(737) Arequipa
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Apr 2024	13.1	2.075 AU	1.802 AU	20h12m	-05°18'	90.7°	29.0°
Opposition	7 Aug 2024	11.0	1.959 AU	0.973 AU	20h49m	+02°15'	160.7°	9.8°

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)                : 0.2441843
            a (Semimajor axis)              : 2.5911106
            i (Inclination)                 : 12.36715
            Ω (Longitude of ascending node) : 184.61145
            ω (Argument of perihelion)      : 134.26362
            M (Mean anomaly)                : 326.89202
            Epoch                           : 2024 Mar 31

            L (Longitude of perihelion)     : 139.54759
            B (Latitude of perihelion)      : 8.82278
            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. A more printer-friendly version of the same chart can be found below.

Ephemerides:

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2024-04-25 00:00 UT   20 12 48.7   -05 18 34     1.802    2.075   90.7   29.0   257   13.1 
2024-04-25 17:08 UT   20 13 50.3   -05 11 20     1.794    2.073   91.1   29.0   257   13.1 
2024-04-26 00:00 UT   20 14 14.9   -05 08 25     1.790    2.073   91.2   29.0   257   13.1 
2024-04-27 00:00 UT   20 15 40.2   -04 58 14     1.778    2.071   91.8   29.1   256   13.1 
2024-04-28 00:00 UT   20 17 04.7   -04 48 01     1.767    2.069   92.4   29.1   256   13.1 
2024-04-29 00:00 UT   20 18 28.4   -04 37 46     1.755    2.067   92.9   29.1   256   13.1 
2024-04-30 00:00 UT   20 19 51.1   -04 27 30     1.743    2.065   93.5   29.1   255   13.0 
2024-05-01 00:00 UT   20 21 13.0   -04 17 12     1.731    2.064   94.1   29.1   255   13.0 
2024-05-02 00:00 UT   20 22 34.0   -04 06 54     1.719    2.062   94.6   29.2   255   13.0 
2024-05-03 00:00 UT   20 23 54.1   -03 56 34     1.708    2.060   95.2   29.2   255   13.0 
2024-05-04 00:00 UT   20 25 13.2   -03 46 13     1.696    2.058   95.8   29.2   254   13.0 
2024-05-05 00:00 UT   20 26 31.3   -03 35 52     1.684    2.056   96.3   29.2   254   13.0 
2024-05-06 00:00 UT   20 27 48.5   -03 25 30     1.672    2.055   96.9   29.2   254   12.9 
2024-05-07 00:00 UT   20 29 04.7   -03 15 08     1.661    2.053   97.5   29.2   253   12.9 
2024-05-08 00:00 UT   20 30 19.9   -03 04 46     1.649    2.051   98.1   29.2   253   12.9 
2024-05-09 00:00 UT   20 31 34.1   -02 54 25     1.638    2.049   98.7   29.1   253   12.9 
2024-05-10 00:00 UT   20 32 47.2   -02 44 03     1.626    2.048   99.3   29.1   253   12.9 
2024-05-11 00:00 UT   20 33 59.3   -02 33 43     1.615    2.046   99.9   29.1   252   12.8 
2024-05-12 00:00 UT   20 35 10.3   -02 23 23     1.604    2.044  100.4   29.1   252   12.8 
2024-05-13 00:00 UT   20 36 20.3   -02 13 04     1.592    2.043  101.0   29.0   252   12.8 
2024-05-14 00:00 UT   20 37 29.2   -02 02 47     1.581    2.041  101.6   29.0   251   12.8 
2024-05-15 00:00 UT   20 38 36.9   -01 52 31     1.570    2.039  102.3   29.0   251   12.8 
2024-05-16 00:00 UT   20 39 43.6   -01 42 17     1.559    2.038  102.9   28.9   251   12.8 
2024-05-17 00:00 UT   20 40 49.1   -01 32 04     1.548    2.036  103.5   28.9   251   12.7 
2024-05-18 00:00 UT   20 41 53.5   -01 21 54     1.536    2.035  104.1   28.8   250   12.7 

    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.