2021 RU14
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	3 Aug 2026	31.6	3.356 AU	4.166 AU	10h58m	+07°45'	32.5°	9.4°

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
2026-08-03 00:00 UT   10 58 29.7   +07 45 19     4.166    3.356   32.5    9.4   111   31.6 
2026-08-03 08:32 UT   10 58 52.7   +07 42 46     4.170    3.357   32.3    9.3   111   31.6 
2026-08-04 00:00 UT   10 59 34.5   +07 38 09     4.177    3.358   31.9    9.2   111   31.6 
2026-08-05 00:00 UT   11 00 39.3   +07 30 58     4.187    3.361   31.2    9.0   111   31.6 
2026-08-06 00:00 UT   11 01 44.3   +07 23 46     4.198    3.364   30.5    8.8   111   31.6 
2026-08-07 00:00 UT   11 02 49.3   +07 16 32     4.208    3.367   29.9    8.6   111   31.6 
2026-08-08 00:00 UT   11 03 54.4   +07 09 18     4.218    3.370   29.2    8.4   111   31.6 
2026-08-09 00:00 UT   11 04 59.6   +07 02 03     4.228    3.372   28.6    8.3   111   31.6 
2026-08-10 00:00 UT   11 06 04.9   +06 54 47     4.238    3.375   27.9    8.1   111   31.6 
2026-08-11 00:00 UT   11 07 10.3   +06 47 30     4.247    3.378   27.2    7.9   111   31.6 
2026-08-12 00:00 UT   11 08 15.7   +06 40 12     4.257    3.381   26.6    7.7   111   31.6 
2026-08-13 00:00 UT   11 09 21.2   +06 32 53     4.266    3.384   25.9    7.5   111   31.6 
2026-08-14 00:00 UT   11 10 26.8   +06 25 34     4.275    3.386   25.2    7.3   111   31.6 
2026-08-15 00:00 UT   11 11 32.4   +06 18 14     4.284    3.389   24.6    7.1   111   31.6 
2026-08-16 00:00 UT   11 12 38.1   +06 10 53     4.292    3.392   23.9    7.0   111   31.6 
2026-08-17 00:00 UT   11 13 43.8   +06 03 32     4.301    3.394   23.3    6.8   111   31.6 
2026-08-18 00:00 UT   11 14 49.6   +05 56 10     4.309    3.397   22.6    6.6   111   31.6 
2026-08-19 00:00 UT   11 15 55.4   +05 48 47     4.317    3.400   21.9    6.4   111   31.6 
2026-08-20 00:00 UT   11 17 01.2   +05 41 24     4.325    3.402   21.3    6.2   110   31.6 
2026-08-21 00:00 UT   11 18 07.1   +05 34 00     4.333    3.405   20.6    6.0   110   31.6 
2026-08-22 00:00 UT   11 19 13.0   +05 26 36     4.341    3.408   19.9    5.8   110   31.6 
2026-08-23 00:00 UT   11 20 18.9   +05 19 12     4.348    3.410   19.3    5.6   110   31.5 
2026-08-24 00:00 UT   11 21 24.9   +05 11 46     4.355    3.413   18.6    5.4   110   31.5 
2026-08-25 00:00 UT   11 22 30.8   +05 04 21     4.363    3.415   18.0    5.2   110   31.5 
2026-08-26 00:00 UT   11 23 36.8   +04 56 55     4.369    3.418   17.3    5.0   110   31.5 
2026-08-27 00:00 UT   11 24 42.8   +04 49 29     4.376    3.420   16.6    4.9   110   31.5 
2026-08-28 00:00 UT   11 25 48.9   +04 42 02     4.383    3.423   16.0    4.7   110   31.5 
2026-08-29 00:00 UT   11 26 54.9   +04 34 36     4.389    3.425   15.3    4.5   110   31.5 
2026-08-30 00:00 UT   11 28 00.9   +04 27 08     4.395    3.428   14.6    4.3   110   31.5 
2026-08-31 00:00 UT   11 29 07.0   +04 19 41     4.401    3.430   14.0    4.1   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.