Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 3 28.  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)
 03/29/2023   13:27:02   ( -70.32, 154.71) 03/29/2023   13:27:39  ( -70.30, 154.74)    3.07                37
 03/29/2023   14:17:46   (  70.20, -37.78) 03/29/2023   14:17:06  (  70.19, -37.76)    0.82                40
 04/01/2023   04:53:21   (  70.57, 102.76) 04/01/2023   04:54:32  (  70.48, 103.26)   21.55                71
 04/01/2023   05:43:59   ( -70.28, -89.45) 04/01/2023   05:44:04  ( -70.25, -89.43)    3.11                 5
 04/01/2023   06:34:43   (  70.15,  78.05) 04/01/2023   06:33:31  (  70.14,  78.06)    1.34                72
 04/03/2023   21:10:14   (  70.33,-141.09) 04/03/2023   21:10:58  (  70.33,-141.06)    1.33                44
 04/03/2023   22:00:55   ( -70.19,  26.45) 04/03/2023   22:00:28  ( -70.21,  26.41)    2.71                27
 04/06/2023   12:36:37   ( -70.96, 166.36) 04/06/2023   12:37:46  ( -70.85, 167.98)   59.88                69
 04/06/2023   13:27:10   (  70.26, -25.20) 04/06/2023   13:27:21  (  70.30, -25.20)    3.65                11
 04/06/2023   14:17:52   ( -70.17, 142.25) 04/06/2023   14:16:51  ( -70.19, 142.28)    1.64                61
 04/09/2023   04:53:21   ( -70.32, -76.83) 04/09/2023   04:54:16  ( -70.34, -76.88)    2.72                55
 04/09/2023   05:44:05   (  70.21,  90.66) 04/09/2023   05:43:43  (  70.22,  90.60)    2.76                22