(69) Hesperia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Mar 2026	11.4	2.855 AU	1.907 AU	13h41m	-07°13'	157.7°	7.6°
Opposition	12 Apr 2026	11.1	2.887 AU	1.886 AU	13h28m	-04°59'	176.1°	1.4°

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
2026-03-25 00:00 UT   13 41 06.2   -07 13 14     1.907    2.855  157.7    7.6   284   11.4 
2026-03-25 13:52 UT   13 40 45.0   -07 09 15     1.905    2.856  158.4    7.4   283   11.4 
2026-03-26 00:00 UT   13 40 29.3   -07 06 20     1.904    2.857  158.9    7.2   283   11.4 
2026-03-27 00:00 UT   13 39 51.6   -06 59 22     1.900    2.859  160.0    6.8   282   11.4 
2026-03-28 00:00 UT   13 39 13.1   -06 52 20     1.897    2.860  161.2    6.5   282   11.4 
2026-03-29 00:00 UT   13 38 33.8   -06 45 15     1.895    2.862  162.4    6.1   281   11.4 
2026-03-30 00:00 UT   13 37 53.9   -06 38 07     1.892    2.864  163.5    5.7   280   11.3 
2026-03-31 00:00 UT   13 37 13.3   -06 30 56     1.890    2.865  164.7    5.3   279   11.3 
2026-04-01 00:00 UT   13 36 32.1   -06 23 43     1.888    2.867  165.8    4.9   278   11.3 
2026-04-02 00:00 UT   13 35 50.3   -06 16 28     1.886    2.869  166.9    4.5   276   11.3 
2026-04-03 00:00 UT   13 35 08.0   -06 09 11     1.885    2.871  168.1    4.1   275   11.2 
2026-04-04 00:00 UT   13 34 25.3   -06 01 52     1.884    2.872  169.2    3.7   272   11.2 
2026-04-05 00:00 UT   13 33 42.1   -05 54 33     1.883    2.874  170.3    3.4   270   11.2 
2026-04-06 00:00 UT   13 32 58.6   -05 47 13     1.883    2.876  171.4    3.0   267   11.2 
2026-04-07 00:00 UT   13 32 14.8   -05 39 53     1.882    2.877  172.4    2.6   262   11.2 
2026-04-08 00:00 UT   13 31 30.7   -05 32 33     1.882    2.879  173.4    2.3   257   11.1 
2026-04-09 00:00 UT   13 30 46.4   -05 25 14     1.883    2.881  174.3    2.0   250   11.1 
2026-04-10 00:00 UT   13 30 01.9   -05 17 56     1.883    2.883  175.1    1.7   240   11.1 
2026-04-11 00:00 UT   13 29 17.3   -05 10 39     1.884    2.884  175.7    1.5   227   11.1 
2026-04-12 00:00 UT   13 28 32.7   -05 03 24     1.885    2.886  176.0    1.4   211   11.1 
2026-04-13 00:00 UT   13 27 48.0   -04 56 11     1.887    2.888  176.0    1.4   193   11.1 
2026-04-14 00:00 UT   13 27 03.4   -04 49 01     1.888    2.889  175.6    1.5   178   11.1 
2026-04-15 00:00 UT   13 26 18.9   -04 41 54     1.890    2.891  175.0    1.7   165   11.1 
2026-04-16 00:00 UT   13 25 34.6   -04 34 50     1.893    2.893  174.2    2.0   156   11.1 
2026-04-17 00:00 UT   13 24 50.4   -04 27 50     1.895    2.894  173.2    2.3   149   11.2 
2026-04-18 00:00 UT   13 24 06.5   -04 20 54     1.898    2.896  172.2    2.7   144   11.2 
2026-04-19 00:00 UT   13 23 23.0   -04 14 03     1.901    2.898  171.2    3.0   140   11.2 
2026-04-20 00:00 UT   13 22 39.8   -04 07 16     1.905    2.900  170.1    3.4   137   11.3 
2026-04-21 00:00 UT   13 21 57.0   -04 00 35     1.909    2.901  169.0    3.8   135   11.3 
2026-04-22 00:00 UT   13 21 14.7   -03 53 59     1.913    2.903  167.9    4.2   133   11.3 
2026-04-23 00:00 UT   13 20 32.9   -03 47 30     1.917    2.905  166.8    4.5   131   11.3 
2026-04-24 00:00 UT   13 19 51.7   -03 41 07     1.921    2.906  165.7    4.9   130   11.4 

    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.