2022 SW1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	3 Dec 2025	31.7	1.808 AU	1.913 AU	12h10m	+01°06'	68.9°	30.6°

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 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
2025-12-03 00:00 UT   12 10 04.8   +01 06 30     1.913    1.808   68.9   30.6   294   31.7 
2025-12-03 00:37 UT   12 10 06.8   +01 06 15     1.912    1.808   68.9   30.6   294   31.7 
2025-12-04 00:00 UT   12 11 24.4   +00 56 60     1.908    1.815   69.5   30.6   294   31.7 
2025-12-05 00:00 UT   12 12 42.8   +00 47 37     1.903    1.822   70.1   30.6   294   31.7 
2025-12-06 00:00 UT   12 13 60.0   +00 38 22     1.898    1.829   70.8   30.6   294   31.7 
2025-12-07 00:00 UT   12 15 16.0   +00 29 15     1.893    1.836   71.5   30.6   294   31.7 
2025-12-08 00:00 UT   12 16 30.8   +00 20 15     1.888    1.842   72.1   30.6   294   31.7 
2025-12-09 00:00 UT   12 17 44.4   +00 11 24     1.883    1.849   72.8   30.6   294   31.7 
2025-12-10 00:00 UT   12 18 56.7   +00 02 40     1.878    1.856   73.5   30.6   294   31.7 
2025-12-11 00:00 UT   12 20 07.8   +00 05 56     1.872    1.863   74.2   30.6   294   31.7 
2025-12-12 00:00 UT   12 21 17.7   +00 14 23     1.867    1.869   74.9   30.6   294   31.7 
2025-12-13 00:00 UT   12 22 26.2   +00 22 42     1.861    1.876   75.6   30.5   294   31.7 
2025-12-14 00:00 UT   12 23 33.5   +00 30 53     1.855    1.883   76.3   30.5   294   31.7 
2025-12-15 00:00 UT   12 24 39.4   +00 38 55     1.849    1.889   77.0   30.5   294   31.7 
2025-12-16 00:00 UT   12 25 44.1   +00 46 49     1.844    1.896   77.7   30.5   294   31.7 
2025-12-17 00:00 UT   12 26 47.3   +00 54 35     1.838    1.903   78.4   30.4   294   31.7 
2025-12-18 00:00 UT   12 27 49.3   -01 02 11     1.832    1.909   79.2   30.4   294   31.7 
2025-12-19 00:00 UT   12 28 49.8   -01 09 39     1.825    1.916   79.9   30.4   294   31.7 
2025-12-20 00:00 UT   12 29 49.0   -01 16 58     1.819    1.922   80.6   30.3   294   31.7 
2025-12-21 00:00 UT   12 30 46.7   -01 24 07     1.813    1.929   81.4   30.3   293   31.7 
2025-12-22 00:00 UT   12 31 43.0   -01 31 08     1.807    1.935   82.1   30.2   293   31.7 
2025-12-23 00:00 UT   12 32 37.9   -01 37 59     1.800    1.942   82.9   30.2   293   31.7 
2025-12-24 00:00 UT   12 33 31.3   -01 44 42     1.794    1.948   83.7   30.1   293   31.7 
2025-12-25 00:00 UT   12 34 23.2   -01 51 15     1.787    1.955   84.5   30.1   293   31.7 
2025-12-26 00:00 UT   12 35 13.6   -01 57 38     1.780    1.961   85.2   30.0   293   31.7 
2025-12-27 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 

    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.