2022 SW1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	11 Mar 2026	30.7	2.381 AU	1.402 AU	12h09m	-01°07'	167.4°	5.2°

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
2026-03-11 00:00 UT   12 09 47.6   -01 07 55     1.402    2.381  167.4    5.2   294   30.7 
2026-03-11 14:35 UT   12 08 57.9   -01 03 44     1.403    2.384  168.2    4.9   294   30.7 
2026-03-12 00:00 UT   12 08 25.8   -01 01 02     1.403    2.386  168.7    4.7   294   30.7 
2026-03-13 00:00 UT   12 07 03.7   +00 54 06     1.405    2.390  170.1    4.1   294   30.7 
2026-03-14 00:00 UT   12 05 41.4   +00 47 08     1.408    2.395  171.4    3.5   294   30.6 
2026-03-15 00:00 UT   12 04 19.1   +00 40 09     1.410    2.400  172.8    3.0   295   30.6 
2026-03-16 00:00 UT   12 02 56.7   +00 33 10     1.413    2.405  174.1    2.4   296   30.6 
2026-03-17 00:00 UT   12 01 34.4   +00 26 10     1.416    2.409  175.5    1.9   297   30.6 
2026-03-18 00:00 UT   12 00 12.3   +00 19 11     1.420    2.414  176.8    1.3   298   30.5 
2026-03-19 00:00 UT   11 58 50.5   +00 12 13     1.423    2.419  178.2    0.7   303   30.5 
2026-03-20 00:00 UT   11 57 29.1   +00 05 16     1.427    2.423  179.5    0.2   331   30.4 
2026-03-21 00:00 UT   11 56 08.1   +00 01 39     1.432    2.428  179.0    0.4    92   30.5 
2026-03-22 00:00 UT   11 54 47.7   +00 08 31     1.436    2.432  177.7    0.9   104   30.5 
2026-03-23 00:00 UT   11 53 28.0   +00 15 19     1.441    2.437  176.4    1.5   107   30.6 
2026-03-24 00:00 UT   11 52 09.0   +00 22 04     1.447    2.441  175.0    2.0   108   30.6 
2026-03-25 00:00 UT   11 50 50.8   +00 28 45     1.452    2.446  173.7    2.6   109   30.7 
2026-03-26 00:00 UT   11 49 33.5   +00 35 21     1.458    2.450  172.4    3.1   110   30.7 
2026-03-27 00:00 UT   11 48 17.2   +00 41 51     1.464    2.455  171.0    3.6   110   30.8 
2026-03-28 00:00 UT   11 47 01.9   +00 48 16     1.471    2.459  169.7    4.1   110   30.8 
2026-03-29 00:00 UT   11 45 47.7   +00 54 35     1.478    2.464  168.4    4.7   111   30.9 
2026-03-30 00:00 UT   11 44 34.7   +01 00 48     1.485    2.468  167.1    5.2   111   30.9 
2026-03-31 00:00 UT   11 43 23.0   +01 06 54     1.492    2.472  165.8    5.7   111   31.0 
2026-04-01 00:00 UT   11 42 12.5   +01 12 53     1.500    2.477  164.5    6.2   111   31.0 
2026-04-02 00:00 UT   11 41 03.4   +01 18 44     1.507    2.481  163.2    6.7   111   31.0 
2026-04-03 00:00 UT   11 39 55.7   +01 24 28     1.516    2.485  161.9    7.2   111   31.1 
2026-04-04 00:00 UT   11 38 49.5   +01 30 03     1.524    2.490  160.7    7.6   111   31.1 
2026-04-05 00:00 UT   11 37 44.7   +01 35 31     1.533    2.494  159.4    8.1   111   31.2 

    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.