(69) Hesperia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	12 Apr 2026	11.1	2.887 AU	1.886 AU	13h28m	-04°59'	176.1°	1.4°
Today	31 May 2026	12.2	2.969 AU	2.255 AU	13h05m	-01°26'	126.3°	16.0°

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 Hesperia are:

            e (Eccentricity)                : 0.1689530
            a (Semimajor axis)              : 2.9770572
            i (Inclination)                 : 8.58563
            Ω (Longitude of ascending node) : 184.89404
            ω (Argument of perihelion)      : 288.15032
            M (Mean anomaly)                : 42.79758
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 113.23636
            B (Latitude of perihelion)      : -8.15544
            P (Orbital period in years)     : 5.14            
        

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
2026-05-31 00:00 UT   13 05 37.0   -01 26 20     2.255    2.969  126.3   16.0   116   12.2 
2026-05-31 02:19 UT   13 05 36.9   -01 26 16     2.256    2.970  126.2   16.0   116   12.2 
2026-06-01 00:00 UT   13 05 36.2   -01 25 45     2.267    2.971  125.3   16.2   116   12.2 
2026-06-02 00:00 UT   13 05 36.7   -01 25 19     2.280    2.973  124.4   16.4   116   12.2 
2026-06-03 00:00 UT   13 05 38.3   -01 25 03     2.293    2.974  123.4   16.5   116   12.3 
2026-06-04 00:00 UT   13 05 41.2   -01 24 56     2.306    2.976  122.5   16.7   116   12.3 
2026-06-05 00:00 UT   13 05 45.2   -01 24 57     2.319    2.978  121.5   16.9   116   12.3 
2026-06-06 00:00 UT   13 05 50.5   -01 25 08     2.332    2.979  120.6   17.0   116   12.3 
2026-06-07 00:00 UT   13 05 56.9   -01 25 28     2.345    2.981  119.7   17.2   115   12.3 
2026-06-08 00:00 UT   13 06 04.6   -01 25 56     2.359    2.983  118.8   17.4   115   12.4 
2026-06-09 00:00 UT   13 06 13.4   -01 26 33     2.372    2.985  117.9   17.5   115   12.4 
2026-06-10 00:00 UT   13 06 23.3   -01 27 18     2.386    2.986  116.9   17.6   115   12.4 
2026-06-11 00:00 UT   13 06 34.5   -01 28 12     2.399    2.988  116.0   17.8   115   12.4 
2026-06-12 00:00 UT   13 06 46.8   -01 29 15     2.413    2.990  115.1   17.9   115   12.4 
2026-06-13 00:00 UT   13 07 00.2   -01 30 25     2.427    2.991  114.3   18.0   115   12.5 
2026-06-14 00:00 UT   13 07 14.8   -01 31 44     2.441    2.993  113.4   18.1   115   12.5 
2026-06-15 00:00 UT   13 07 30.5   -01 33 11     2.455    2.995  112.5   18.3   115   12.5 
2026-06-16 00:00 UT   13 07 47.3   -01 34 46     2.469    2.996  111.6   18.4   115   12.5 
2026-06-17 00:00 UT   13 08 05.2   -01 36 29     2.484    2.998  110.7   18.5   114   12.5 
2026-06-18 00:00 UT   13 08 24.2   -01 38 19     2.498    3.000  109.9   18.6   114   12.5 
2026-06-19 00:00 UT   13 08 44.4   -01 40 17     2.512    3.001  109.0   18.7   114   12.6 
2026-06-20 00:00 UT   13 09 05.5   -01 42 22     2.527    3.003  108.2   18.8   114   12.6 
2026-06-21 00:00 UT   13 09 27.8   -01 44 35     2.541    3.005  107.3   18.8   114   12.6 
2026-06-22 00:00 UT   13 09 51.1   -01 46 54     2.556    3.006  106.5   18.9   114   12.6 
2026-06-23 00:00 UT   13 10 15.4   -01 49 21     2.571    3.008  105.6   19.0   114   12.6 
2026-06-24 00:00 UT   13 10 40.7   -01 51 54     2.585    3.010  104.8   19.1   114   12.6 
2026-06-25 00:00 UT   13 11 07.0   -01 54 35     2.600    3.011  104.0   19.1   114   12.7 
2026-06-26 00:00 UT   13 11 34.4   -01 57 21     2.615    3.013  103.1   19.2   114   12.7 
2026-06-27 00:00 UT   13 12 02.7   -02 00 15     2.630    3.015  102.3   19.2   113   12.7 
2026-06-28 00:00 UT   13 12 31.9   -02 03 14     2.645    3.016  101.5   19.3   113   12.7 
2026-06-29 00:00 UT   13 13 02.2   -02 06 20     2.660    3.018  100.7   19.3   113   12.7 
2026-06-30 00:00 UT   13 13 33.3   -02 09 32     2.674    3.020   99.9   19.4   113   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.