(69) Hesperia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	29 Jun 2026	12.7	3.018 AU	2.659 AU	13h13m	-02°06'	100.7°	19.3°
Opposition	26 Jun 2027	12.2	3.444 AU	2.443 AU	18h18m	-11°13'	167.9°	3.6°

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)                : 0.1688529
            a (Semimajor axis)              : 2.9771081
            i (Inclination)                 : 8.58546
            Ω (Longitude of ascending node) : 184.89332
            ω (Argument of perihelion)      : 288.17500
            M (Mean anomaly)                : 81.16129
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 113.26054
            B (Latitude of perihelion)      : -8.15412
            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
2026-06-29 00:00 UT   13 13 02.3   -02 06 20     2.659    3.018  100.7   19.3   113   12.7 
2026-06-29 19:39 UT   13 13 27.8   -02 08 57     2.672    3.019  100.0   19.4   113   12.7 
2026-06-30 00:00 UT   13 13 33.5   -02 09 32     2.674    3.019   99.9   19.4   113   12.7 
2026-07-01 00:00 UT   13 14 05.6   -02 12 50     2.689    3.021   99.1   19.4   113   12.7 
2026-07-02 00:00 UT   13 14 38.5   -02 16 13     2.704    3.023   98.3   19.4   113   12.8 
2026-07-03 00:00 UT   13 15 12.4   -02 19 43     2.719    3.024   97.5   19.5   113   12.8 
2026-07-04 00:00 UT   13 15 47.2   -02 23 18     2.735    3.026   96.7   19.5   113   12.8 
2026-07-05 00:00 UT   13 16 22.9   -02 26 58     2.750    3.028   95.9   19.5   113   12.8 
2026-07-06 00:00 UT   13 16 59.4   -02 30 44     2.765    3.029   95.1   19.5   113   12.8 
2026-07-07 00:00 UT   13 17 36.8   -02 34 36     2.780    3.031   94.3   19.5   113   12.8 
2026-07-08 00:00 UT   13 18 15.0   -02 38 32     2.795    3.033   93.5   19.5   112   12.8 
2026-07-09 00:00 UT   13 18 54.1   -02 42 34     2.810    3.034   92.8   19.6   112   12.8 
2026-07-10 00:00 UT   13 19 34.0   -02 46 40     2.825    3.036   92.0   19.6   112   12.9 
2026-07-11 00:00 UT   13 20 14.7   -02 50 51     2.841    3.038   91.2   19.5   112   12.9 
2026-07-12 00:00 UT   13 20 56.2   -02 55 08     2.856    3.039   90.5   19.5   112   12.9 
2026-07-13 00:00 UT   13 21 38.5   -02 59 28     2.871    3.041   89.7   19.5   112   12.9 
2026-07-14 00:00 UT   13 22 21.6   -03 03 54     2.886    3.042   88.9   19.5   112   12.9 
2026-07-15 00:00 UT   13 23 05.5   -03 08 24     2.902    3.044   88.2   19.5   112   12.9 
2026-07-16 00:00 UT   13 23 50.1   -03 12 58     2.917    3.046   87.4   19.5   112   12.9 
2026-07-17 00:00 UT   13 24 35.5   -03 17 36     2.932    3.047   86.7   19.4   112   12.9 
2026-07-18 00:00 UT   13 25 21.6   -03 22 19     2.947    3.049   86.0   19.4   111   13.0 
2026-07-19 00:00 UT   13 26 08.5   -03 27 06     2.962    3.051   85.2   19.4   111   13.0 
2026-07-20 00:00 UT   13 26 56.1   -03 31 56     2.978    3.052   84.5   19.4   111   13.0 
2026-07-21 00:00 UT   13 27 44.4   -03 36 50     2.993    3.054   83.7   19.3   111   13.0 
2026-07-22 00:00 UT   13 28 33.3   -03 41 48     3.008    3.055   83.0   19.3   111   13.0 
2026-07-23 00:00 UT   13 29 23.0   -03 46 50     3.023    3.057   82.3   19.2   111   13.0 
2026-07-24 00:00 UT   13 30 13.3   -03 51 54     3.038    3.059   81.6   19.2   111   13.0 
2026-07-25 00:00 UT   13 31 04.4   -03 57 03     3.053    3.060   80.8   19.1   111   13.0 
2026-07-26 00:00 UT   13 31 56.0   -04 02 14     3.068    3.062   80.1   19.1   111   13.0 
2026-07-27 00:00 UT   13 32 48.3   -04 07 29     3.083    3.064   79.4   19.0   111   13.1 
2026-07-28 00:00 UT   13 33 41.2   -04 12 46     3.098    3.065   78.7   19.0   110   13.1 
2026-07-29 00:00 UT   13 34 34.8   -04 18 07     3.113    3.067   78.0   18.9   110   13.1 

    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.