2021 CP6
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	23 Oct 2025	27.5	3.198 AU	2.220 AU	02h31m	+19°02'	167.3°	3.9°

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 CP6 are:

            e (Eccentricity)                : 0.5267620
            a (Semimajor axis)              : 2.1079236
            i (Inclination)                 : 2.71787
            Ω (Longitude of ascending node) : 305.59472
            ω (Argument of perihelion)      : 278.36345
            M (Mean anomaly)                : 172.70976
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 223.96745
            B (Latitude of perihelion)      : -2.68894
            P (Orbital period in years)     : 3.06            
        

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
2025-10-23 00:00 UT   02 31 39.8   +19 02 29     2.220    3.198  167.3    3.9   234   27.5 
2025-10-23 07:19 UT   02 31 19.9   +19 01 00     2.219    3.198  167.6    3.8   233   27.5 
2025-10-24 00:00 UT   02 30 34.6   +18 57 37     2.218    3.199  168.4    3.6   232   27.5 
2025-10-25 00:00 UT   02 29 29.1   +18 52 41     2.216    3.200  169.6    3.2   230   27.5 
2025-10-26 00:00 UT   02 28 23.3   +18 47 40     2.215    3.200  170.8    2.9   226   27.4 
2025-10-27 00:00 UT   02 27 17.3   +18 42 34     2.214    3.201  171.9    2.5   222   27.4 
2025-10-28 00:00 UT   02 26 11.1   +18 37 23     2.213    3.202  173.0    2.2   217   27.4 
2025-10-29 00:00 UT   02 25 04.8   +18 32 08     2.213    3.203  174.0    1.9   210   27.4 
2025-10-30 00:00 UT   02 23 58.5   +18 26 50     2.213    3.203  174.9    1.6   201   27.4 
2025-10-31 00:00 UT   02 22 52.2   +18 21 27     2.213    3.204  175.6    1.4   188   27.3 
2025-11-01 00:00 UT   02 21 46.0   +18 16 02     2.214    3.205  176.0    1.2   171   27.3 
2025-11-02 00:00 UT   02 20 40.0   +18 10 33     2.215    3.205  176.0    1.2   152   27.3 
2025-11-03 00:00 UT   02 19 34.1   +18 05 02     2.216    3.206  175.6    1.3   135   27.3 
2025-11-04 00:00 UT   02 18 28.5   +17 59 28     2.217    3.206  175.0    1.6   122   27.4 
2025-11-05 00:00 UT   02 17 23.2   +17 53 52     2.219    3.207  174.1    1.8   112   27.4 
2025-11-06 00:00 UT   02 16 18.3   +17 48 15     2.221    3.208  173.1    2.1   105   27.4 
2025-11-07 00:00 UT   02 15 13.8   +17 42 35     2.224    3.208  172.0    2.5   100   27.4 
2025-11-08 00:00 UT   02 14 09.7   +17 36 55     2.227    3.209  170.9    2.8    96   27.5 
2025-11-09 00:00 UT   02 13 06.3   +17 31 14     2.230    3.209  169.7    3.2    93   27.5 
2025-11-10 00:00 UT   02 12 03.3   +17 25 32     2.233    3.210  168.5    3.5    90   27.5 
2025-11-11 00:00 UT   02 11 01.1   +17 19 50     2.237    3.210  167.3    3.9    88   27.5 
2025-11-12 00:00 UT   02 09 59.5   +17 14 09     2.241    3.211  166.1    4.2    86   27.6 
2025-11-13 00:00 UT   02 08 58.6   +17 08 27     2.245    3.211  164.9    4.6    85   27.6 
2025-11-14 00:00 UT   02 07 58.5   +17 02 47     2.250    3.212  163.7    5.0    84   27.6 
2025-11-15 00:00 UT   02 06 59.3   +16 57 08     2.255    3.212  162.5    5.3    83   27.6 
2025-11-16 00:00 UT   02 06 00.9   +16 51 30     2.260    3.213  161.2    5.7    82   27.7 
2025-11-17 00:00 UT   02 05 03.5   +16 45 54     2.266    3.213  160.0    6.0    81   27.7 
2025-11-18 00:00 UT   02 04 07.0   +16 40 20     2.272    3.213  158.8    6.4    80   27.7 
2025-11-19 00:00 UT   02 03 11.5   +16 34 49     2.278    3.214  157.5    6.7    79   27.7 
2025-11-20 00:00 UT   02 02 17.1   +16 29 21     2.284    3.214  156.3    7.1    79   27.8 
2025-11-21 00:00 UT   02 01 23.8   +16 23 56     2.291    3.214  155.1    7.4    78   27.8 
2025-11-22 00:00 UT   02 00 31.6   +16 18 34     2.298    3.215  153.9    7.8    78   27.8 

    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.