(737) Arequipa
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	20 Jun 2026	15.1	3.196 AU	4.038 AU	07h49m	+12°31'	29.8°	9.1°
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
2026-06-20 00:00 UT   07 49 44.9   +12 31 52     4.038    3.196   29.8    9.1   116   15.1 
2026-06-20 18:32 UT   07 50 47.3   +12 30 16     4.043    3.196   29.3    9.0   116   15.1 
2026-06-21 00:00 UT   07 51 05.7   +12 29 47     4.045    3.197   29.2    8.9   116   15.1 
2026-06-22 00:00 UT   07 52 26.6   +12 27 37     4.052    3.197   28.6    8.7   116   15.1 
2026-06-23 00:00 UT   07 53 47.6   +12 25 24     4.059    3.198   28.0    8.6   117   15.1 
2026-06-24 00:00 UT   07 55 08.7   +12 23 06     4.066    3.198   27.4    8.4   117   15.1 
2026-06-25 00:00 UT   07 56 29.9   +12 20 44     4.073    3.199   26.8    8.2   118   15.0 
2026-06-26 00:00 UT   07 57 51.2   +12 18 19     4.080    3.200   26.2    8.1   118   15.0 
2026-06-27 00:00 UT   07 59 12.5   +12 15 49     4.086    3.200   25.6    7.9   119   15.0 
2026-06-28 00:00 UT   08 00 34.0   +12 13 16     4.093    3.201   25.0    7.7   120   15.0 
2026-06-29 00:00 UT   08 01 55.4   +12 10 39     4.099    3.201   24.4    7.6   120   15.0 
2026-06-30 00:00 UT   08 03 17.0   +12 07 57     4.105    3.202   23.9    7.4   121   15.0 
2026-07-01 00:00 UT   08 04 38.6   +12 05 12     4.111    3.203   23.3    7.2   121   15.0 
2026-07-02 00:00 UT   08 06 00.3   +12 02 23     4.117    3.203   22.7    7.0   122   15.0 
2026-07-03 00:00 UT   08 07 22.0   +11 59 31     4.123    3.204   22.1    6.9   123   15.0 
2026-07-04 00:00 UT   08 08 43.8   +11 56 34     4.128    3.204   21.5    6.7   123   15.0 
2026-07-05 00:00 UT   08 10 05.7   +11 53 34     4.133    3.205   21.0    6.5   124   15.0 
2026-07-06 00:00 UT   08 11 27.5   +11 50 29     4.139    3.205   20.4    6.3   125   15.0 
2026-07-07 00:00 UT   08 12 49.4   +11 47 22     4.144    3.206   19.8    6.2   125   15.0 
2026-07-08 00:00 UT   08 14 11.4   +11 44 10     4.148    3.206   19.3    6.0   126   15.0 
2026-07-09 00:00 UT   08 15 33.4   +11 40 55     4.153    3.207   18.7    5.8   127   15.0 
2026-07-10 00:00 UT   08 16 55.4   +11 37 35     4.158    3.207   18.1    5.7   128   15.0 
2026-07-11 00:00 UT   08 18 17.4   +11 34 13     4.162    3.208   17.6    5.5   129   15.0 
2026-07-12 00:00 UT   08 19 39.5   +11 30 46     4.166    3.208   17.0    5.3   130   15.0 
2026-07-13 00:00 UT   08 21 01.6   +11 27 16     4.171    3.209   16.5    5.2   131   15.0 
2026-07-14 00:00 UT   08 22 23.7   +11 23 43     4.175    3.209   15.9    5.0   132   15.0 
2026-07-15 00:00 UT   08 23 45.7   +11 20 05     4.178    3.210   15.4    4.8   133   14.9 

    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.