2021 QM1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	22 Sep 2026	29.4	2.492 AU	2.540 AU	16h53m	-20°49'	75.8°	23.0°

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 QM1 are:

            e (Eccentricity)                : 0.6723545
            a (Semimajor axis)              : 1.5290082
            i (Inclination)                 : 1.75935
            Ω (Longitude of ascending node) : 192.78067
            ω (Argument of perihelion)      : 255.58256
            M (Mean anomaly)                : 159.14566
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 268.35671
            B (Latitude of perihelion)      : -1.70393
            P (Orbital period in years)     : 1.89            
        

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
2026-09-22 00:00 UT   16 53 29.9   -20 49 45     2.540    2.492   75.8   23.0    96   29.4 
2026-09-22 13:10 UT   16 53 59.9   -20 50 51     2.547    2.491   75.4   22.9    96   29.4 
2026-09-23 00:00 UT   16 54 24.8   -20 51 46     2.552    2.490   75.1   22.9    96   29.4 
2026-09-24 00:00 UT   16 55 20.7   -20 53 46     2.564    2.488   74.3   22.8    96   29.4 
2026-09-25 00:00 UT   16 56 17.6   -20 55 47     2.576    2.486   73.6   22.8    96   29.4 
2026-09-26 00:00 UT   16 57 15.5   -20 57 47     2.588    2.484   72.8   22.7    96   29.4 
2026-09-27 00:00 UT   16 58 14.3   -20 59 47     2.600    2.482   72.1   22.6    96   29.4 
2026-09-28 00:00 UT   16 59 14.2   -21 01 47     2.612    2.480   71.3   22.5    95   29.4 
2026-09-29 00:00 UT   17 00 14.9   -21 03 47     2.623    2.478   70.6   22.4    95   29.4 
2026-09-30 00:00 UT   17 01 16.6   -21 05 45     2.635    2.475   69.8   22.3    95   29.4 
2026-10-01 00:00 UT   17 02 19.2   -21 07 43     2.646    2.473   69.1   22.2    95   29.4 
2026-10-02 00:00 UT   17 03 22.7   -21 09 41     2.658    2.471   68.4   22.1    95   29.4 
2026-10-03 00:00 UT   17 04 27.1   -21 11 38     2.669    2.468   67.6   22.0    95   29.4 
2026-10-04 00:00 UT   17 05 32.5   -21 13 33     2.680    2.466   66.9   21.9    95   29.5 
2026-10-05 00:00 UT   17 06 38.6   -21 15 28     2.691    2.464   66.2   21.8    95   29.5 
2026-10-06 00:00 UT   17 07 45.7   -21 17 22     2.702    2.461   65.5   21.7    94   29.5 
2026-10-07 00:00 UT   17 08 53.6   -21 19 15     2.713    2.459   64.7   21.6    94   29.5 
2026-10-08 00:00 UT   17 10 02.4   -21 21 07     2.724    2.456   64.0   21.5    94   29.5 
2026-10-09 00:00 UT   17 11 12.0   -21 22 57     2.734    2.454   63.3   21.3    94   29.5 
2026-10-10 00:00 UT   17 12 22.4   -21 24 46     2.745    2.451   62.6   21.2    94   29.5 
2026-10-11 00:00 UT   17 13 33.7   -21 26 34     2.755    2.449   61.9   21.1    94   29.5 
2026-10-12 00:00 UT   17 14 45.8   -21 28 20     2.765    2.446   61.2   21.0    94   29.5 
2026-10-13 00:00 UT   17 15 58.6   -21 30 04     2.776    2.443   60.5   20.8    93   29.5 
2026-10-14 00:00 UT   17 17 12.3   -21 31 47     2.786    2.441   59.8   20.7    93   29.5 
2026-10-15 00:00 UT   17 18 26.7   -21 33 28     2.795    2.438   59.1   20.5    93   29.5 
2026-10-16 00:00 UT   17 19 41.9   -21 35 07     2.805    2.435   58.4   20.4    93   29.5 
2026-10-17 00:00 UT   17 20 57.8   -21 36 44     2.815    2.432   57.7   20.3    93   29.5 
2026-10-18 00:00 UT   17 22 14.4   -21 38 20     2.824    2.429   57.0   20.1    93   29.5 
2026-10-19 00:00 UT   17 23 31.8   -21 39 53     2.834    2.427   56.3   20.0    93   29.5 
2026-10-20 00:00 UT   17 24 49.9   -21 41 24     2.843    2.424   55.6   19.8    92   29.5 
2026-10-21 00:00 UT   17 26 08.7   -21 42 53     2.852    2.421   54.9   19.7    92   29.5 
2026-10-22 00:00 UT   17 27 28.3   -21 44 20     2.861    2.418   54.2   19.5    92   29.5 

    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.