2021 QM1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Mar 2026	29.0	2.348 AU	2.170 AU	18h28m	-21°39'	87.5°	25.1°

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 QM1 are:

            e (Eccentricity)                : 0.6724217
            a (Semimajor axis)              : 1.5288945
            i (Inclination)                 : 1.75952
            Ω (Longitude of ascending node) : 192.78946
            ω (Argument of perihelion)      : 255.56751
            M (Mean anomaly)                : 54.88824
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 268.35045
            B (Latitude of perihelion)      : -1.70398
            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
2026-03-25 00:00 UT   18 28 04.3   -21 39 19     2.170    2.348   87.5   25.1   267   29.0 
2026-03-25 20:07 UT   18 28 35.3   -21 38 17     2.161    2.351   88.2   25.1   267   29.0 
2026-03-26 00:00 UT   18 28 41.1   -21 38 05     2.159    2.352   88.3   25.1   267   29.0 
2026-03-27 00:00 UT   18 29 16.5   -21 36 50     2.148    2.355   89.2   25.1   267   29.0 
2026-03-28 00:00 UT   18 29 50.3   -21 35 36     2.137    2.359   90.0   25.0   267   29.0 
2026-03-29 00:00 UT   18 30 22.5   -21 34 21     2.126    2.362   90.9   25.0   267   28.9 
2026-03-30 00:00 UT   18 30 53.2   -21 33 07     2.115    2.366   91.8   25.0   267   28.9 
2026-03-31 00:00 UT   18 31 22.3   -21 31 54     2.103    2.369   92.6   24.9   267   28.9 
2026-04-01 00:00 UT   18 31 49.7   -21 30 41     2.092    2.373   93.5   24.9   267   28.9 
2026-04-02 00:00 UT   18 32 15.5   -21 29 28     2.081    2.376   94.4   24.8   267   28.9 
2026-04-03 00:00 UT   18 32 39.7   -21 28 16     2.069    2.380   95.3   24.7   267   28.9 
2026-04-04 00:00 UT   18 33 02.2   -21 27 04     2.058    2.383   96.2   24.7   267   28.9 
2026-04-05 00:00 UT   18 33 22.9   -21 25 53     2.047    2.386   97.1   24.6   266   28.9 
2026-04-06 00:00 UT   18 33 41.9   -21 24 43     2.035    2.390   98.0   24.5   266   28.9 
2026-04-07 00:00 UT   18 33 59.2   -21 23 33     2.024    2.393   98.9   24.4   266   28.9 
2026-04-08 00:00 UT   18 34 14.6   -21 22 25     2.013    2.396   99.8   24.3   266   28.8 
2026-04-09 00:00 UT   18 34 28.3   -21 21 17     2.001    2.399  100.8   24.2   266   28.8 
2026-04-10 00:00 UT   18 34 40.1   -21 20 11     1.990    2.403  101.7   24.1   266   28.8 
2026-04-11 00:00 UT   18 34 50.1   -21 19 05     1.979    2.406  102.6   24.0   266   28.8 
2026-04-12 00:00 UT   18 34 58.2   -21 18 00     1.967    2.409  103.6   23.9   266   28.8 
2026-04-13 00:00 UT   18 35 04.3   -21 16 57     1.956    2.412  104.5   23.7   266   28.8 
2026-04-14 00:00 UT   18 35 08.5   -21 15 55     1.945    2.415  105.5   23.6   266   28.8 
2026-04-15 00:00 UT   18 35 10.8   -21 14 54     1.934    2.418  106.5   23.4   266   28.7 
2026-04-16 00:00 UT   18 35 11.0   -21 13 54     1.923    2.421  107.4   23.3   266   28.7 
2026-04-17 00:00 UT   18 35 09.3   -21 12 56     1.911    2.424  108.4   23.1   266   28.7 
2026-04-18 00:00 UT   18 35 05.5   -21 11 59     1.900    2.427  109.4   23.0   266   28.7 
2026-04-19 00:00 UT   18 34 59.6   -21 11 04     1.889    2.429  110.4   22.8   266   28.7 
2026-04-20 00:00 UT   18 34 51.7   -21 10 10     1.878    2.432  111.4   22.6   266   28.7 
2026-04-21 00:00 UT   18 34 41.6   -21 09 17     1.867    2.435  112.4   22.4   266   28.7 
2026-04-22 00:00 UT   18 34 29.5   -21 08 26     1.857    2.438  113.5   22.2   266   28.6 
2026-04-23 00:00 UT   18 34 15.2   -21 07 36     1.846    2.441  114.5   22.0   266   28.6 
2026-04-24 00:00 UT   18 33 58.8   -21 06 48     1.835    2.443  115.5   21.8   266   28.6 

    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.