Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 10 16.  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   19:54:19   (  77.66,-142.95) 10/26/2021   19:55:31  (  77.68,-141.95)   23.64                72
 10/26/2021   20:45:15   ( -77.76,  24.84) 10/26/2021   20:46:18  ( -77.77,  24.89)    1.56                63
 10/26/2021   21:36:16   (  77.79,-167.77) 10/26/2021   21:37:03  (  77.76,-167.73)    3.73                47
 10/26/2021   22:27:15   ( -77.77,  -0.61) 10/26/2021   22:27:48  ( -77.77,  -0.49)    3.00                33
 10/26/2021   23:18:16   (  77.80, 166.77) 10/26/2021   23:18:34  (  77.80, 166.69)    1.88                18
 10/27/2021   00:09:15   ( -77.78, -26.07) 10/27/2021   00:09:19  ( -77.81, -26.06)    3.70                 4
 10/27/2021   01:00:16   (  77.81, 141.32) 10/27/2021   01:00:04  (  77.80, 141.32)    0.77                12
 10/27/2021   01:51:15   ( -77.79, -51.52) 10/27/2021   01:50:49  ( -77.81, -51.44)    3.34                26
 10/27/2021   02:42:16   (  77.81, 115.86) 10/27/2021   02:41:34  (  77.80, 115.95)    2.53                42
 10/27/2021   03:33:14   ( -77.84, -76.76) 10/27/2021   03:32:19  ( -77.81, -76.81)    2.77                55
 10/27/2021   04:24:16   (  77.82,  90.41) 10/27/2021   04:23:05  (  77.84,  90.37)    2.27                71