Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 10 23.  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)
 10/26/2021   19:54:20   (  77.64,-143.09) 10/26/2021   19:55:32  (  77.69,-142.05)   25.59                72
 10/26/2021   20:45:15   ( -77.77,  24.88) 10/26/2021   20:46:18  ( -77.76,  24.97)    2.74                63
 10/26/2021   21:36:17   (  77.76,-167.92) 10/26/2021   21:37:04  (  77.78,-167.83)    2.65                47
 10/26/2021   22:27:15   ( -77.78,  -0.57) 10/26/2021   22:27:49  ( -77.80,  -0.61)    2.00                34
 10/26/2021   23:18:16   (  77.81, 166.84) 10/26/2021   23:18:34  (  77.78, 166.80)    3.87                18
 10/27/2021   00:09:15   ( -77.79, -26.03) 10/27/2021   00:09:19  ( -77.80, -25.98)    1.33                 4
 10/27/2021   01:00:16   (  77.82, 141.38) 10/27/2021   01:00:05  (  77.82, 141.22)    3.72                11
 10/27/2021   01:51:15   ( -77.80, -51.48) 10/27/2021   01:50:49  ( -77.80, -51.36)    2.85                26
 10/27/2021   02:42:15   (  77.83, 115.92) 10/27/2021   02:41:34  (  77.82, 115.85)    2.05                41
 10/27/2021   03:33:14   ( -77.80, -76.93) 10/27/2021   03:32:19  ( -77.84, -76.93)    3.50                55
 10/27/2021   04:24:15   (  77.83,  90.47) 10/27/2021   04:23:04  (  77.82,  90.47)    1.84                71