2016 NN15
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	19 Oct 2025	27.5	1.626 AU	0.649 AU	01h29m	+27°37'	162.2°	10.8°

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 2016 NN15 are:

            e (Eccentricity)                : 0.5064580
            a (Semimajor axis)              : 2.0683820
            i (Inclination)                 : 6.90659
            Ω (Longitude of ascending node) : 282.38954
            ω (Argument of perihelion)      : 9.03821
            M (Mean anomaly)                : 343.37436
            Epoch                           : 2025 May 05

            L (Longitude of perihelion)     : 291.36324
            B (Latitude of perihelion)      : 1.08242
            P (Orbital period in years)     : 2.97            
        

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
2025-10-19 00:00 UT   01 29 42.3   +27 37 38     0.649    1.626  162.2   10.8   176   27.5 
2025-10-19 14:06 UT   01 28 51.6   +27 27 58     0.652    1.630  162.5   10.6   174   27.5 
2025-10-20 00:00 UT   01 28 16.5   +27 21 08     0.655    1.633  162.7   10.4   172   27.5 
2025-10-21 00:00 UT   01 26 52.9   +27 04 33     0.661    1.640  163.1   10.2   167   27.5 
2025-10-22 00:00 UT   01 25 31.7   +26 47 54     0.668    1.647  163.4    9.9   162   27.6 
2025-10-23 00:00 UT   01 24 13.0   +26 31 14     0.675    1.654  163.6    9.8   157   27.6 
2025-10-24 00:00 UT   01 22 57.0   +26 14 32     0.682    1.661  163.7    9.7   152   27.6 
2025-10-25 00:00 UT   01 21 43.5   +25 57 53     0.689    1.668  163.7    9.6   147   27.6 
2025-10-26 00:00 UT   01 20 32.8   +25 41 16     0.697    1.675  163.6    9.7   143   27.7 
2025-10-27 00:00 UT   01 19 24.8   +25 24 43     0.705    1.681  163.3    9.8   138   27.7 
2025-10-28 00:00 UT   01 18 19.7   +25 08 16     0.713    1.688  163.0    9.9   133   27.7 
2025-10-29 00:00 UT   01 17 17.4   +24 51 56     0.721    1.695  162.6   10.1   129   27.8 
2025-10-30 00:00 UT   01 16 17.9   +24 35 44     0.730    1.702  162.1   10.3   125   27.8 
2025-10-31 00:00 UT   01 15 21.4   +24 19 42     0.738    1.709  161.5   10.6   121   27.9 
2025-11-01 00:00 UT   01 14 27.8   +24 03 50     0.747    1.716  160.9   10.9   117   27.9 
2025-11-02 00:00 UT   01 13 37.0   +23 48 10     0.756    1.723  160.2   11.3   114   28.0 
2025-11-03 00:00 UT   01 12 49.2   +23 32 43     0.765    1.730  159.4   11.6   111   28.0 
2025-11-04 00:00 UT   01 12 04.3   +23 17 29     0.775    1.737  158.6   12.0   108   28.1 
2025-11-05 00:00 UT   01 11 22.2   +23 02 30     0.785    1.743  157.8   12.4   106   28.1 
2025-11-06 00:00 UT   01 10 43.0   +22 47 46     0.794    1.750  157.0   12.8   103   28.2 
2025-11-07 00:00 UT   01 10 06.6   +22 33 17     0.804    1.757  156.1   13.2   101   28.2 
2025-11-08 00:00 UT   01 09 33.1   +22 19 05     0.815    1.764  155.2   13.6    99   28.3 
2025-11-09 00:00 UT   01 09 02.3   +22 05 09     0.825    1.771  154.2   14.1    97   28.3 
2025-11-10 00:00 UT   01 08 34.2   +21 51 31     0.836    1.777  153.3   14.5    95   28.4 
2025-11-11 00:00 UT   01 08 08.9   +21 38 11     0.847    1.784  152.4   14.9    94   28.4 
2025-11-12 00:00 UT   01 07 46.3   +21 25 09     0.858    1.791  151.4   15.3    92   28.5 
2025-11-13 00:00 UT   01 07 26.3   +21 12 25     0.869    1.798  150.5   15.8    91   28.5 
2025-11-14 00:00 UT   01 07 09.0   +21 00 01     0.881    1.804  149.5   16.2    90   28.6 

    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.