2019 TN1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	20 Dec 2025	34.3	4.195 AU	4.825 AU	14h41m	-14°20'	45.5°	9.6°

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 2019 TN1 are:

            e (Eccentricity)                : 0.6156624
            a (Semimajor axis)              : 2.6099515
            i (Inclination)                 : 2.81627
            Ω (Longitude of ascending node) : 181.04312
            ω (Argument of perihelion)      : 216.41351
            M (Mean anomaly)                : 158.02610
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 217.42356
            B (Latitude of perihelion)      : -1.67133
            P (Orbital period in years)     : 4.22            
        

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
2025-12-20 00:00 UT   14 41 40.6   -14 20 47     4.825    4.195   45.5    9.6   289   34.3 
2025-12-20 09:02 UT   14 41 58.9   -14 22 03     4.821    4.195   45.8    9.7   289   34.3 
2025-12-21 00:00 UT   14 42 29.1   -14 24 09     4.814    4.196   46.4    9.8   289   34.3 
2025-12-22 00:00 UT   14 43 17.3   -14 27 28     4.803    4.196   47.2    9.9   289   34.3 
2025-12-23 00:00 UT   14 44 05.1   -14 30 45     4.791    4.197   48.0   10.0   289   34.3 
2025-12-24 00:00 UT   14 44 52.6   -14 33 59     4.780    4.198   48.8   10.2   289   34.3 
2025-12-25 00:00 UT   14 45 39.6   -14 37 10     4.768    4.198   49.6   10.3   288   34.3 
2025-12-26 00:00 UT   14 46 26.3   -14 40 18     4.756    4.199   50.5   10.4   288   34.3 
2025-12-27 00:00 UT   14 47 12.5   -14 43 24     4.744    4.200   51.3   10.5   288   34.3 
2025-12-28 00:00 UT   14 47 58.3   -14 46 26     4.732    4.200   52.1   10.6   288   34.3 
2025-12-29 00:00 UT   14 48 43.7   -14 49 26     4.719    4.201   52.9   10.8   288   34.3 
2025-12-30 00:00 UT   14 49 28.7   -14 52 22     4.707    4.201   53.8   10.9   288   34.3 
2025-12-31 00:00 UT   14 50 13.2   -14 55 16     4.694    4.202   54.6   11.0   288   34.3 
2026-01-01 00:00 UT   14 50 57.3   -14 58 07     4.682    4.202   55.4   11.1   288   34.3 
2026-01-02 00:00 UT   14 51 40.9   -15 00 55     4.669    4.203   56.3   11.2   288   34.3 
2026-01-03 00:00 UT   14 52 24.0   -15 03 40     4.656    4.203   57.1   11.3   288   34.3 
2026-01-04 00:00 UT   14 53 06.7   -15 06 22     4.642    4.204   58.0   11.4   288   34.3 
2026-01-05 00:00 UT   14 53 48.9   -15 09 01     4.629    4.204   58.8   11.5   288   34.3 
2026-01-06 00:00 UT   14 54 30.6   -15 11 37     4.615    4.205   59.6   11.6   288   34.3 
2026-01-07 00:00 UT   14 55 11.8   -15 14 10     4.602    4.205   60.5   11.7   287   34.2 
2026-01-08 00:00 UT   14 55 52.4   -15 16 40     4.588    4.206   61.3   11.8   287   34.2 
2026-01-09 00:00 UT   14 56 32.6   -15 19 06     4.574    4.206   62.2   11.9   287   34.2 
2026-01-10 00:00 UT   14 57 12.2   -15 21 30     4.560    4.207   63.0   12.0   287   34.2 
2026-01-11 00:00 UT   14 57 51.3   -15 23 50     4.546    4.207   63.9   12.1   287   34.2 
2026-01-12 00:00 UT   14 58 29.8   -15 26 08     4.532    4.208   64.8   12.2   287   34.2 
2026-01-13 00:00 UT   14 59 07.8   -15 28 22     4.518    4.208   65.6   12.3   287   34.2 
2026-01-14 00:00 UT   14 59 45.2   -15 30 32     4.503    4.209   66.5   12.4   287   34.2 
2026-01-15 00:00 UT   15 00 22.0   -15 32 40     4.489    4.209   67.4   12.5   287   34.2 
2026-01-16 00:00 UT   15 00 58.2   -15 34 44     4.474    4.209   68.2   12.5   287   34.2 
2026-01-17 00:00 UT   15 01 33.8   -15 36 45     4.459    4.210   69.1   12.6   287   34.2 
2026-01-18 00:00 UT   15 02 08.7   -15 38 42     4.444    4.210   70.0   12.7   287   34.2 
2026-01-19 00:00 UT   15 02 43.0   -15 40 36     4.429    4.211   70.8   12.8   287   34.2 

    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.