(21374) 1997 WS22
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today29 Feb 202418.61.234 AU0.562 AU218.71 LD84,086,915 km16h09m+35°09'101.7°51.8°
Brightest20 May 202413.41.122 AU0.111 AU43.17 LD16,596,662 km15h22m-16°01'172.7°6.6°
Approach21 May 202413.51.121 AU0.110 AU42.99 LD16,528,772 km15h13m-20°26'170.6°8.5°

Based on its absolute magnitude (Hₒ) of 17.5 and an albedo between 0.25 and 0.05, the estimated diameter of (21374) 1997 WS22 is 855 - 1915 m.

(21374) 1997 WS22- 2024-02-29

-1 year
-1 month
-1 day
+1 day
+1 month
+1 year

The interactive orbit chart above shows the near-earth object'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 light curve chart below shows the estimated development of the NEO's magnitude during its approach to earth.

The following all-sky chart shows the path of the NEO in the coming months.

The following chart shows the path of the NEO in the coming days or hours. The field of view is optimized for (~10x50) binoculars and finderscopes. A more printer-friendly version of the same chart can be found below.