Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 11 1.  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)
 11/10/2021   02:27:56   ( -77.56, -61.36) 11/10/2021   02:29:08  ( -77.63, -60.12)   30.68                72
 11/10/2021   03:18:50   (  77.72, 106.72) 11/10/2021   03:19:56  (  77.73, 106.70)    1.69                66
 11/10/2021   04:09:52   ( -77.72, -86.00) 11/10/2021   04:10:40  ( -77.71, -85.89)    2.81                48
 11/10/2021   05:00:50   (  77.72,  81.26) 11/10/2021   05:01:26  (  77.73,  81.32)    1.69                36
 11/10/2021   05:51:52   ( -77.73,-111.45) 11/10/2021   05:52:11  ( -77.75,-111.47)    2.40                19
 11/10/2021   06:42:50   (  77.73,  55.80) 11/10/2021   06:42:56  (  77.73,  55.95)    3.44                 6
 11/10/2021   07:33:52   ( -77.74,-136.91) 11/10/2021   07:33:41  ( -77.75,-136.84)    2.13                11
 11/10/2021   08:24:50   (  77.74,  30.34) 11/10/2021   08:24:27  (  77.77,  30.37)    3.96                23
 11/10/2021   09:15:52   ( -77.75,-162.36) 11/10/2021   09:15:11  ( -77.75,-162.22)    3.44                41
 11/10/2021   10:06:49   (  77.78,   5.09) 11/10/2021   10:05:57  (  77.77,   4.99)    2.66                52
 11/10/2021   10:57:51   ( -77.75, 172.18) 11/10/2021   10:56:41  ( -77.79, 172.20)    4.43                70
 11/10/2021   11:48:40   (  78.10, -18.62) 11/10/2021   11:47:34  (  78.10, -22.05)   78.61                66