Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 5.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 04/06/2023   13:27:10   (  70.28, -25.23) 04/06/2023   13:27:38  (  70.29, -25.28)    2.07                28
 04/06/2023   14:17:52   ( -70.20, 142.21) 04/06/2023   14:17:08  ( -70.18, 142.19)    2.97                44
 04/09/2023   04:53:26   ( -70.55, -77.20) 04/09/2023   04:54:37  ( -70.48, -76.77)   17.85                71
 04/09/2023   05:44:07   (  70.27,  90.55) 04/09/2023   05:44:06  (  70.27,  90.57)    0.71                 1
 04/09/2023   06:34:48   ( -70.14,-101.92) 04/09/2023   06:33:36  ( -70.16,-101.96)    2.93                72
 04/11/2023   21:10:19   ( -70.34,  38.91) 04/11/2023   21:11:07  ( -70.32,  38.88)    2.76                48
 04/11/2023   22:01:03   (  70.22,-153.60) 04/11/2023   22:00:34  (  70.21,-153.64)    2.04                29
 04/14/2023   12:36:45   (  71.07, -13.83) 04/14/2023   12:37:53  (  70.94, -11.95)   69.89                68
 04/14/2023   13:27:14   ( -70.30, 154.75) 04/14/2023   13:27:33  ( -70.28, 154.71)    2.54                19
 04/14/2023   14:17:58   (  70.18, -37.76) 04/14/2023   14:17:00  (  70.17, -37.81)    2.45                58
 04/17/2023   04:53:28   (  70.36, 103.11) 04/17/2023   04:54:29  (  70.37, 103.08)    1.16                61
 04/17/2023   05:44:10   ( -70.27, -89.42) 04/17/2023   05:43:59  ( -70.26, -89.44)    0.83                11
 04/17/2023   06:34:44   (  69.63,  78.86) 04/17/2023   06:33:34  (  69.71,  77.43)   56.01                70