2003 YS70
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	18 Mar 2026	30.8	1.275 AU	0.719 AU	17h26m	-23°45'	94.7°	51.1°

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 2003 YS70 are:

            e (Eccentricity)                : 0.2317769
            a (Semimajor axis)              : 1.2772309
            i (Inclination)                 : 0.35887
            Ω (Longitude of ascending node) : 270.79312
            ω (Argument of perihelion)      : 197.47648
            M (Mean anomaly)                : 356.37890
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 288.26928
            B (Latitude of perihelion)      : -0.10777
            P (Orbital period in years)     : 1.44            
        

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
2026-03-18 00:00 UT   17 26 20.5   -23 45 49     0.719    1.275   94.7   51.1   273   30.8 
2026-03-18 21:50 UT   17 28 02.5   -23 47 10     0.716    1.278   95.2   50.9   273   30.8 
2026-03-19 00:00 UT   17 28 12.5   -23 47 18     0.715    1.278   95.3   50.8   273   30.8 
2026-03-20 00:00 UT   17 30 02.4   -23 48 40     0.712    1.282   95.9   50.6   273   30.8 
2026-03-21 00:00 UT   17 31 49.9   -23 49 56     0.708    1.285   96.5   50.3   273   30.8 
2026-03-22 00:00 UT   17 33 35.2   -23 51 05     0.705    1.289   97.0   50.1   273   30.8 
2026-03-23 00:00 UT   17 35 18.2   -23 52 09     0.701    1.292   97.6   49.8   273   30.7 
2026-03-24 00:00 UT   17 36 58.9   -23 53 07     0.697    1.296   98.3   49.6   272   30.7 
2026-03-25 00:00 UT   17 38 37.2   -23 54 00     0.693    1.299   98.9   49.3   272   30.7 
2026-03-26 00:00 UT   17 40 13.1   -23 54 48     0.690    1.303   99.5   49.0   272   30.7 
2026-03-27 00:00 UT   17 41 46.5   -23 55 31     0.686    1.306  100.1   48.8   272   30.7 
2026-03-28 00:00 UT   17 43 17.5   -23 56 09     0.682    1.310  100.8   48.5   272   30.7 
2026-03-29 00:00 UT   17 44 45.9   -23 56 43     0.678    1.313  101.4   48.2   272   30.7 
2026-03-30 00:00 UT   17 46 11.7   -23 57 13     0.674    1.317  102.1   47.9   271   30.6 
2026-03-31 00:00 UT   17 47 35.0   -23 57 40     0.670    1.320  102.8   47.6   271   30.6 
2026-04-01 00:00 UT   17 48 55.6   -23 58 02     0.666    1.323  103.4   47.3   271   30.6 
2026-04-02 00:00 UT   17 50 13.5   -23 58 21     0.662    1.327  104.1   46.9   271   30.6 
2026-04-03 00:00 UT   17 51 28.6   -23 58 37     0.658    1.330  104.8   46.6   271   30.6 
2026-04-04 00:00 UT   17 52 40.9   -23 58 50     0.654    1.333  105.5   46.3   271   30.6 
2026-04-05 00:00 UT   17 53 50.3   -23 59 01     0.650    1.337  106.3   45.9   271   30.5 
2026-04-06 00:00 UT   17 54 56.8   -23 59 09     0.646    1.340  107.0   45.6   271   30.5 
2026-04-07 00:00 UT   17 56 00.3   -23 59 14     0.641    1.343  107.7   45.2   271   30.5 
2026-04-08 00:00 UT   17 57 00.7   -23 59 18     0.637    1.346  108.5   44.8   270   30.5 
2026-04-09 00:00 UT   17 57 58.0   -23 59 19     0.633    1.350  109.3   44.5   270   30.5 
2026-04-10 00:00 UT   17 58 52.2   -23 59 19     0.629    1.353  110.0   44.1   270   30.4 
2026-04-11 00:00 UT   17 59 43.1   -23 59 18     0.625    1.356  110.8   43.7   270   30.4 
2026-04-12 00:00 UT   18 00 30.6   -23 59 15     0.620    1.359  111.6   43.3   270   30.4 
2026-04-13 00:00 UT   18 01 14.8   -23 59 11     0.616    1.362  112.4   42.9   270   30.4 
2026-04-14 00:00 UT   18 01 55.5   -23 59 06     0.612    1.366  113.3   42.4   270   30.4 
2026-04-15 00:00 UT   18 02 32.7   -23 59 01     0.608    1.369  114.1   42.0   270   30.3 
2026-04-16 00:00 UT   18 03 06.4   -23 58 55     0.604    1.372  114.9   41.5   270   30.3 

    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.