Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2021 8 16.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/29/2021   22:15:31   ( -77.46,   7.76) 08/29/2021   22:14:25  ( -77.46,   4.23)   85.20                66
 08/29/2021   23:06:16   (  77.23, 174.12) 08/29/2021   23:05:05  (  77.24, 172.56)   38.24                71
 08/29/2021   23:57:00   ( -77.13, -18.94) 08/29/2021   23:55:47  ( -77.13, -19.65)   17.76                73
 08/30/2021   00:47:42   (  77.03, 147.98) 08/30/2021   00:46:30  (  77.02, 148.09)    2.89                72
 08/30/2021   01:38:24   ( -77.02, -44.71) 08/30/2021   01:37:15  ( -77.04, -44.68)    2.35                69
 08/30/2021   02:29:03   (  77.05, 122.73) 08/30/2021   02:28:00  (  77.03, 122.71)    3.01                63
 08/30/2021   03:19:45   ( -77.05, -69.96) 08/30/2021   03:18:45  ( -77.05, -70.06)    2.61                60
 08/30/2021   04:10:25   (  77.03,  97.31) 08/30/2021   04:09:30  (  77.03,  97.32)    0.42                55