(737) Arequipa
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	8 Nov 2026	15.0	3.219 AU	3.554 AU	10h46m	+00°20'	62.5°	15.8°
Opposition	5 Mar 2027	13.3	3.133 AU	2.145 AU	10h54m	+00°15'	173.8°	2.0°

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 Arequipa are:

            e (Eccentricity)                : 0.2440365
            a (Semimajor axis)              : 2.5938044
            i (Inclination)                 : 12.37031
            Ω (Longitude of ascending node) : 184.43864
            ω (Argument of perihelion)      : 134.80759
            M (Mean anomaly)                : 155.41850
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 139.91915
            B (Latitude of perihelion)      : 8.74231
            P (Orbital period in years)     : 4.18            
        

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
2026-11-08 00:00 UT   10 46 34.2   +00 20 43     3.554    3.219   62.5   15.8   289   15.0 
2026-11-08 03:52 UT   10 46 43.2   +00 19 46     3.552    3.219   62.6   15.9   289   15.0 
2026-11-09 00:00 UT   10 47 30.2   +00 14 47     3.541    3.219   63.2   16.0   289   15.0 
2026-11-10 00:00 UT   10 48 25.8   +00 08 53     3.527    3.218   64.0   16.1   289   15.0 
2026-11-11 00:00 UT   10 49 20.7   +00 03 01     3.513    3.218   64.7   16.2   289   15.0 
2026-11-12 00:00 UT   10 50 15.2   +00 02 48     3.500    3.217   65.5   16.3   289   15.0 
2026-11-13 00:00 UT   10 51 09.0   +00 08 35     3.486    3.217   66.2   16.4   289   15.0 
2026-11-14 00:00 UT   10 52 02.3   +00 14 19     3.472    3.217   67.0   16.4   290   15.0 
2026-11-15 00:00 UT   10 52 55.0   +00 20 01     3.458    3.216   67.8   16.5   290   15.0 
2026-11-16 00:00 UT   10 53 47.1   +00 25 40     3.444    3.216   68.5   16.6   290   15.0 
2026-11-17 00:00 UT   10 54 38.6   +00 31 16     3.430    3.216   69.3   16.7   290   15.0 
2026-11-18 00:00 UT   10 55 29.5   +00 36 49     3.415    3.215   70.1   16.8   290   15.0 
2026-11-19 00:00 UT   10 56 19.8   +00 42 19     3.401    3.215   70.8   16.9   290   15.0 
2026-11-20 00:00 UT   10 57 09.4   +00 47 46     3.387    3.214   71.6   17.0   290   15.0 
2026-11-21 00:00 UT   10 57 58.4   +00 53 10     3.372    3.214   72.4   17.0   290   15.0 
2026-11-22 00:00 UT   10 58 46.8   +00 58 31     3.358    3.214   73.2   17.1   291   15.0 
2026-11-23 00:00 UT   10 59 34.5   -01 03 48     3.343    3.213   73.9   17.2   291   15.0 
2026-11-24 00:00 UT   11 00 21.5   -01 09 02     3.328    3.213   74.7   17.2   291   14.9 
2026-11-25 00:00 UT   11 01 07.9   -01 14 12     3.314    3.212   75.5   17.3   291   14.9 
2026-11-26 00:00 UT   11 01 53.6   -01 19 19     3.299    3.212   76.3   17.4   291   14.9 
2026-11-27 00:00 UT   11 02 38.5   -01 24 21     3.284    3.211   77.1   17.4   291   14.9 
2026-11-28 00:00 UT   11 03 22.8   -01 29 21     3.269    3.211   77.9   17.5   291   14.9 
2026-11-29 00:00 UT   11 04 06.3   -01 34 16     3.254    3.210   78.7   17.5   291   14.9 
2026-11-30 00:00 UT   11 04 49.1   -01 39 07     3.239    3.210   79.5   17.6   292   14.9 
2026-12-01 00:00 UT   11 05 31.2   -01 43 54     3.224    3.209   80.3   17.6   292   14.9 
2026-12-02 00:00 UT   11 06 12.5   -01 48 37     3.209    3.209   81.2   17.7   292   14.9 
2026-12-03 00:00 UT   11 06 53.0   -01 53 15     3.194    3.208   82.0   17.7   292   14.9 
2026-12-04 00:00 UT   11 07 32.8   -01 57 49     3.179    3.208   82.8   17.8   292   14.9 
2026-12-05 00:00 UT   11 08 11.7   -02 02 18     3.163    3.207   83.6   17.8   292   14.8 
2026-12-06 00:00 UT   11 08 49.8   -02 06 42     3.148    3.207   84.5   17.8   292   14.8 
2026-12-07 00:00 UT   11 09 27.1   -02 11 02     3.133    3.206   85.3   17.8   292   14.8 
2026-12-08 00:00 UT   11 10 03.6   -02 15 16     3.118    3.206   86.1   17.9   293   14.8 

    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.