2021 GM2
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	20 Oct 2025	31.1	3.067 AU	2.619 AU	06h36m	+16°04'	107.4°	18.0°

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 GM2 are:

            e (Eccentricity)                : 0.5605803
            a (Semimajor axis)              : 1.9957326
            i (Inclination)                 : 6.49519
            Ω (Longitude of ascending node) : 192.46105
            ω (Argument of perihelion)      : 59.58938
            M (Mean anomaly)                : 147.15519
            Epoch                           : 2025 May 05

            L (Longitude of perihelion)     : 251.88911
            B (Latitude of perihelion)      : 5.59850
            P (Orbital period in years)     : 2.82            
        

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
2025-10-20 00:00 UT   06 36 58.9   +16 04 20     2.619    3.067  107.4   18.0   276   31.1 
2025-10-20 15:08 UT   06 37 02.2   +16 02 34     2.609    3.067  108.0   18.0   276   31.1 
2025-10-21 00:00 UT   06 37 03.8   +16 01 32     2.603    3.066  108.4   17.9   276   31.1 
2025-10-22 00:00 UT   06 37 07.2   +15 58 45     2.588    3.065  109.3   17.8   276   31.1 
2025-10-23 00:00 UT   06 37 09.1   +15 55 58     2.573    3.064  110.3   17.7   276   31.0 
2025-10-24 00:00 UT   06 37 09.6   +15 53 12     2.557    3.062  111.3   17.6   277   31.0 
2025-10-25 00:00 UT   06 37 08.6   +15 50 26     2.542    3.061  112.3   17.5   277   31.0 
2025-10-26 00:00 UT   06 37 06.0   +15 47 41     2.527    3.060  113.3   17.4   277   31.0 
2025-10-27 00:00 UT   06 37 01.9   +15 44 57     2.512    3.058  114.3   17.2   277   31.0 
2025-10-28 00:00 UT   06 36 56.3   +15 42 13     2.497    3.057  115.3   17.1   277   30.9 
2025-10-29 00:00 UT   06 36 49.1   +15 39 30     2.483    3.055  116.3   16.9   277   30.9 
2025-10-30 00:00 UT   06 36 40.3   +15 36 48     2.468    3.054  117.3   16.8   278   30.9 
2025-10-31 00:00 UT   06 36 30.0   +15 34 07     2.454    3.052  118.3   16.6   278   30.9 
2025-11-01 00:00 UT   06 36 18.0   +15 31 27     2.439    3.051  119.4   16.5   278   30.9 
2025-11-02 00:00 UT   06 36 04.5   +15 28 48     2.425    3.049  120.4   16.3   278   30.9 
2025-11-03 00:00 UT   06 35 49.4   +15 26 10     2.411    3.048  121.4   16.1   278   30.8 
2025-11-04 00:00 UT   06 35 32.6   +15 23 33     2.397    3.046  122.5   15.9   279   30.8 
2025-11-05 00:00 UT   06 35 14.2   +15 20 57     2.383    3.045  123.5   15.7   279   30.8 
2025-11-06 00:00 UT   06 34 54.2   +15 18 23     2.369    3.043  124.6   15.6   279   30.8 
2025-11-07 00:00 UT   06 34 32.5   +15 15 49     2.355    3.042  125.7   15.3   279   30.8 
2025-11-08 00:00 UT   06 34 09.2   +15 13 18     2.342    3.040  126.7   15.1   279   30.7 
2025-11-09 00:00 UT   06 33 44.2   +15 10 47     2.329    3.038  127.8   14.9   280   30.7 
2025-11-10 00:00 UT   06 33 17.5   +15 08 19     2.315    3.037  128.9   14.7   280   30.7 
2025-11-11 00:00 UT   06 32 49.2   +15 05 51     2.302    3.035  130.0   14.5   280   30.7 
2025-11-12 00:00 UT   06 32 19.2   +15 03 26     2.290    3.034  131.1   14.2   280   30.6 
2025-11-13 00:00 UT   06 31 47.5   +15 01 02     2.277    3.032  132.2   14.0   281   30.6 
2025-11-14 00:00 UT   06 31 14.1   +14 58 40     2.265    3.030  133.3   13.7   281   30.6 
2025-11-15 00:00 UT   06 30 39.0   +14 56 19     2.252    3.028  134.4   13.5   281   30.6 
2025-11-16 00:00 UT   06 30 02.3   +14 54 01     2.240    3.027  135.6   13.2   282   30.6 
2025-11-17 00:00 UT   06 29 23.9   +14 51 44     2.228    3.025  136.7   13.0   282   30.5 
2025-11-18 00:00 UT   06 28 43.8   +14 49 30     2.217    3.023  137.8   12.7   282   30.5 
2025-11-19 00:00 UT   06 28 02.1   +14 47 17     2.205    3.021  139.0   12.4   283   30.5 

    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.