Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 11 8.  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, -61.43) 11/10/2021   02:29:07  ( -77.60, -59.99)   34.93                71
 11/10/2021   03:18:50   (  77.71, 106.68) 11/10/2021   03:19:56  (  77.74, 106.66)    3.15                66
 11/10/2021   04:09:52   ( -77.71, -86.06) 11/10/2021   04:10:40  ( -77.72, -85.96)    2.75                48
 11/10/2021   05:00:50   (  77.72,  81.22) 11/10/2021   05:01:26  (  77.74,  81.28)    2.84                36
 11/10/2021   05:51:51   ( -77.76,-111.31) 11/10/2021   05:52:10  ( -77.72,-111.34)    3.95                19
 11/10/2021   06:42:49   (  77.76,  55.97) 11/10/2021   06:42:56  (  77.74,  55.91)    3.10                 7
 11/10/2021   07:33:51   ( -77.77,-136.77) 11/10/2021   07:33:41  ( -77.76,-136.91)    3.47                10
 11/10/2021   08:24:49   (  77.77,  30.51) 11/10/2021   08:24:26  (  77.74,  30.53)    3.56                23
 11/10/2021   09:15:51   ( -77.77,-162.22) 11/10/2021   09:15:11  ( -77.76,-162.29)    1.88                40
 11/10/2021   10:06:49   (  77.78,   5.05) 11/10/2021   10:05:57  (  77.78,   4.95)    2.29                52
 11/10/2021   10:57:51   ( -77.78, 172.32) 11/10/2021   10:56:41  ( -77.77, 172.34)    1.88                70
 11/10/2021   11:48:41   (  78.09, -18.67) 11/10/2021   11:47:35  (  78.10, -22.09)   78.52                66