2022 SW1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Feb 2026	31.0	2.312 AU	1.408 AU	12h27m	-02°35'	148.7°	12.9°

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
2026-02-25 00:00 UT   12 27 33.4   -02 35 20     1.408    2.312  148.7   12.9   293   31.0 
2026-02-25 10:26 UT   12 27 03.7   -02 32 59     1.407    2.314  149.2   12.6   293   31.0 
2026-02-26 00:00 UT   12 26 24.7   -02 29 53     1.406    2.317  150.0   12.3   293   31.0 
2026-02-27 00:00 UT   12 25 14.5   -02 24 17     1.404    2.322  151.3   11.8   293   31.0 
2026-02-28 00:00 UT   12 24 03.0   -02 18 32     1.402    2.327  152.6   11.3   293   30.9 
2026-03-01 00:00 UT   12 22 50.1   -02 12 39     1.401    2.332  153.9   10.8   293   30.9 
2026-03-02 00:00 UT   12 21 36.0   -02 06 38     1.400    2.337  155.3   10.2   293   30.9 
2026-03-03 00:00 UT   12 20 20.8   -02 00 30     1.399    2.342  156.6    9.7   293   30.9 
2026-03-04 00:00 UT   12 19 04.6   -01 54 15     1.398    2.347  157.9    9.1   293   30.9 
2026-03-05 00:00 UT   12 17 47.3   -01 47 54     1.398    2.352  159.3    8.6   293   30.8 
2026-03-06 00:00 UT   12 16 29.1   -01 41 26     1.398    2.357  160.6    8.0   293   30.8 
2026-03-07 00:00 UT   12 15 10.1   -01 34 53     1.398    2.362  161.9    7.5   293   30.8 
2026-03-08 00:00 UT   12 13 50.4   -01 28 15     1.399    2.366  163.3    6.9   293   30.8 
2026-03-09 00:00 UT   12 12 30.0   -01 21 32     1.399    2.371  164.6    6.4   293   30.8 
2026-03-10 00:00 UT   12 11 09.0   -01 14 45     1.400    2.376  166.0    5.8   294   30.7 
2026-03-11 00:00 UT   12 09 47.6   -01 07 55     1.402    2.381  167.4    5.2   294   30.7 
2026-03-12 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 

    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.