SL-4 R/B (ID 54156) Reentered

Yellow Icon – location of object at midpoint of reentry window
Blue Line – ground track uncertainty prior to middle of the reentry window (ticks at 5-minute intervals)
Yellow Line – ground track uncertainty after middle of the reentry window (ticks at 5-minute intervals)
Orange Line (if applicable) – area of visibility at the middle of the reentry window for a ground observer -- area of potential visibility if the reentry occurred at the middle of the window
White Line (if applicable) – day/night divider at middle of the reentry window (Sun location shown by White Icon; lighting shown at the center of the window)
Pink Icon (if applicable) – vicinity of eyewitness sighting or recovered debris
Note: Possible reentry locations lie anywhere along the blue and yellow ground track.  Areas not under the line are not exposed to the debris.