(285571) 2000 PQ9
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	4 Nov 2025	24.1	2.599 AU	2.979 AU	10h50m	+01°33'	58.3°	19.0°

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 2000 PQ9 are:

            e (Eccentricity)                : 0.4324411
            a (Semimajor axis)              : 1.9035657
            i (Inclination)                 : 13.48267
            Ω (Longitude of ascending node) : 297.16245
            ω (Argument of perihelion)      : 7.05697
            M (Mean anomaly)                : 231.96153
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 304.02681
            B (Latitude of perihelion)      : 1.64141
            P (Orbital period in years)     : 2.63            
        

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
2025-11-04 00:00 UT   10 50 02.7   +01 33 04     2.979    2.599   58.3   19.0   289   24.1 
2025-11-04 15:07 UT   10 50 45.9   +01 26 22     2.970    2.598   58.8   19.1   289   24.1 
2025-11-05 00:00 UT   10 51 11.3   +01 22 26     2.964    2.597   59.0   19.1   289   24.1 
2025-11-06 00:00 UT   10 52 19.5   +01 11 48     2.950    2.595   59.7   19.3   289   24.0 
2025-11-07 00:00 UT   10 53 27.2   +01 01 09     2.936    2.593   60.4   19.4   289   24.0 
2025-11-08 00:00 UT   10 54 34.6   +00 50 30     2.921    2.591   61.0   19.5   289   24.0 
2025-11-09 00:00 UT   10 55 41.5   +00 39 50     2.907    2.588   61.7   19.7   289   24.0 
2025-11-10 00:00 UT   10 56 48.0   +00 29 09     2.892    2.586   62.4   19.8   290   24.0 
2025-11-11 00:00 UT   10 57 54.0   +00 18 28     2.877    2.584   63.1   20.0   290   24.0 
2025-11-12 00:00 UT   10 58 59.5   +00 07 46     2.862    2.582   63.7   20.1   290   24.0 
2025-11-13 00:00 UT   11 00 04.6   +00 02 57     2.847    2.579   64.4   20.2   290   24.0 
2025-11-14 00:00 UT   11 01 09.2   +00 13 40     2.832    2.577   65.1   20.4   290   24.0 
2025-11-15 00:00 UT   11 02 13.3   +00 24 23     2.817    2.575   65.8   20.5   290   24.0 
2025-11-16 00:00 UT   11 03 16.9   +00 35 06     2.802    2.573   66.5   20.6   290   24.0 
2025-11-17 00:00 UT   11 04 20.0   +00 45 50     2.787    2.570   67.2   20.8   290   23.9 
2025-11-18 00:00 UT   11 05 22.6   +00 56 35     2.771    2.568   67.9   20.9   290   23.9 
2025-11-19 00:00 UT   11 06 24.6   -01 07 19     2.756    2.565   68.6   21.0   290   23.9 
2025-11-20 00:00 UT   11 07 26.1   -01 18 04     2.740    2.563   69.3   21.1   291   23.9 
2025-11-21 00:00 UT   11 08 27.0   -01 28 49     2.725    2.561   70.0   21.3   291   23.9 
2025-11-22 00:00 UT   11 09 27.3   -01 39 34     2.709    2.558   70.7   21.4   291   23.9 
2025-11-23 00:00 UT   11 10 27.1   -01 50 18     2.694    2.556   71.4   21.5   291   23.9 
2025-11-24 00:00 UT   11 11 26.3   -02 01 03     2.678    2.553   72.1   21.6   291   23.9 
2025-11-25 00:00 UT   11 12 24.8   -02 11 48     2.662    2.551   72.8   21.7   291   23.9 
2025-11-26 00:00 UT   11 13 22.8   -02 22 33     2.646    2.548   73.5   21.8   291   23.9 
2025-11-27 00:00 UT   11 14 20.1   -02 33 17     2.630    2.546   74.2   21.9   291   23.8 
2025-11-28 00:00 UT   11 15 16.8   -02 44 02     2.614    2.543   75.0   22.0   291   23.8 
2025-11-29 00:00 UT   11 16 12.8   -02 54 46     2.598    2.541   75.7   22.1   291   23.8 
2025-11-30 00:00 UT   11 17 08.1   -03 05 30     2.582    2.538   76.4   22.2   291   23.8 
2025-12-01 00:00 UT   11 18 02.8   -03 16 13     2.566    2.536   77.1   22.3   292   23.8 

    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.