Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 7 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)
 07/20/2021   17:36:51   ( -81.36, 140.03) 07/20/2021   17:36:34  ( -81.35, 140.03)    1.73                17
 07/20/2021   18:26:18   (  81.35, -52.59) 07/20/2021   18:27:15  (  81.35, -52.60)    0.42                57
 07/23/2021   13:11:09   ( -81.35,-153.89) 07/23/2021   13:10:56  ( -81.36,-153.93)    1.55                13
 07/23/2021   14:00:35   (  81.35,  13.83) 07/23/2021   14:01:36  (  81.34,  13.80)    0.79                61
 07/26/2021   08:45:25   ( -81.35, -87.43) 07/26/2021   08:45:16  ( -81.36, -87.51)    1.61                 9
 07/26/2021   09:34:51   (  81.35,  80.26) 07/26/2021   09:35:56  (  81.34,  80.20)    1.32                65
 07/29/2021   04:19:42   ( -81.35, -20.97) 07/29/2021   04:19:37  ( -81.35, -21.09)    2.20                 5
 07/29/2021   05:09:08   (  81.35, 146.70) 07/29/2021   05:10:17  (  81.34, 146.59)    2.07                69
 07/31/2021   23:04:35   (  81.29,-123.34) 07/31/2021   23:03:22  (  81.41,-123.86)   16.15                73
 07/31/2021   23:53:59   ( -81.35,  45.50) 07/31/2021   23:53:58  ( -81.35,  45.31)    3.16                 1