2020 TY1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	28 Sep 2026	27.8	2.362 AU	2.996 AU	14h58m	-18°01'	42.8°	16.8°

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 2020 TY1 are:

            e (Eccentricity)                : 0.5410322
            a (Semimajor axis)              : 1.8742405
            i (Inclination)                 : 5.87421
            Ω (Longitude of ascending node) : 50.93614
            ω (Argument of perihelion)      : 49.04915
            M (Mean anomaly)                : 48.91062
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 99.83591
            B (Latitude of perihelion)      : 4.43328
            P (Orbital period in years)     : 2.57            
        

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
2026-09-28 00:00 UT   14 58 12.2   -18 01 11     2.996    2.362   42.8   16.8   108   27.8 
2026-09-28 07:48 UT   14 58 45.2   -18 03 46     3.001    2.363   42.6   16.7   108   27.8 
2026-09-29 00:00 UT   14 59 53.7   -18 09 07     3.010    2.366   42.3   16.5   108   27.8 
2026-09-30 00:00 UT   15 01 35.2   -18 16 59     3.023    2.371   41.7   16.3   107   27.8 
2026-10-01 00:00 UT   15 03 16.9   -18 24 47     3.037    2.376   41.1   16.1   107   27.8 
2026-10-02 00:00 UT   15 04 58.6   -18 32 31     3.050    2.380   40.6   15.9   107   27.8 
2026-10-03 00:00 UT   15 06 40.4   -18 40 12     3.063    2.385   40.0   15.7   107   27.9 
2026-10-04 00:00 UT   15 08 22.4   -18 47 49     3.076    2.390   39.5   15.4   107   27.9 
2026-10-05 00:00 UT   15 10 04.4   -18 55 22     3.089    2.394   38.9   15.2   107   27.9 
2026-10-06 00:00 UT   15 11 46.4   -19 02 51     3.102    2.399   38.3   15.0   107   27.9 
2026-10-07 00:00 UT   15 13 28.6   -19 10 16     3.114    2.403   37.8   14.8   107   27.9 
2026-10-08 00:00 UT   15 15 10.9   -19 17 38     3.127    2.408   37.2   14.5   107   27.9 
2026-10-09 00:00 UT   15 16 53.2   -19 24 55     3.139    2.412   36.6   14.3   107   27.9 
2026-10-10 00:00 UT   15 18 35.7   -19 32 09     3.151    2.417   36.1   14.1   107   27.9 
2026-10-11 00:00 UT   15 20 18.2   -19 39 19     3.164    2.421   35.5   13.9   107   27.9 
2026-10-12 00:00 UT   15 22 00.8   -19 46 24     3.176    2.426   34.9   13.6   106   27.9 
2026-10-13 00:00 UT   15 23 43.4   -19 53 26     3.188    2.430   34.4   13.4   106   27.9 
2026-10-14 00:00 UT   15 25 26.2   -20 00 24     3.199    2.434   33.8   13.2   106   27.9 
2026-10-15 00:00 UT   15 27 09.0   -20 07 18     3.211    2.439   33.2   12.9   106   27.9 
2026-10-16 00:00 UT   15 28 51.9   -20 14 08     3.223    2.443   32.6   12.7   106   27.9 
2026-10-17 00:00 UT   15 30 34.8   -20 20 54     3.234    2.447   32.1   12.5   106   27.9 
2026-10-18 00:00 UT   15 32 17.8   -20 27 36     3.245    2.452   31.5   12.3   106   27.9 

    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.