Simultaneous Nadir Overpasses (SNOs) between METOP-B and NOAA-19
TLE Epoch: 2021 5 8.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 05/08/2021   20:45:13   ( -80.61,  78.46) 05/08/2021   20:44:06  ( -80.57,  75.10)   61.20                67
 05/08/2021   21:35:59   (  80.49,-115.94) 05/08/2021   21:35:04  (  80.50,-116.06)    2.76                55
 05/08/2021   22:26:40   ( -80.48,  51.34) 05/08/2021   22:26:01  ( -80.49,  51.46)    2.32                39
 05/08/2021   23:17:21   (  80.48,-141.39) 05/08/2021   23:17:04  (  80.49,-141.43)    1.85                17
 05/09/2021   00:08:01   ( -80.50,  26.22) 05/09/2021   00:08:01  ( -80.48,  26.09)    2.97                 0
 05/09/2021   00:58:43   (  80.47,-166.85) 05/09/2021   00:59:04  (  80.49,-166.80)    2.15                21
 05/09/2021   01:49:23   ( -80.49,   0.76) 05/09/2021   01:50:01  ( -80.47,   0.72)    1.83                38
 05/09/2021   02:40:05   (  80.46, 167.70) 05/09/2021   02:41:04  (  80.48, 167.83)    3.33                59
 05/09/2021   03:30:47   ( -80.43, -25.35) 05/09/2021   03:31:59  ( -80.43, -23.97)   25.39                72
 05/20/2021   00:30:54   (  80.49,-159.55) 05/20/2021   00:29:58  (  80.50,-159.44)    2.24                56
 05/20/2021   01:21:35   ( -80.50,   7.88) 05/20/2021   01:20:54  ( -80.51,   7.73)    2.85                41
 05/20/2021   02:12:15   (  80.51, 175.32) 05/20/2021   02:11:58  (  80.50, 175.19)    2.85                17
 05/20/2021   03:02:57   ( -80.49, -17.57) 05/20/2021   03:02:54  ( -80.50, -17.64)    1.65                 3
 05/20/2021   03:53:37   (  80.50, 149.87) 05/20/2021   03:53:58  (  80.49, 149.81)    1.39                21
 05/20/2021   04:44:18   ( -80.48, -43.03) 05/20/2021   04:44:53  ( -80.50, -43.02)    1.36                35
 05/20/2021   05:34:58   (  80.49, 124.41) 05/20/2021   05:35:57  (  80.49, 124.44)    0.90                59