(737) Arequipa
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	7 Nov 2025	14.0	2.885 AU	2.298 AU	07h03m	+07°01'	116.9°	17.8°
Opposition	29 Dec 2025	13.3	2.986 AU	2.037 AU	06h30m	+04°57'	161.7°	5.9°

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 Arequipa are:

            e (Eccentricity)                : 0.2440162
            a (Semimajor axis)              : 2.5926213
            i (Inclination)                 : 12.36334
            Ω (Longitude of ascending node) : 184.56132
            ω (Argument of perihelion)      : 134.51407
            M (Mean anomaly)                : 108.46935
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 139.74755
            B (Latitude of perihelion)      : 8.78212
            P (Orbital period in years)     : 4.17            
        

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
2025-11-07 00:00 UT   07 03 44.0   +07 01 44     2.298    2.885  116.9   17.8   285   14.0 
2025-11-07 10:57 UT   07 03 42.4   +06 59 26     2.293    2.886  117.4   17.8   285   14.0 
2025-11-08 00:00 UT   07 03 40.0   +06 56 43     2.288    2.887  117.9   17.7   285   14.0 
2025-11-09 00:00 UT   07 03 34.6   +06 51 45     2.278    2.889  118.9   17.5   285   13.9 
2025-11-10 00:00 UT   07 03 27.6   +06 46 50     2.269    2.892  119.8   17.3   286   13.9 
2025-11-11 00:00 UT   07 03 19.1   +06 41 59     2.259    2.894  120.8   17.1   286   13.9 
2025-11-12 00:00 UT   07 03 09.0   +06 37 12     2.250    2.896  121.7   16.9   287   13.9 
2025-11-13 00:00 UT   07 02 57.4   +06 32 29     2.240    2.898  122.7   16.7   287   13.9 
2025-11-14 00:00 UT   07 02 44.2   +06 27 50     2.231    2.900  123.7   16.5   288   13.9 
2025-11-15 00:00 UT   07 02 29.5   +06 23 16     2.222    2.902  124.7   16.3   288   13.9 
2025-11-16 00:00 UT   07 02 13.3   +06 18 46     2.214    2.904  125.7   16.1   288   13.8 
2025-11-17 00:00 UT   07 01 55.5   +06 14 21     2.205    2.906  126.7   15.8   289   13.8 
2025-11-18 00:00 UT   07 01 36.2   +06 10 01     2.197    2.908  127.7   15.6   289   13.8 
2025-11-19 00:00 UT   07 01 15.4   +06 05 46     2.188    2.910  128.7   15.4   290   13.8 
2025-11-20 00:00 UT   07 00 53.0   +06 01 37     2.180    2.912  129.7   15.1   291   13.8 
2025-11-21 00:00 UT   07 00 29.2   +05 57 34     2.172    2.914  130.7   14.9   291   13.8 
2025-11-22 00:00 UT   07 00 03.8   +05 53 36     2.164    2.916  131.7   14.7   292   13.8 
2025-11-23 00:00 UT   06 59 37.0   +05 49 44     2.157    2.918  132.7   14.4   292   13.7 
2025-11-24 00:00 UT   06 59 08.7   +05 45 58     2.149    2.920  133.7   14.2   293   13.7 
2025-11-25 00:00 UT   06 58 39.0   +05 42 19     2.142    2.922  134.7   13.9   294   13.7 
2025-11-26 00:00 UT   06 58 07.8   +05 38 46     2.135    2.924  135.7   13.6   294   13.7 
2025-11-27 00:00 UT   06 57 35.3   +05 35 20     2.128    2.926  136.7   13.4   295   13.7 
2025-11-28 00:00 UT   06 57 01.3   +05 32 00     2.121    2.928  137.7   13.1   296   13.7 
2025-11-29 00:00 UT   06 56 26.1   +05 28 48     2.115    2.930  138.8   12.8   297   13.6 
2025-11-30 00:00 UT   06 55 49.5   +05 25 43     2.108    2.932  139.8   12.5   297   13.6 
2025-12-01 00:00 UT   06 55 11.6   +05 22 45     2.102    2.934  140.8   12.3   298   13.6 
2025-12-02 00:00 UT   06 54 32.4   +05 19 54     2.097    2.935  141.8   12.0   299   13.6 
2025-12-03 00:00 UT   06 53 52.0   +05 17 11     2.091    2.937  142.8   11.7   300   13.6 
2025-12-04 00:00 UT   06 53 10.3   +05 14 36     2.086    2.939  143.8   11.4   301   13.6 
2025-12-05 00:00 UT   06 52 27.5   +05 12 09     2.081    2.941  144.8   11.1   302   13.6 
2025-12-06 00:00 UT   06 51 43.6   +05 09 49     2.076    2.943  145.8   10.8   303   13.5 
2025-12-07 00:00 UT   06 50 58.5   +05 07 38     2.071    2.945  146.8   10.6   304   13.5 

    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.