2021 RU14
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	31 Aug 2026	31.5	3.430 AU	4.401 AU	11h29m	+04°19'	14.0°	4.1°

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
2026-08-31 00:00 UT   11 29 07.0   +04 19 41     4.401    3.430   14.0    4.1   110   31.5 
2026-08-31 10:32 UT   11 29 35.9   +04 16 25     4.404    3.432   13.7    4.0   109   31.5 
2026-09-01 00:00 UT   11 30 13.0   +04 12 13     4.407    3.433   13.3    3.9   109   31.5 
2026-09-02 00:00 UT   11 31 19.1   +04 04 46     4.413    3.435   12.6    3.7   109   31.5 
2026-09-03 00:00 UT   11 32 25.1   +03 57 18     4.418    3.438   12.0    3.5   109   31.5 
2026-09-04 00:00 UT   11 33 31.2   +03 49 49     4.424    3.440   11.3    3.3   109   31.5 
2026-09-05 00:00 UT   11 34 37.2   +03 42 21     4.429    3.443   10.6    3.1   109   31.5 
2026-09-06 00:00 UT   11 35 43.2   +03 34 52     4.433    3.445   10.0    2.9   108   31.5 
2026-09-07 00:00 UT   11 36 49.3   +03 27 24     4.438    3.448    9.3    2.7   108   31.5 
2026-09-08 00:00 UT   11 37 55.3   +03 19 55     4.443    3.450    8.7    2.5   108   31.4 
2026-09-09 00:00 UT   11 39 01.3   +03 12 27     4.447    3.452    8.0    2.3   107   31.4 
2026-09-10 00:00 UT   11 40 07.2   +03 04 58     4.451    3.455    7.3    2.1   107   31.4 
2026-09-11 00:00 UT   11 41 13.2   +02 57 30     4.455    3.457    6.7    1.9   106   31.4 
2026-09-12 00:00 UT   11 42 19.1   +02 50 01     4.459    3.459    6.0    1.7   105   31.4 
2026-09-13 00:00 UT   11 43 25.0   +02 42 33     4.462    3.462    5.3    1.5   104   31.4 
2026-09-14 00:00 UT   11 44 30.8   +02 35 05     4.466    3.464    4.7    1.4   103   31.4 
2026-09-15 00:00 UT   11 45 36.6   +02 27 37     4.469    3.466    4.0    1.2   101   31.4 
2026-09-16 00:00 UT   11 46 42.4   +02 20 09     4.472    3.469    3.3    1.0    99   31.3 
2026-09-17 00:00 UT   11 47 48.1   +02 12 42     4.475    3.471    2.7    0.8    96   31.3 
2026-09-18 00:00 UT   11 48 53.7   +02 05 15     4.477    3.473    2.1    0.6    90   31.3 
2026-09-19 00:00 UT   11 49 59.3   +01 57 48     4.480    3.475    1.5    0.4    80   31.3 
2026-09-20 00:00 UT   11 51 04.9   +01 50 22     4.482    3.478    1.0    0.3    57   31.3 
2026-09-21 00:00 UT   11 52 10.4   +01 42 56     4.484    3.480    0.8    0.2    13   31.3 
2026-09-22 00:00 UT   11 53 15.8   +01 35 31     4.486    3.482    1.1    0.3   337   31.3 
2026-09-23 00:00 UT   11 54 21.1   +01 28 06     4.487    3.484    1.7    0.5   321   31.3 
2026-09-24 00:00 UT   11 55 26.4   +01 20 41     4.489    3.486    2.3    0.7   313   31.3 
2026-09-25 00:00 UT   11 56 31.6   +01 13 17     4.490    3.489    3.0    0.9   309   31.4 
2026-09-26 00:00 UT   11 57 36.7   +01 05 54     4.491    3.491    3.6    1.0   306   31.4 
2026-09-27 00:00 UT   11 58 41.8   +00 58 31     4.492    3.493    4.3    1.2   304   31.4 
2026-09-28 00:00 UT   11 59 46.8   +00 51 09     4.492    3.495    5.0    1.4   302   31.4 

    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.