Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 12.  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)
 04/14/2023   12:36:45   (  71.05, -13.80) 04/14/2023   12:37:53  (  70.98, -11.89)   69.57                68
 04/14/2023   13:27:14   ( -70.29, 154.77) 04/14/2023   13:27:33  ( -70.31, 154.75)    3.20                19
 04/14/2023   14:17:59   (  70.21, -37.81) 04/14/2023   14:17:00  (  70.21, -37.75)    2.09                59
 04/17/2023   04:53:29   (  70.39, 103.07) 04/17/2023   04:54:30  (  70.38, 103.09)    1.58                61
 04/17/2023   05:44:10   ( -70.25, -89.39) 04/17/2023   05:44:00  ( -70.26, -89.44)    2.31                10
 04/17/2023   06:34:45   (  69.65,  78.82) 04/17/2023   06:33:35  (  69.72,  77.44)   53.87                70
 04/19/2023   21:10:25   (  70.36,-141.12) 04/19/2023   21:10:56  (  70.35,-141.06)    2.69                31
 04/19/2023   22:01:06   ( -70.22,  26.43) 04/19/2023   22:00:26  ( -70.23,  26.41)    1.83                40
 04/22/2023   12:36:40   ( -70.67, 166.86) 04/22/2023   12:37:51  ( -70.56, 167.50)   26.23                71
 04/22/2023   13:27:19   (  70.29, -25.23) 04/22/2023   13:27:21  (  70.29, -25.26)    1.48                 2
 04/22/2023   14:18:01   ( -70.20, 142.23) 04/22/2023   14:16:51  ( -70.18, 142.22)    2.63                70
 04/25/2023   04:53:30   ( -70.34, -76.84) 04/25/2023   04:54:19  ( -70.36, -76.90)    3.40                49
 04/25/2023   05:44:14   (  70.23,  90.64) 04/25/2023   05:43:46  (  70.25,  90.58)    2.88                28