(737) Arequipa
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	28 Mar 2026	14.7	3.118 AU	3.009 AU	06h15m	+11°11'	86.9°	18.6°
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
2026-03-28 00:00 UT   06 15 06.9   +11 11 51     3.009    3.118   86.9   18.6    92   14.7 
2026-03-28 02:18 UT   06 15 11.0   +11 12 13     3.010    3.119   86.8   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 
2026-04-02 00:00 UT   06 18 54.9   +11 30 20     3.085    3.124   83.0   18.5    93   14.8 
2026-04-03 00:00 UT   06 19 43.1   +11 33 51     3.100    3.126   82.2   18.5    94   14.8 
2026-04-04 00:00 UT   06 20 32.1   +11 37 18     3.115    3.127   81.4   18.4    94   14.8 
2026-04-05 00:00 UT   06 21 21.9   +11 40 42     3.130    3.128   80.7   18.4    94   14.8 
2026-04-06 00:00 UT   06 22 12.5   +11 44 01     3.145    3.129   79.9   18.4    94   14.8 
2026-04-07 00:00 UT   06 23 03.8   +11 47 17     3.160    3.130   79.2   18.3    95   14.8 
2026-04-08 00:00 UT   06 23 56.0   +11 50 29     3.175    3.131   78.4   18.3    95   14.8 
2026-04-09 00:00 UT   06 24 48.9   +11 53 37     3.190    3.132   77.7   18.2    95   14.8 
2026-04-10 00:00 UT   06 25 42.6   +11 56 42     3.205    3.134   76.9   18.1    95   14.8 
2026-04-11 00:00 UT   06 26 37.0   +11 59 42     3.220    3.135   76.2   18.1    96   14.9 
2026-04-12 00:00 UT   06 27 32.1   +12 02 38     3.234    3.136   75.4   18.0    96   14.9 
2026-04-13 00:00 UT   06 28 27.9   +12 05 30     3.249    3.137   74.7   18.0    96   14.9 
2026-04-14 00:00 UT   06 29 24.4   +12 08 19     3.264    3.138   73.9   17.9    96   14.9 
2026-04-15 00:00 UT   06 30 21.7   +12 11 03     3.278    3.139   73.2   17.8    96   14.9 
2026-04-16 00:00 UT   06 31 19.5   +12 13 43     3.293    3.140   72.5   17.7    97   14.9 
2026-04-17 00:00 UT   06 32 18.1   +12 16 18     3.307    3.141   71.8   17.7    97   14.9 
2026-04-18 00:00 UT   06 33 17.3   +12 18 50     3.322    3.142   71.0   17.6    97   14.9 
2026-04-19 00:00 UT   06 34 17.1   +12 21 18     3.336    3.143   70.3   17.5    97   14.9 
2026-04-20 00:00 UT   06 35 17.6   +12 23 41     3.351    3.144   69.6   17.4    98   14.9 
2026-04-21 00:00 UT   06 36 18.7   +12 25 60     3.365    3.145   68.9   17.3    98   14.9 
2026-04-22 00:00 UT   06 37 20.4   +12 28 15     3.379    3.147   68.2   17.2    98   14.9 
2026-04-23 00:00 UT   06 38 22.6   +12 30 25     3.393    3.148   67.4   17.2    98   14.9 
2026-04-24 00:00 UT   06 39 25.5   +12 32 31     3.407    3.149   66.7   17.1    99   15.0 
2026-04-25 00:00 UT   06 40 28.9   +12 34 33     3.421    3.150   66.0   17.0    99   15.0 
2026-04-26 00:00 UT   06 41 32.8   +12 36 31     3.435    3.151   65.3   16.9    99   15.0 
2026-04-27 00:00 UT   06 42 37.3   +12 38 24     3.449    3.152   64.6   16.8    99   15.0 

    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.