2019 SL7
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	16 Dec 2025	32.6	4.182 AU	5.164 AU	17h46m	-21°19'	3.5°	0.8°

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 2019 SL7 are:

            e (Eccentricity)                : 0.6977019
            a (Semimajor axis)              : 2.4827434
            i (Inclination)                 : 2.73690
            Ω (Longitude of ascending node) : 198.53548
            ω (Argument of perihelion)      : 244.17242
            M (Mean anomaly)                : 192.77875
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 262.68225
            B (Latitude of perihelion)      : -2.46333
            P (Orbital period in years)     : 3.91            
        

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
2025-12-16 00:00 UT   17 46 09.9   -21 19 55     5.164    4.182    3.5    0.8    56   32.6 
2025-12-16 15:55 UT   17 46 51.8   -21 20 07     5.163    4.181    3.1    0.7    50   32.6 
2025-12-17 00:00 UT   17 47 13.1   -21 20 13     5.163    4.181    2.9    0.7    47   32.6 
2025-12-18 00:00 UT   17 48 16.3   -21 20 30     5.163    4.180    2.5    0.6    34   32.6 
2025-12-19 00:00 UT   17 49 19.6   -21 20 45     5.162    4.179    2.1    0.5    16   32.6 
2025-12-20 00:00 UT   17 50 22.9   -21 20 57     5.161    4.178    2.1    0.5   355   32.6 
2025-12-21 00:00 UT   17 51 26.2   -21 21 08     5.160    4.177    2.3    0.5   335   32.6 
2025-12-22 00:00 UT   17 52 29.6   -21 21 17     5.158    4.176    2.7    0.6   320   32.6 
2025-12-23 00:00 UT   17 53 32.9   -21 21 24     5.157    4.175    3.3    0.8   310   32.6 
2025-12-24 00:00 UT   17 54 36.3   -21 21 29     5.155    4.174    3.9    0.9   302   32.6 
2025-12-25 00:00 UT   17 55 39.6   -21 21 32     5.153    4.173    4.6    1.1   297   32.6 
2025-12-26 00:00 UT   17 56 43.0   -21 21 33     5.151    4.172    5.3    1.2   293   32.7 
2025-12-27 00:00 UT   17 57 46.3   -21 21 32     5.148    4.171    6.0    1.4   290   32.7 
2025-12-28 00:00 UT   17 58 49.6   -21 21 29     5.145    4.170    6.7    1.6   288   32.7 
2025-12-29 00:00 UT   17 59 52.9   -21 21 25     5.142    4.169    7.5    1.8   286   32.7 
2025-12-30 00:00 UT   18 00 56.1   -21 21 18     5.139    4.168    8.2    1.9   284   32.7 
2025-12-31 00:00 UT   18 01 59.3   -21 21 10     5.136    4.167    9.0    2.1   283   32.7 
2026-01-01 00:00 UT   18 03 02.5   -21 20 59     5.132    4.166    9.7    2.3   282   32.7 
2026-01-02 00:00 UT   18 04 05.6   -21 20 47     5.128    4.165   10.5    2.5   281   32.7 
2026-01-03 00:00 UT   18 05 08.6   -21 20 33     5.124    4.164   11.2    2.6   280   32.7 
2026-01-04 00:00 UT   18 06 11.6   -21 20 17     5.119    4.163   12.0    2.8   279   32.8 
2026-01-05 00:00 UT   18 07 14.5   -21 19 59     5.115    4.162   12.8    3.0   279   32.8 
2026-01-06 00:00 UT   18 08 17.3   -21 19 39     5.110    4.160   13.5    3.2   278   32.8 
2026-01-07 00:00 UT   18 09 20.0   -21 19 17     5.105    4.159   14.3    3.3   277   32.8 
2026-01-08 00:00 UT   18 10 22.7   -21 18 54     5.100    4.158   15.1    3.5   277   32.8 
2026-01-09 00:00 UT   18 11 25.2   -21 18 28     5.094    4.157   15.8    3.7   276   32.8 
2026-01-10 00:00 UT   18 12 27.7   -21 18 01     5.089    4.156   16.6    3.9   276   32.8 
2026-01-11 00:00 UT   18 13 30.0   -21 17 31     5.083    4.155   17.4    4.1   275   32.8 
2026-01-12 00:00 UT   18 14 32.2   -21 17 00     5.077    4.153   18.1    4.2   275   32.8 
2026-01-13 00:00 UT   18 15 34.3   -21 16 27     5.070    4.152   18.9    4.4   275   32.8 
2026-01-14 00:00 UT   18 16 36.3   -21 15 53     5.064    4.151   19.7    4.6   274   32.8 
2026-01-15 00:00 UT   18 17 38.1   -21 15 16     5.057    4.150   20.5    4.8   274   32.8 

    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.