2025 YR7
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	20 Sep 2026	27.6	1.518 AU	0.757 AU	19h42m	-09°10'	118.4°	35.6°

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 2025 YR7 are:

            e (Eccentricity)                : 0.2681243
            a (Semimajor axis)              : 1.2213280
            i (Inclination)                 : 9.29750
            Ω (Longitude of ascending node) : 291.74137
            ω (Argument of perihelion)      : 239.05608
            M (Mean anomaly)                : 73.31889
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 350.46226
            B (Latitude of perihelion)      : -7.96487
            P (Orbital period in years)     : 1.35            
        

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
2026-09-20 00:00 UT   19 42 04.4   -09 10 37     0.757    1.518  118.4   35.6    87   27.6 
2026-09-20 19:05 UT   19 42 40.4   -09 10 10     0.764    1.519  117.8   35.8    86   27.6 
2026-09-21 00:00 UT   19 42 49.9   -09 10 02     0.766    1.520  117.6   35.8    86   27.6 
2026-09-22 00:00 UT   19 43 37.5   -09 09 24     0.776    1.521  116.9   36.1    86   27.6 
2026-09-23 00:00 UT   19 44 27.3   -09 08 43     0.785    1.522  116.1   36.3    86   27.7 
2026-09-24 00:00 UT   19 45 19.2   -09 07 59     0.795    1.524  115.4   36.5    85   27.7 
2026-09-25 00:00 UT   19 46 13.1   -09 07 11     0.804    1.525  114.7   36.7    85   27.7 
2026-09-26 00:00 UT   19 47 09.0   -09 06 20     0.813    1.526  113.9   36.9    85   27.8 
2026-09-27 00:00 UT   19 48 06.9   -09 05 25     0.823    1.527  113.2   37.1    85   27.8 
2026-09-28 00:00 UT   19 49 06.6   -09 04 26     0.833    1.528  112.5   37.3    84   27.8 
2026-09-29 00:00 UT   19 50 08.1   -09 03 23     0.842    1.530  111.8   37.5    84   27.9 
2026-09-30 00:00 UT   19 51 11.5   -09 02 16     0.852    1.531  111.1   37.6    84   27.9 
2026-10-01 00:00 UT   19 52 16.5   -09 01 05     0.861    1.532  110.4   37.8    83   27.9 
2026-10-02 00:00 UT   19 53 23.3   -08 59 49     0.871    1.533  109.7   37.9    83   28.0 
2026-10-03 00:00 UT   19 54 31.7   -08 58 29     0.881    1.534  109.0   38.1    83   28.0 
2026-10-04 00:00 UT   19 55 41.7   -08 57 04     0.890    1.535  108.4   38.2    83   28.0 
2026-10-05 00:00 UT   19 56 53.3   -08 55 34     0.900    1.536  107.7   38.3    82   28.0 
2026-10-06 00:00 UT   19 58 06.5   -08 53 59     0.910    1.537  107.0   38.5    82   28.1 
2026-10-07 00:00 UT   19 59 21.1   -08 52 19     0.920    1.538  106.4   38.6    82   28.1 
2026-10-08 00:00 UT   20 00 37.3   -08 50 34     0.929    1.538  105.7   38.7    82   28.1 
2026-10-09 00:00 UT   20 01 54.9   -08 48 43     0.939    1.539  105.1   38.8    81   28.1 
2026-10-10 00:00 UT   20 03 13.9   -08 46 46     0.949    1.540  104.5   38.9    81   28.2 
2026-10-11 00:00 UT   20 04 34.4   -08 44 44     0.959    1.541  103.8   39.0    81   28.2 
2026-10-12 00:00 UT   20 05 56.1   -08 42 36     0.969    1.541  103.2   39.1    80   28.2 
2026-10-13 00:00 UT   20 07 19.2   -08 40 22     0.979    1.542  102.6   39.2    80   28.3 
2026-10-14 00:00 UT   20 08 43.6   -08 38 02     0.988    1.543  101.9   39.2    80   28.3 
2026-10-15 00:00 UT   20 10 09.2   -08 35 35     0.998    1.543  101.3   39.3    80   28.3 
2026-10-16 00:00 UT   20 11 36.0   -08 33 02     1.008    1.544  100.7   39.4    79   28.3 
2026-10-17 00:00 UT   20 13 04.1   -08 30 24     1.018    1.545  100.1   39.4    79   28.3 
2026-10-18 00:00 UT   20 14 33.2   -08 27 38     1.028    1.545   99.5   39.5    79   28.4 
2026-10-19 00:00 UT   20 16 03.5   -08 24 46     1.037    1.546   98.9   39.6    79   28.4 

    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.