Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 4.  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   (  70.29, -25.24) 04/06/2023   13:27:38  (  70.28, -25.30)    2.26                28
 04/06/2023   14:17:52   ( -70.21, 142.20) 04/06/2023   14:17:07  ( -70.22, 142.25)    2.49                45
 04/09/2023   04:53:25   ( -70.51, -77.13) 04/09/2023   04:54:37  ( -70.47, -76.79)   13.29                72
 04/09/2023   05:44:07   (  70.28,  90.54) 04/09/2023   05:44:06  (  70.25,  90.54)    3.27                 1
 04/09/2023   06:34:48   ( -70.14,-101.93) 04/09/2023   06:33:36  ( -70.14,-101.98)    2.15                72
 04/11/2023   21:10:19   ( -70.35,  38.90) 04/11/2023   21:11:06  ( -70.35,  38.92)    0.83                47
 04/11/2023   22:01:03   (  70.23,-153.61) 04/11/2023   22:00:33  (  70.24,-153.60)    0.76                30
 04/14/2023   12:36:44   (  71.03, -13.76) 04/14/2023   12:37:52  (  70.95, -11.92)   67.15                68
 04/14/2023   13:27:14   ( -70.31, 154.74) 04/14/2023   13:27:32  ( -70.30, 154.73)    1.62                18
 04/14/2023   14:17:58   (  70.20, -37.78) 04/14/2023   14:16:59  (  70.18, -37.79)    1.61                59
 04/17/2023   04:53:28   (  70.38, 103.09) 04/17/2023   04:54:28  (  70.36, 103.08)    1.82                60
 04/17/2023   05:44:10   ( -70.28, -89.44) 04/17/2023   05:43:58  ( -70.26, -89.44)    2.69                12
 04/17/2023   06:34:43   (  69.59,  78.92) 04/17/2023   06:33:34  (  69.64,  77.35)   61.12                69