Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 7 17.  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)
 07/19/2021   06:28:02   ( -78.14,-122.57) 07/19/2021   06:29:05  ( -78.12,-122.66)    2.84                63
 07/19/2021   07:18:57   (  78.11,  44.51) 07/19/2021   07:19:50  (  78.14,  44.57)    3.67                53
 07/19/2021   08:10:01   ( -78.15,-148.00) 07/19/2021   08:10:34  ( -78.13,-148.05)    3.02                33
 07/19/2021   09:00:56   (  78.16,  19.30) 07/19/2021   09:01:20  (  78.14,  19.18)    3.19                24
 07/19/2021   09:52:01   ( -78.16,-173.43) 07/19/2021   09:52:04  ( -78.13,-173.43)    3.81                 3
 07/19/2021   10:42:56   (  78.17,  -6.13) 07/19/2021   10:42:50  (  78.14,  -6.20)    3.12                 6
 07/19/2021   11:34:02   ( -78.14, 160.92) 07/19/2021   11:33:35  ( -78.17, 160.97)    3.87                27
 07/19/2021   12:24:56   (  78.18, -31.56) 07/19/2021   12:24:20  (  78.14, -31.59)    3.69                36
 07/19/2021   13:16:01   ( -78.18, 135.71) 07/19/2021   13:15:05  ( -78.17, 135.58)    3.24                56
 07/19/2021   14:06:57   (  78.15, -57.22) 07/19/2021   14:05:51  (  78.19, -57.19)    4.02                66