Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 8.  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)
 04/09/2023   04:53:25   ( -70.51, -77.13) 04/09/2023   04:54:37  ( -70.47, -76.78)   13.75                72
 04/09/2023   05:44:07   (  70.28,  90.54) 04/09/2023   05:44:06  (  70.26,  90.55)    2.30                 1
 04/09/2023   06:34:48   ( -70.15,-101.93) 04/09/2023   06:33:36  ( -70.15,-101.98)    1.72                72
 04/11/2023   21:10:19   ( -70.35,  38.90) 04/11/2023   21:11:06  ( -70.37,  38.95)    2.95                47
 04/11/2023   22:01:03   (  70.23,-153.60) 04/11/2023   22:00:34  (  70.21,-153.64)    2.28                29
 04/14/2023   12:36:45   (  71.07, -13.84) 04/14/2023   12:37:53  (  70.95, -11.93)   70.34                68
 04/14/2023   13:27:14   ( -70.30, 154.74) 04/14/2023   13:27:33  ( -70.29, 154.72)    1.73                19
 04/14/2023   14:17:58   (  70.19, -37.76) 04/14/2023   14:17:00  (  70.18, -37.79)    1.19                58
 04/17/2023   04:53:28   (  70.36, 103.12) 04/17/2023   04:54:30  (  70.34, 103.04)    3.23                62
 04/17/2023   05:44:10   ( -70.27, -89.42) 04/17/2023   05:43:59  ( -70.29, -89.40)    2.57                11
 04/17/2023   06:34:44   (  69.62,  78.86) 04/17/2023   06:33:35  (  69.68,  77.39)   57.29                69
 04/19/2023   21:10:24   (  70.33,-141.07) 04/19/2023   21:10:55  (  70.36,-141.04)    2.95                31
 04/19/2023   22:01:06   ( -70.24,  26.40) 04/19/2023   22:00:25  ( -70.25,  26.44)    2.10                41