Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 1.  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)
 04/01/2023   04:53:24   (  70.74, 102.49) 04/01/2023   04:54:35  (  70.61, 103.44)   37.65                71
 04/01/2023   05:43:59   ( -70.29, -89.47) 04/01/2023   05:44:09  ( -70.28, -89.41)    2.40                10
 04/01/2023   06:34:43   (  70.16,  78.04) 04/01/2023   06:33:36  (  70.18,  78.09)    2.55                67
 04/03/2023   21:10:14   (  70.34,-141.10) 04/03/2023   21:11:09  (  70.32,-141.11)    2.39                55
 04/03/2023   22:00:55   ( -70.21,  26.43) 04/03/2023   22:00:39  ( -70.21,  26.36)    2.74                16
 04/03/2023   22:51:26   (  69.39,-165.04) 04/03/2023   22:50:18  (  69.44,-167.06)   78.93                68
 04/06/2023   13:27:11   (  70.33, -25.30) 04/06/2023   13:27:37  (  70.30, -25.26)    3.30                26
 04/06/2023   14:17:52   ( -70.19, 142.23) 04/06/2023   14:17:07  ( -70.19, 142.21)    0.86                45
 04/09/2023   04:53:25   ( -70.49, -77.10) 04/09/2023   04:54:36  ( -70.44, -76.82)   12.00                71
 04/09/2023   05:44:07   (  70.27,  90.56) 04/09/2023   05:44:04  (  70.27,  90.58)    0.92                 3
 04/09/2023   06:34:47   ( -70.13,-101.90) 04/09/2023   06:33:33  ( -70.17,-101.94)    4.39                74
 04/11/2023   21:10:18   ( -70.34,  38.91) 04/11/2023   21:11:02  ( -70.36,  38.95)    2.22                44
 04/11/2023   22:01:02   (  70.23,-153.60) 04/11/2023   22:00:29  (  70.24,-153.57)    2.05                33
 04/14/2023   12:36:41   (  70.87, -13.49) 04/14/2023   12:37:51  (  70.76, -12.19)   49.25                70
 04/14/2023   13:27:14   ( -70.31, 154.74) 04/14/2023   13:27:27  ( -70.33, 154.79)    2.88                13
 04/14/2023   14:17:58   (  70.20, -37.77) 04/14/2023   14:16:54  (  70.21, -37.73)    2.23                64