(737) Arequipa
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	2 Mar 2026	14.4	3.085 AU	2.618 AU	06h02m	+09°15'	108.9°	17.7°
Opposition	5 Mar 2027	13.3	3.130 AU	2.142 AU	10h54m	+00°13'	173.7°	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)                : 0.2440162
            a (Semimajor axis)              : 2.5926213
            i (Inclination)                 : 12.36334
            Ω (Longitude of ascending node) : 184.56133
            ω (Argument of perihelion)      : 134.51407
            M (Mean anomaly)                : 108.46935
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 139.74756
            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
2026-03-02 00:00 UT   06 02 14.1   +09 15 04     2.618    3.085  108.9   17.7    85   14.4 
2026-03-02 11:41 UT   06 02 21.2   +09 17 29     2.625    3.086  108.5   17.7    85   14.4 
2026-03-03 00:00 UT   06 02 29.1   +09 20 03     2.632    3.086  108.0   17.8    86   14.4 
2026-03-04 00:00 UT   06 02 45.4   +09 24 60     2.647    3.088  107.1   17.9    86   14.4 
2026-03-05 00:00 UT   06 03 03.0   +09 29 55     2.662    3.089  106.2   18.0    86   14.4 
2026-03-06 00:00 UT   06 03 21.9   +09 34 49     2.676    3.090  105.3   18.0    86   14.4 
2026-03-07 00:00 UT   06 03 42.0   +09 39 40     2.691    3.092  104.4   18.1    87   14.4 
2026-03-08 00:00 UT   06 04 03.3   +09 44 30     2.706    3.093  103.6   18.2    87   14.5 
2026-03-09 00:00 UT   06 04 25.9   +09 49 17     2.721    3.094  102.7   18.2    87   14.5 
2026-03-10 00:00 UT   06 04 49.7   +09 54 03     2.736    3.096  101.8   18.3    88   14.5 
2026-03-11 00:00 UT   06 05 14.6   +09 58 46     2.751    3.097  101.0   18.4    88   14.5 
2026-03-12 00:00 UT   06 05 40.7   +10 03 26     2.766    3.098  100.1   18.4    88   14.5 
2026-03-13 00:00 UT   06 06 08.0   +10 08 04     2.781    3.100   99.2   18.4    88   14.5 
2026-03-14 00:00 UT   06 06 36.4   +10 12 40     2.796    3.101   98.4   18.5    89   14.6 
2026-03-15 00:00 UT   06 07 06.0   +10 17 13     2.811    3.102   97.5   18.5    89   14.6 
2026-03-16 00:00 UT   06 07 36.7   +10 21 43     2.826    3.104   96.7   18.6    89   14.6 
2026-03-17 00:00 UT   06 08 08.5   +10 26 11     2.841    3.105   95.9   18.6    89   14.6 
2026-03-18 00:00 UT   06 08 41.4   +10 30 35     2.856    3.106   95.0   18.6    90   14.6 
2026-03-19 00:00 UT   06 09 15.4   +10 34 57     2.872    3.107   94.2   18.6    90   14.6 
2026-03-20 00:00 UT   06 09 50.4   +10 39 16     2.887    3.109   93.4   18.6    90   14.6 
2026-03-21 00:00 UT   06 10 26.5   +10 43 32     2.902    3.110   92.5   18.7    90   14.6 
2026-03-22 00:00 UT   06 11 03.6   +10 47 44     2.917    3.111   91.7   18.7    91   14.7 
2026-03-23 00:00 UT   06 11 41.7   +10 51 54     2.933    3.112   90.9   18.7    91   14.7 
2026-03-24 00:00 UT   06 12 20.8   +10 55 60     2.948    3.114   90.1   18.7    91   14.7 
2026-03-25 00:00 UT   06 13 00.9   +11 00 03     2.963    3.115   89.3   18.7    91   14.7 
2026-03-26 00:00 UT   06 13 41.9   +11 04 02     2.978    3.116   88.5   18.7    92   14.7 
2026-03-27 00:00 UT   06 14 23.9   +11 07 58     2.994    3.117   87.7   18.7    92   14.7 
2026-03-28 00:00 UT   06 15 06.9   +11 11 51     3.009    3.118   86.9   18.6    92   14.7 
2026-03-29 00:00 UT   06 15 50.7   +11 15 40     3.024    3.120   86.1   18.6    92   14.7 
2026-03-30 00:00 UT   06 16 35.5   +11 19 25     3.039    3.121   85.3   18.6    93   14.7 
2026-03-31 00:00 UT   06 17 21.1   +11 23 07     3.054    3.122   84.5   18.6    93   14.8 
2026-04-01 00:00 UT   06 18 07.6   +11 26 45     3.070    3.123   83.8   18.5    93   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.