(364) Isara
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	31 Mar 2026	14.4	2.550 AU	1.968 AU	16h58m	-16°35'	114.5°	20.9°
Opposition	28 May 2026	13.1	2.546 AU	1.537 AU	16h28m	-15°31'	173.8°	2.5°

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 Isara are:

            e (Eccentricity)                : 0.1492100
            a (Semimajor axis)              : 2.2202423
            i (Inclination)                 : 6.00618
            Ω (Longitude of ascending node) : 105.50191
            ω (Argument of perihelion)      : 312.97936
            M (Mean anomaly)                : 135.53601
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 58.63860
            B (Latitude of perihelion)      : -4.39037
            P (Orbital period in years)     : 3.31            
        

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
2026-03-31 00:00 UT   16 58 46.6   -16 35 07     1.968    2.550  114.5   20.9   273   14.4 
2026-03-31 06:25 UT   16 58 51.1   -16 34 56     1.965    2.550  114.8   20.8   273   14.4 
2026-04-01 00:00 UT   16 59 02.8   -16 34 25     1.956    2.550  115.4   20.7   273   14.4 
2026-04-02 00:00 UT   16 59 17.3   -16 33 40     1.944    2.551  116.4   20.6   273   14.4 
2026-04-03 00:00 UT   16 59 30.1   -16 32 54     1.933    2.551  117.3   20.4   273   14.4 
2026-04-04 00:00 UT   16 59 41.3   -16 32 06     1.921    2.551  118.2   20.2   273   14.4 
2026-04-05 00:00 UT   16 59 50.7   -16 31 15     1.909    2.551  119.2   20.0   273   14.3 
2026-04-06 00:00 UT   16 59 58.5   -16 30 23     1.898    2.551  120.1   19.8   272   14.3 
2026-04-07 00:00 UT   17 00 04.5   -16 29 30     1.886    2.551  121.1   19.6   272   14.3 
2026-04-08 00:00 UT   17 00 08.7   -16 28 34     1.875    2.551  122.0   19.4   272   14.3 
2026-04-09 00:00 UT   17 00 11.3   -16 27 37     1.864    2.551  123.0   19.2   272   14.3 
2026-04-10 00:00 UT   17 00 12.0   -16 26 39     1.853    2.551  124.0   19.0   272   14.3 
2026-04-11 00:00 UT   17 00 11.0   -16 25 39     1.842    2.551  124.9   18.8   272   14.2 
2026-04-12 00:00 UT   17 00 08.1   -16 24 37     1.831    2.551  125.9   18.6   271   14.2 
2026-04-13 00:00 UT   17 00 03.5   -16 23 34     1.820    2.551  126.9   18.3   271   14.2 
2026-04-14 00:00 UT   16 59 57.0   -16 22 30     1.810    2.551  127.9   18.1   271   14.2 
2026-04-15 00:00 UT   16 59 48.7   -16 21 25     1.799    2.551  128.9   17.8   271   14.1 
2026-04-16 00:00 UT   16 59 38.6   -16 20 18     1.789    2.551  129.9   17.6   271   14.1 
2026-04-17 00:00 UT   16 59 26.7   -16 19 10     1.779    2.552  130.9   17.3   270   14.1 
2026-04-18 00:00 UT   16 59 12.9   -16 18 02     1.769    2.552  132.0   17.0   270   14.1 
2026-04-19 00:00 UT   16 58 57.2   -16 16 52     1.759    2.552  133.0   16.7   270   14.1 
2026-04-20 00:00 UT   16 58 39.8   -16 15 42     1.749    2.552  134.0   16.4   270   14.0 
2026-04-21 00:00 UT   16 58 20.5   -16 14 30     1.740    2.552  135.1   16.1   270   14.0 
2026-04-22 00:00 UT   16 57 59.4   -16 13 18     1.730    2.551  136.1   15.8   269   14.0 
2026-04-23 00:00 UT   16 57 36.6   -16 12 06     1.721    2.551  137.2   15.5   269   14.0 
2026-04-24 00:00 UT   16 57 11.9   -16 10 53     1.712    2.551  138.2   15.2   269   14.0 
2026-04-25 00:00 UT   16 56 45.4   -16 09 39     1.703    2.551  139.3   14.9   269   13.9 
2026-04-26 00:00 UT   16 56 17.2   -16 08 25     1.695    2.551  140.4   14.6   268   13.9 
2026-04-27 00:00 UT   16 55 47.2   -16 07 10     1.686    2.551  141.4   14.2   268   13.9 
2026-04-28 00:00 UT   16 55 15.5   -16 05 55     1.678    2.551  142.5   13.9   268   13.9 
2026-04-29 00:00 UT   16 54 42.0   -16 04 40     1.670    2.551  143.6   13.5   268   13.8 
2026-04-30 00:00 UT   16 54 06.9   -16 03 25     1.662    2.551  144.7   13.2   267   13.8 

    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.