(737) Arequipa
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	28 Nov 2025	13.7	2.928 AU	2.121 AU	06h57m	+05°32'	137.7°	13.1°
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
2025-11-28 00:00 UT   06 57 01.3   +05 32 00     2.121    2.928  137.7   13.1   296   13.7 
2025-11-28 11:35 UT   06 56 44.5   +05 30 27     2.118    2.929  138.2   13.0   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 
2025-12-08 00:00 UT   06 50 12.4   +05 05 35     2.067    2.947  147.8   10.3   306   13.5 
2025-12-09 00:00 UT   06 49 25.2   +05 03 40     2.062    2.949  148.7   10.0   307   13.5 
2025-12-10 00:00 UT   06 48 37.0   +05 01 54     2.058    2.951  149.7    9.7   308   13.5 
2025-12-11 00:00 UT   06 47 47.8   +05 00 17     2.055    2.953  150.6    9.4   310   13.5 
2025-12-12 00:00 UT   06 46 57.8   +04 58 48     2.051    2.955  151.5    9.1   312   13.5 
2025-12-13 00:00 UT   06 46 06.8   +04 57 28     2.048    2.956  152.4    8.9   313   13.4 
2025-12-14 00:00 UT   06 45 15.0   +04 56 17     2.045    2.958  153.3    8.6   315   13.4 
2025-12-15 00:00 UT   06 44 22.5   +04 55 14     2.043    2.960  154.2    8.3   317   13.4 
2025-12-16 00:00 UT   06 43 29.2   +04 54 21     2.040    2.962  155.0    8.1   319   13.4 
2025-12-17 00:00 UT   06 42 35.3   +04 53 38     2.038    2.964  155.8    7.8   321   13.4 
2025-12-18 00:00 UT   06 41 40.7   +04 53 03     2.037    2.966  156.6    7.6   324   13.4 
2025-12-19 00:00 UT   06 40 45.6   +04 52 38     2.035    2.968  157.4    7.3   326   13.4 
2025-12-20 00:00 UT   06 39 50.0   +04 52 22     2.034    2.969  158.1    7.1   329   13.4 
2025-12-21 00:00 UT   06 38 53.9   +04 52 15     2.033    2.971  158.7    6.9   332   13.3 
2025-12-22 00:00 UT   06 37 57.5   +04 52 18     2.032    2.973  159.3    6.7   335   13.3 
2025-12-23 00:00 UT   06 37 00.7   +04 52 29     2.032    2.975  159.9    6.5   338   13.3 
2025-12-24 00:00 UT   06 36 03.6   +04 52 51     2.032    2.977  160.3    6.4   341   13.3 
2025-12-25 00:00 UT   06 35 06.4   +04 53 21     2.032    2.978  160.8    6.2   345   13.3 
2025-12-26 00:00 UT   06 34 08.9   +04 54 01     2.033    2.980  161.1    6.1   348   13.3 
2025-12-27 00:00 UT   06 33 11.4   +04 54 50     2.033    2.982  161.4    6.0   352   13.3 
2025-12-28 00:00 UT   06 32 13.9   +04 55 48     2.034    2.984  161.6    6.0   356   13.3 

    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.