(811221) 2022 FR3
ephemeris date magn radius delta ra dec elong phase
Today16 Jan 202628.02.658 AU3.528 AU21h29m-17°23'23.9°8.6°
(811221) 2022 FR3 - 2026-01-16
astro.vanbuitenen.nl


 
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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 2022 FR3 are:

            e (Eccentricity)                : 0.5160802
            a (Semimajor axis)              : 2.0827047
            i (Inclination)                 : 5.26005
            Ω (Longitude of ascending node) : 6.27642
            ω (Argument of perihelion)      : 175.95005
            M (Mean anomaly)                : 79.03652
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 2.24347
            B (Latitude of perihelion)      : 0.37098
            P (Orbital period in years)     : 3.01            
        

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
2026-01-16 00:00 UT   21 29 50.4   -17 23 56     3.528    2.658   23.9    8.6    77   28.0 
2026-01-16 20:45 UT   21 31 11.5   -17 16 47     3.536    2.662   23.3    8.4    77   28.0 
2026-01-17 00:00 UT   21 31 24.2   -17 15 40     3.538    2.662   23.2    8.4    77   28.0 
2026-01-18 00:00 UT   21 32 57.8   -17 07 23     3.547    2.666   22.6    8.2    77   28.0 
2026-01-19 00:00 UT   21 34 31.2   -16 59 05     3.557    2.670   22.0    7.9    77   28.0 
2026-01-20 00:00 UT   21 36 04.4   -16 50 46     3.566    2.674   21.4    7.7    77   28.0 
2026-01-21 00:00 UT   21 37 37.4   -16 42 25     3.576    2.678   20.8    7.5    77   28.0 
2026-01-22 00:00 UT   21 39 10.2   -16 34 02     3.585    2.682   20.1    7.3    78   28.0 
2026-01-23 00:00 UT   21 40 42.8   -16 25 39     3.594    2.686   19.5    7.0    78   28.0 
2026-01-24 00:00 UT   21 42 15.1   -16 17 14     3.602    2.690   18.9    6.8    78   28.0 
2026-01-25 00:00 UT   21 43 47.3   -16 08 48     3.611    2.694   18.3    6.6    78   28.0 
2026-01-26 00:00 UT   21 45 19.2   -16 00 21     3.619    2.698   17.7    6.4    78   28.0 
2026-01-27 00:00 UT   21 46 50.9   -15 51 53     3.628    2.702   17.1    6.1    78   28.0 
2026-01-28 00:00 UT   21 48 22.4   -15 43 24     3.636    2.706   16.4    5.9    78   28.0 
2026-01-29 00:00 UT   21 49 53.7   -15 34 53     3.644    2.710   15.8    5.7    79   28.0 
2026-01-30 00:00 UT   21 51 24.7   -15 26 22     3.652    2.713   15.2    5.5    79   28.0 
2026-01-31 00:00 UT   21 52 55.5   -15 17 50     3.659    2.717   14.6    5.2    79   28.0 
2026-02-01 00:00 UT   21 54 26.1   -15 09 17     3.667    2.721   14.0    5.0    79   28.0 
2026-02-02 00:00 UT   21 55 56.5   -15 00 43     3.674    2.725   13.4    4.8    80   28.0 
2026-02-03 00:00 UT   21 57 26.7   -14 52 08     3.681    2.729   12.7    4.6    80   28.0 
2026-02-04 00:00 UT   21 58 56.6   -14 43 32     3.688    2.732   12.1    4.3    80   28.0 
2026-02-05 00:00 UT   22 00 26.3   -14 34 56     3.695    2.736   11.5    4.1    81   28.0 
2026-02-06 00:00 UT   22 01 55.8   -14 26 19     3.702    2.740   10.9    3.9    81   28.0 


    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.