2022 SW1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Jan 2026	31.5	2.144 AU	1.567 AU	12h47m	-03°48'	112.3°	25.1°

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 2022 SW1 are:

            e (Eccentricity)                : 0.5235896
            a (Semimajor axis)              : 1.9494914
            i (Inclination)                 : 4.90676
            Ω (Longitude of ascending node) : 357.01148
            ω (Argument of perihelion)      : 39.66274
            M (Mean anomaly)                : 47.98641
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 36.57089
            B (Latitude of perihelion)      : 3.12955
            P (Orbital period in years)     : 2.72            
        

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
2026-01-25 00:00 UT   12 47 10.4   -03 48 57     1.567    2.144  112.3   25.1   292   31.5 
2026-01-25 08:01 UT   12 47 08.6   -03 49 13     1.565    2.146  112.7   25.1   292   31.5 
2026-01-26 00:00 UT   12 47 04.2   -03 49 41     1.560    2.150  113.3   24.9   292   31.4 
2026-01-27 00:00 UT   12 46 55.9   -03 50 13     1.553    2.155  114.4   24.6   292   31.4 
2026-01-28 00:00 UT   12 46 45.5   -03 50 33     1.546    2.161  115.4   24.3   292   31.4 
2026-01-29 00:00 UT   12 46 32.9   -03 50 40     1.540    2.167  116.5   24.0   292   31.4 
2026-01-30 00:00 UT   12 46 18.2   -03 50 35     1.533    2.172  117.6   23.7   292   31.4 
2026-01-31 00:00 UT   12 46 01.3   -03 50 17     1.526    2.178  118.7   23.4   292   31.4 
2026-02-01 00:00 UT   12 45 42.2   -03 49 47     1.520    2.184  119.8   23.1   292   31.4 
2026-02-02 00:00 UT   12 45 21.0   -03 49 03     1.514    2.189  120.9   22.7   292   31.4 
2026-02-03 00:00 UT   12 44 57.6   -03 48 08     1.507    2.195  122.0   22.4   292   31.3 
2026-02-04 00:00 UT   12 44 32.0   -03 46 59     1.501    2.200  123.1   22.0   292   31.3 
2026-02-05 00:00 UT   12 44 04.3   -03 45 38     1.495    2.206  124.2   21.7   292   31.3 
2026-02-06 00:00 UT   12 43 34.4   -03 44 04     1.489    2.211  125.4   21.3   292   31.3 
2026-02-07 00:00 UT   12 43 02.2   -03 42 17     1.484    2.217  126.5   21.0   292   31.3 
2026-02-08 00:00 UT   12 42 28.0   -03 40 17     1.478    2.222  127.7   20.6   292   31.3 
2026-02-09 00:00 UT   12 41 51.5   -03 38 05     1.472    2.228  128.8   20.2   292   31.3 
2026-02-10 00:00 UT   12 41 12.9   -03 35 40     1.467    2.233  130.0   19.8   292   31.2 
2026-02-11 00:00 UT   12 40 32.2   -03 33 02     1.462    2.239  131.2   19.4   292   31.2 
2026-02-12 00:00 UT   12 39 49.4   -03 30 11     1.457    2.244  132.4   19.0   292   31.2 
2026-02-13 00:00 UT   12 39 04.4   -03 27 08     1.452    2.249  133.6   18.5   292   31.2 
2026-02-14 00:00 UT   12 38 17.4   -03 23 53     1.447    2.255  134.8   18.1   292   31.2 
2026-02-15 00:00 UT   12 37 28.3   -03 20 25     1.443    2.260  136.0   17.7   292   31.2 
2026-02-16 00:00 UT   12 36 37.2   -03 16 46     1.438    2.265  137.2   17.2   292   31.1 
2026-02-17 00:00 UT   12 35 44.1   -03 12 54     1.434    2.270  138.5   16.8   292   31.1 
2026-02-18 00:00 UT   12 34 49.1   -03 08 51     1.430    2.276  139.7   16.3   292   31.1 
2026-02-19 00:00 UT   12 33 52.1   -03 04 36     1.426    2.281  141.0   15.8   293   31.1 
2026-02-20 00:00 UT   12 32 53.4   -03 00 10     1.423    2.286  142.3   15.4   293   31.1 
2026-02-21 00:00 UT   12 31 52.8   -02 55 33     1.419    2.291  143.5   14.9   293   31.1 
2026-02-22 00:00 UT   12 30 50.4   -02 50 45     1.416    2.296  144.8   14.4   293   31.0 
2026-02-23 00:00 UT   12 29 46.4   -02 45 47     1.413    2.302  146.1   13.9   293   31.0 
2026-02-24 00:00 UT   12 28 40.7   -02 40 38     1.411    2.307  147.4   13.4   293   31.0 

    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.