Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and METOP-C
TLE Epoch: 2021 12 9.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2021   07:56:08   ( -80.71, -87.92) 12/12/2021   07:57:16  ( -80.69, -88.01)    2.40                68
 12/12/2021   08:47:02   (  80.70,  79.63) 12/12/2021   08:47:57  (  80.70,  79.46)    3.16                55
 12/12/2021   09:38:07   ( -80.70,-113.00) 12/12/2021   09:38:37  ( -80.71,-113.15)    3.02                30
 12/12/2021   10:29:02   (  80.70,  54.19) 12/12/2021   10:29:18  (  80.72,  54.32)    3.01                16
 12/12/2021   11:20:08   ( -80.70,-138.79) 12/12/2021   11:19:59  ( -80.70,-138.63)    3.05                 9
 12/12/2021   12:11:02   (  80.70,  28.76) 12/12/2021   12:10:40  (  80.71,  28.84)    1.96                22
 12/12/2021   13:02:07   ( -80.70,-164.23) 12/12/2021   13:01:20  ( -80.69,-164.11)    2.72                47