Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 6 30.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/05/2021   00:45:07   ( -78.08, -37.72) 07/05/2021   00:46:21  ( -78.15, -37.16)   15.07                74
 07/05/2021   01:36:03   (  78.16, 130.02) 07/05/2021   01:37:07  (  78.17, 130.04)    1.26                64
 07/05/2021   02:27:05   ( -78.17, -62.70) 07/05/2021   02:27:52  ( -78.19, -62.75)    3.00                47
 07/05/2021   03:18:03   (  78.18, 104.59) 07/05/2021   03:18:37  (  78.18, 104.66)    1.64                34
 07/05/2021   04:09:05   ( -78.18, -88.13) 07/05/2021   04:09:22  ( -78.20, -88.14)    1.66                17
 07/05/2021   05:00:03   (  78.19,  79.16) 07/05/2021   05:00:07  (  78.18,  79.28)    2.86                 4
 07/05/2021   05:51:05   ( -78.19,-113.56) 07/05/2021   05:50:52  ( -78.20,-113.52)    0.94                13
 07/05/2021   06:42:03   (  78.20,  53.73) 07/05/2021   06:41:38  (  78.22,  53.67)    2.68                25
 07/05/2021   07:33:05   ( -78.20,-138.98) 07/05/2021   07:32:22  ( -78.20,-138.91)    1.84                43
 07/05/2021   08:24:03   (  78.21,  28.30) 07/05/2021   08:23:08  (  78.22,  28.29)    1.36                55
 07/05/2021   09:15:05   ( -78.22,-164.41) 07/05/2021   09:13:52  ( -78.20,-164.29)    3.19                73