Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 6.  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   13:27:11   (  70.31, -25.28) 04/06/2023   13:27:38  (  70.32, -25.24)    1.53                27
 04/06/2023   14:17:52   ( -70.18, 142.25) 04/06/2023   14:17:08  ( -70.20, 142.22)    3.11                44
 04/09/2023   04:53:25   ( -70.53, -77.16) 04/09/2023   04:54:37  ( -70.46, -76.80)   15.13                72
 04/09/2023   05:44:06   (  70.25,  90.60) 04/09/2023   05:44:06  (  70.25,  90.53)    2.42                 0
 04/09/2023   06:34:48   ( -70.16,-101.96) 04/09/2023   06:33:35  ( -70.19,-101.92)    3.27                73
 04/11/2023   21:10:19   ( -70.36,  38.87) 04/11/2023   21:11:06  ( -70.36,  38.93)    2.20                47
 04/11/2023   22:01:03   (  70.24,-153.63) 04/11/2023   22:00:33  (  70.25,-153.58)    1.82                30
 04/14/2023   12:36:46   (  71.09, -13.86) 04/14/2023   12:37:53  (  70.98, -11.88)   72.63                67
 04/14/2023   13:27:15   ( -70.32, 154.72) 04/14/2023   13:27:33  ( -70.33, 154.77)    2.16                18
 04/14/2023   14:17:59   (  70.20, -37.78) 04/14/2023   14:17:00  (  70.22, -37.74)    2.43                59
 04/17/2023   04:53:29   (  70.37, 103.09) 04/17/2023   04:54:30  (  70.37, 103.09)    0.43                61
 04/17/2023   05:44:11   ( -70.28, -89.44) 04/17/2023   05:44:00  ( -70.26, -89.44)    1.51                11
 04/17/2023   06:34:45   (  69.64,  78.84) 04/17/2023   06:33:35  (  69.71,  77.43)   55.24                70
 04/19/2023   21:10:24   (  70.34,-141.09) 04/19/2023   21:10:55  (  70.32,-141.09)    2.50                31
 04/19/2023   22:01:06   ( -70.25,  26.38) 04/19/2023   22:00:25  ( -70.22,  26.39)    3.21                41