Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 7 12.  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   ( -78.13,-122.64) 07/19/2021   06:29:05  ( -78.14,-122.74)    2.42                63
 07/19/2021   07:18:57   (  78.13,  44.64) 07/19/2021   07:19:50  (  78.12,  44.69)    1.82                53
 07/19/2021   08:10:02   ( -78.14,-148.07) 07/19/2021   08:10:35  ( -78.14,-148.12)    1.11                33
 07/19/2021   09:00:57   (  78.14,  19.20) 07/19/2021   09:01:20  (  78.12,  19.30)    3.28                23
 07/19/2021   09:52:02   ( -78.15,-173.50) 07/19/2021   09:52:05  ( -78.14,-173.51)    0.96                 3
 07/19/2021   10:42:57   (  78.15,  -6.23) 07/19/2021   10:42:51  (  78.16,  -6.30)    1.89                 6
 07/19/2021   11:34:02   ( -78.16, 161.06) 07/19/2021   11:33:35  ( -78.14, 161.11)    2.21                27
 07/19/2021   12:24:57   (  78.16, -31.67) 07/19/2021   12:24:21  (  78.16, -31.68)    0.45                36
 07/19/2021   13:16:02   ( -78.17, 135.63) 07/19/2021   13:15:06  ( -78.18, 135.51)    3.19                56
 07/19/2021   14:06:57   (  78.17, -57.10) 07/19/2021   14:05:51  (  78.16, -57.07)    1.05                66