Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 8 18.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2021   16:04:23   (  81.33, -17.46) 08/20/2021   16:03:40  (  81.34, -17.30)    2.87                43
 08/20/2021   16:53:50   ( -81.33, 150.14) 08/20/2021   16:54:20  ( -81.33, 150.26)    2.15                30
 08/23/2021   11:38:38   (  81.33,  48.94) 08/23/2021   11:38:00  (  81.35,  48.92)    1.74                38
 08/23/2021   12:28:05   ( -81.33,-143.44) 08/23/2021   12:28:40  ( -81.34,-143.48)    1.08                35
 08/26/2021   07:12:54   (  81.33, 115.31) 08/26/2021   07:12:20  (  81.34, 115.50)    3.39                34
 08/26/2021   08:02:21   ( -81.33, -77.04) 08/26/2021   08:03:00  ( -81.33, -76.86)    2.98                39
 08/29/2021   02:47:09   (  81.34,-177.96) 08/29/2021   02:46:40  (  81.33,-177.93)    1.54                29
 08/29/2021   03:36:37   ( -81.32, -10.67) 08/29/2021   03:37:21  ( -81.33, -10.64)    0.95                44
 08/31/2021   22:21:24   (  81.34,-111.65) 08/31/2021   22:21:00  (  81.34,-111.76)    1.87                24