(69) Hesperia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	14 Aug 2026	13.2	3.092 AU	3.346 AU	13h50m	-05°49'	66.9°	17.5°
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
2026-08-14 00:00 UT   13 50 09.9   -05 49 12     3.346    3.092   66.9   17.5   109   13.2 
2026-08-14 03:02 UT   13 50 17.9   -05 49 57     3.348    3.092   66.8   17.5   109   13.2 
2026-08-15 00:00 UT   13 51 12.9   -05 55 11     3.360    3.094   66.2   17.4   108   13.2 
2026-08-16 00:00 UT   13 52 16.4   -06 01 11     3.374    3.095   65.5   17.3   108   13.2 
2026-08-17 00:00 UT   13 53 20.4   -06 07 12     3.388    3.097   64.9   17.2   108   13.2 
2026-08-18 00:00 UT   13 54 24.8   -06 13 15     3.402    3.099   64.2   17.1   108   13.2 
2026-08-19 00:00 UT   13 55 29.7   -06 19 19     3.416    3.100   63.5   17.0   108   13.2 
2026-08-20 00:00 UT   13 56 35.1   -06 25 24     3.430    3.102   62.8   16.9   108   13.2 
2026-08-21 00:00 UT   13 57 40.9   -06 31 30     3.444    3.103   62.2   16.8   108   13.2 
2026-08-22 00:00 UT   13 58 47.2   -06 37 37     3.457    3.105   61.5   16.6   107   13.2 
2026-08-23 00:00 UT   13 59 53.9   -06 43 45     3.471    3.106   60.8   16.5   107   13.2 
2026-08-24 00:00 UT   14 01 01.0   -06 49 54     3.484    3.108   60.2   16.4   107   13.3 
2026-08-25 00:00 UT   14 02 08.6   -06 56 04     3.498    3.109   59.5   16.3   107   13.3 
2026-08-26 00:00 UT   14 03 16.6   -07 02 14     3.511    3.111   58.9   16.1   107   13.3 
2026-08-27 00:00 UT   14 04 25.0   -07 08 25     3.524    3.113   58.2   16.0   107   13.3 
2026-08-28 00:00 UT   14 05 33.8   -07 14 37     3.537    3.114   57.5   15.9   107   13.3 
2026-08-29 00:00 UT   14 06 43.0   -07 20 49     3.550    3.116   56.9   15.8   106   13.3 
2026-08-30 00:00 UT   14 07 52.6   -07 27 02     3.563    3.117   56.2   15.6   106   13.3 
2026-08-31 00:00 UT   14 09 02.6   -07 33 15     3.576    3.119   55.6   15.5   106   13.3 
2026-09-01 00:00 UT   14 10 13.0   -07 39 28     3.589    3.120   54.9   15.4   106   13.3 
2026-09-02 00:00 UT   14 11 23.8   -07 45 42     3.602    3.122   54.3   15.2   106   13.3 
2026-09-03 00:00 UT   14 12 34.9   -07 51 56     3.614    3.123   53.6   15.1   106   13.3 
2026-09-04 00:00 UT   14 13 46.5   -07 58 10     3.627    3.125   53.0   14.9   106   13.3 
2026-09-05 00:00 UT   14 14 58.4   -08 04 24     3.639    3.126   52.3   14.8   105   13.3 
2026-09-06 00:00 UT   14 16 10.6   -08 10 39     3.651    3.128   51.7   14.6   105   13.3 
2026-09-07 00:00 UT   14 17 23.3   -08 16 53     3.664    3.130   51.0   14.5   105   13.3 
2026-09-08 00:00 UT   14 18 36.3   -08 23 07     3.676    3.131   50.4   14.4   105   13.3 
2026-09-09 00:00 UT   14 19 49.7   -08 29 21     3.688    3.133   49.7   14.2   105   13.3 
2026-09-10 00:00 UT   14 21 03.4   -08 35 35     3.700    3.134   49.1   14.1   105   13.3 
2026-09-11 00:00 UT   14 22 17.5   -08 41 49     3.711    3.136   48.5   13.9   104   13.3 

    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.