 00:00 UT   10 44 26.8   +11 59 06     2.042    2.167   83.6   26.9   293   29.7 
2025-11-25 00:00 UT   10 45 16.8   +11 55 02     2.035    2.173   84.4   26.9   293   29.7 
2025-11-26 00:00 UT   10 46 05.4   +11 51 08     2.029    2.180   85.2   26.8   293   29.7 
2025-11-27 00:00 UT   10 46 52.5   +11 47 21     2.022    2.187   86.0   26.8   292   29.7 
2025-11-28 00:00 UT   10 47 38.1   +11 43 44     2.015    2.193   86.8   26.7   292   29.7 
2025-11-29 00:00 UT   10 48 22.2   +11 40 15     2.008    2.200   87.6   26.6   292   29.7 
2025-11-30 00:00 UT   10 49 04.8   +11 36 56     2.001    2.207   88.4   26.5   292   29.7 
2025-12-01 00:00 UT   10 49 46.0   +11 33 45     1.994    2.213   89.3   26.5   292   29.7 
2025-12-02 00:00 UT   10 50 25.6   +11 30 44     1.987    2.220   90.1   26.4   292   29.7 
2025-12-03 00:00 UT   10 51 03.6   +11 27 52     1.980    2.226   91.0   26.3   292   29.7 
2025-12-04 00:00 UT   10 51 40.1   +11 25 10     1.972    2.233   91.8   26.2   292   29.6 
2025-12-05 00:00 UT   10 52 15.0   +11 22 37     1.965    2.239   92.7   26.1   292   29.6 
2025-12-06 00:00 UT   10 52 48.4   +11 20 13     1.958    2.246   93.6   26.0   292   29.6 
2025-12-07 00:00 UT   10 53 20.1   +11 17 60     1.951    2.252   94.4   25.9   292   29.6 
2025-12-08 00:00 UT   10 53 50.2   +11 15 56     1.943    2.259   95.3   25.7   292   29.6 
2025-12-09 00:00 UT   10 54 18.7   +11 14 02     1.936    2.265   96.2   25.6   292   29.6 
2025-12-10 00:00 UT   10 54 45.5   +11 12 19     1.929    2.272   97.1   25.5   292   29.6 
2025-12-11 00:00 UT   10 55 10.6   +11 10 45     1.922    2.278   98.0   25.3   292   29.6 
2025-12-12 00:00 UT   10 55 34.1   +11 09 22     1.914    2.285   98.9   25.2   292   29.6 
2025-12-13 00:00 UT   10 55 55.8   +11 08 10     1.907    2.291   99.9   25.0   292   29.6 

    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.