Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 11 10.  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   ( -77.55, -61.41) 11/10/2021   02:29:07  ( -77.59, -59.97)   34.80                71
 11/10/2021   03:18:50   (  77.71, 106.70) 11/10/2021   03:19:56  (  77.73, 106.68)    2.01                66
 11/10/2021   04:09:52   ( -77.72, -86.05) 11/10/2021   04:10:40  ( -77.72, -85.94)    2.48                48
 11/10/2021   05:00:50   (  77.72,  81.24) 11/10/2021   05:01:26  (  77.73,  81.31)    2.01                36
 11/10/2021   05:51:52   ( -77.72,-111.50) 11/10/2021   05:52:11  ( -77.76,-111.52)    4.20                19
 11/10/2021   06:42:50   (  77.73,  55.78) 11/10/2021   06:42:56  (  77.73,  55.93)    3.61                 6
 11/10/2021   07:33:51   ( -77.77,-136.75) 11/10/2021   07:33:41  ( -77.76,-136.90)    3.60                10
 11/10/2021   08:24:49   (  77.77,  30.53) 11/10/2021   08:24:27  (  77.77,  30.35)    4.21                22
 11/10/2021   09:15:51   ( -77.78,-162.20) 11/10/2021   09:15:11  ( -77.76,-162.27)    2.42                40
 11/10/2021   10:06:49   (  77.78,   5.07) 11/10/2021   10:05:57  (  77.77,   4.98)    2.41                52
 11/10/2021   10:57:51   ( -77.79, 172.34) 11/10/2021   10:56:41  ( -77.76, 172.35)    2.68                70
 11/10/2021   11:48:41   (  78.09, -18.64) 11/10/2021   11:47:35  (  78.10, -22.06)   78.49                66