2022 SW1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	26 Dec 2025	31.7	1.961 AU	1.780 AU	12h35m	-01°57'	85.2°	30.0°

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
2025-12-26 00:00 UT   12 35 13.6   -01 57 38     1.780    1.961   85.2   30.0   293   31.7 
2025-12-26 05:52 UT   12 35 25.7   -01 59 11     1.779    1.963   85.4   30.0   293   31.7 
2025-12-27 00:00 UT   12 36 02.5   -02 03 52     1.774    1.968   86.0   29.9   293   31.7 
2025-12-28 00:00 UT   12 36 49.9   -02 09 57     1.767    1.974   86.8   29.8   293   31.7 
2025-12-29 00:00 UT   12 37 35.7   -02 15 52     1.760    1.980   87.6   29.7   293   31.7 
2025-12-30 00:00 UT   12 38 19.9   -02 21 37     1.753    1.987   88.4   29.7   293   31.7 
2025-12-31 00:00 UT   12 39 02.6   -02 27 12     1.746    1.993   89.3   29.6   293   31.7 
2026-01-01 00:00 UT   12 39 43.6   -02 32 38     1.739    1.999   90.1   29.5   293   31.7 
2026-01-02 00:00 UT   12 40 23.1   -02 37 53     1.732    2.006   90.9   29.4   293   31.7 
2026-01-03 00:00 UT   12 41 00.8   -02 42 59     1.725    2.012   91.8   29.2   293   31.7 
2026-01-04 00:00 UT   12 41 37.0   -02 47 54     1.718    2.018   92.6   29.1   293   31.6 
2026-01-05 00:00 UT   12 42 11.4   -02 52 40     1.711    2.024   93.5   29.0   293   31.6 
2026-01-06 00:00 UT   12 42 44.1   -02 57 14     1.704    2.030   94.3   28.9   293   31.6 
2026-01-07 00:00 UT   12 43 15.1   -03 01 39     1.697    2.037   95.2   28.7   293   31.6 
2026-01-08 00:00 UT   12 43 44.4   -03 05 53     1.689    2.043   96.1   28.6   293   31.6 
2026-01-09 00:00 UT   12 44 11.8   -03 09 56     1.682    2.049   97.0   28.5   293   31.6 
2026-01-10 00:00 UT   12 44 37.5   -03 13 48     1.675    2.055   97.9   28.3   293   31.6 
2026-01-11 00:00 UT   12 45 01.3   -03 17 30     1.668    2.061   98.8   28.1   293   31.6 
2026-01-12 00:00 UT   12 45 23.3   -03 20 60     1.660    2.067   99.7   28.0   293   31.6 
2026-01-13 00:00 UT   12 45 43.4   -03 24 19     1.653    2.073  100.6   27.8   293   31.6 
2026-01-14 00:00 UT   12 46 01.6   -03 27 27     1.646    2.079  101.5   27.6   293   31.6 
2026-01-15 00:00 UT   12 46 17.9   -03 30 23     1.638    2.085  102.5   27.4   293   31.6 
2026-01-16 00:00 UT   12 46 32.2   -03 33 08     1.631    2.091  103.4   27.2   293   31.6 
2026-01-17 00:00 UT   12 46 44.6   -03 35 41     1.624    2.097  104.4   27.0   293   31.5 
2026-01-18 00:00 UT   12 46 55.0   -03 38 03     1.617    2.103  105.3   26.8   293   31.5 
2026-01-19 00:00 UT   12 47 03.4   -03 40 12     1.609    2.109  106.3   26.6   293   31.5 
2026-01-20 00:00 UT   12 47 09.7   -03 42 10     1.602    2.115  107.3   26.4   293   31.5 
2026-01-21 00:00 UT   12 47 14.0   -03 43 56     1.595    2.121  108.3   26.1   293   31.5 
2026-01-22 00:00 UT   12 47 16.2   -03 45 29     1.588    2.126  109.3   25.9   292   31.5 
2026-01-23 00:00 UT   12 47 16.4   -03 46 51     1.581    2.132  110.3   25.7   292   31.5 
2026-01-24 00:00 UT   12 47 14.4   -03 47 60     1.574    2.138  111.3   25.4   292   31.5 
2026-01-25 00:00 UT   12 47 10.4   -03 48 57     1.567    2.144  112.3   25.1   292   31.5 

    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.