Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 7 17.  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)
 07/17/2021   22:02:34   ( -81.36,  73.59) 07/17/2021   22:02:13  ( -81.35,  73.60)    1.30                21
 07/17/2021   22:52:01   (  81.35,-119.02) 07/17/2021   22:52:54  (  81.35,-119.02)    0.16                53
 07/20/2021   17:36:51   ( -81.36, 140.03) 07/20/2021   17:36:34  ( -81.35, 140.04)    1.73                17
 07/20/2021   18:26:18   (  81.35, -52.61) 07/20/2021   18:27:15  (  81.35, -52.60)    0.31                57
 07/23/2021   13:11:09   ( -81.34,-153.94) 07/23/2021   13:10:56  ( -81.36,-153.92)    1.68                13
 07/23/2021   14:00:35   (  81.35,  13.78) 07/23/2021   14:01:36  (  81.34,  13.80)    0.54                61
 07/26/2021   08:45:25   ( -81.34, -87.54) 07/26/2021   08:45:16  ( -81.36, -87.50)    1.71                 9
 07/26/2021   09:34:51   (  81.34,  80.14) 07/26/2021   09:35:56  (  81.34,  80.20)    0.95                65
 07/29/2021   04:19:42   ( -81.34, -21.16) 07/29/2021   04:19:37  ( -81.35, -21.09)    2.07                 5