C/2022 N1 (Attard-Maury)
ephemeris	date	magn	radius	delta	ra	dec	elong	phase	PA
Nearest approach	23 Jul 2022	17.8	1.621 AU	0.613 AU	19h20m	-17°50'	168.4°	7.2°	103°
Perihelion	9 Sep 2022	19.6	1.479 AU	1.710 AU	15h02m	-08°15'	59.4°	35.9°	101°
Today	17 Nov 2025	32.0	10.465 AU	10.111 AU	08h38m	+18°31'	108.4°	5.1°	285°

The interactive orbit chart above shows the comet'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.)

Light curve

The light curve chart below shows the estimated development of the comet's magnitude. Blue and black dots are visual and photometric CCD observations from COBS. This lightcurve is being recalculated every 6 hours based on the available COBS/MPC observations (currently 16.8 + 5 log[∆] + 10.0 log[r]). An additional green curve is displayed when an increase in apparent brightness is expected due to forward scattering of sunlight, which occurs when a dust-rich comet is located between the Earth and the Sun. (See Marcus 2007)

Charts

The all-sky chart below shows the path of the comet over the same period as the light curve. The comet's current position is marked yellow.

The following chart shows the short-term path of the comet in a field of view that is optimized for (~10x50) binoculars and finderscopes.

Orbital elements

The orbital elements of C/2022 N1 (Attard-Maury) are:

    e (Eccentricity)                : 0.9594580
    q (Perihelion distance)         : 1.4789340
    i (Inclination)                 : 164.72510
    Ω (Longitude of ascending node) : 301.87890
    ω (Argument of perihelion)      : 40.97830
    L (Longitude of perihelion)     : 261.91804
    B (Latitude of perihelion)      : 9.94855
    T (Time of perihelion passage)  : 2459832.02180
    P (Orbital period in years)     : 220.33

    Epoch                           : 2025 Nov 12
    Reference                       : MPC186629

    Classification(s):              : Nearly isotropic; Returning (a < 10000 AU); External (P > 200 years)

Ephemerides

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2025-11-16 00:00 UT   08 38 34.2   +18 30 10    10.132   10.453  106.3    5.2   285   32.0 
2025-11-17 00:00 UT   08 38 22.1   +18 30 40    10.121   10.459  107.3    5.2   285   32.0 
2025-11-17 23:15 UT   08 38 10.0   +18 31 10    10.111   10.465  108.4    5.1   285   32.0 
2025-11-18 00:00 UT   08 38 09.7   +18 31 11    10.111   10.466  108.4    5.1   285   32.0 
2025-11-19 00:00 UT   08 37 56.8   +18 31 44    10.101   10.472  109.5    5.1   285   32.0 
2025-11-20 00:00 UT   08 37 43.4   +18 32 18    10.091   10.478  110.5    5.1   285   32.0 
2025-11-21 00:00 UT   08 37 29.7   +18 32 53    10.080   10.485  111.6    5.0   285   32.0 
2025-11-22 00:00 UT   08 37 15.5   +18 33 30    10.070   10.491  112.7    5.0   285   32.0 
2025-11-23 00:00 UT   08 37 00.9   +18 34 09    10.061   10.497  113.7    4.9   285   32.0 
2025-11-24 00:00 UT   08 36 45.9   +18 34 49    10.051   10.504  114.8    4.9   285   32.0 
2025-11-25 00:00 UT   08 36 30.5   +18 35 30    10.041   10.510  115.9    4.8   285   32.0 
2025-11-26 00:00 UT   08 36 14.6   +18 36 13    10.032   10.517  116.9    4.8   285   32.0 
2025-11-27 00:00 UT   08 35 58.3   +18 36 57    10.023   10.523  118.0    4.7   284   32.0 

    Terminology:
            
    delta:  distance between comet and earth in AU
    radius: distance between comet 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-comet)    
    phase:  phase angle in degrees (angle sun-comet-earth)        
    AU:     Astronomical Unit (mean distance between earth and sun: 149597870.7 km      
    

Orbital elements usually provided by the MPC (Minor Planet Center).
Observations contributed by observers worldwide, via COBS (Comet Observation Database) or 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.