Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 11 4.  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   ( -77.54, -61.45) 11/10/2021   02:29:07  ( -77.59, -59.97)   35.92                71
 11/10/2021   03:18:50   (  77.70, 106.64) 11/10/2021   03:19:56  (  77.74, 106.67)    3.90                66
 11/10/2021   04:09:51   ( -77.75, -85.87) 11/10/2021   04:10:40  ( -77.72, -85.94)    3.32                49
 11/10/2021   05:00:49   (  77.75,  81.39) 11/10/2021   05:01:26  (  77.74,  81.29)    2.73                37
 11/10/2021   05:51:51   ( -77.75,-111.33) 11/10/2021   05:52:10  ( -77.72,-111.31)    3.83                19
 11/10/2021   06:42:49   (  77.75,  55.93) 11/10/2021   06:42:56  (  77.74,  55.91)    2.04                 7
 11/10/2021   07:33:51   ( -77.76,-136.79) 11/10/2021   07:33:41  ( -77.76,-136.89)    2.41                10
 11/10/2021   08:24:49   (  77.76,  30.47) 11/10/2021   08:24:26  (  77.74,  30.54)    3.14                23
 11/10/2021   09:15:51   ( -77.77,-162.24) 11/10/2021   09:15:11  ( -77.76,-162.27)    1.02                40
 11/10/2021   10:06:49   (  77.77,   5.01) 11/10/2021   10:05:57  (  77.78,   4.96)    1.68                52
 11/10/2021   10:57:51   ( -77.78, 172.30) 11/10/2021   10:56:41  ( -77.76, 172.36)    2.19                70
 11/10/2021   11:48:41   (  78.08, -18.71) 11/10/2021   11:47:35  (  78.10, -22.08)   77.51                66