Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 7 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)
 07/06/2023   05:43:07   ( -70.30, -89.28) 07/06/2023   05:43:43  ( -70.33, -89.26)    3.15                36
 07/06/2023   06:33:51   (  70.18,  78.22) 07/06/2023   06:33:11  (  70.18,  78.17)    2.17                40
 07/08/2023   21:09:29   (  70.80,-141.63) 07/08/2023   21:10:39  (  70.70,-140.46)   44.28                70
 07/08/2023   22:00:02   ( -70.24,  26.57) 07/08/2023   22:00:15  ( -70.26,  26.52)    3.00                13
 07/08/2023   22:50:47   (  70.17,-166.01) 07/08/2023   22:49:42  (  70.16,-165.98)    1.47                65
 07/11/2023   13:26:16   (  70.32, -25.11) 07/11/2023   13:27:16  (  70.34, -25.13)    1.37                60
 07/11/2023   14:16:58   ( -70.24, 142.34) 07/11/2023   14:16:46  ( -70.22, 142.35)    1.53                12
 07/11/2023   15:07:31   (  69.53, -49.30) 07/11/2023   15:06:22  (  69.63, -50.85)   60.95                69
 07/14/2023   05:43:10   (  70.28,  90.72) 07/14/2023   05:43:46  (  70.28,  90.67)    1.93                36
 07/14/2023   06:33:52   ( -70.19,-101.83) 07/14/2023   06:33:16  ( -70.17,-101.85)    2.46                36
 07/16/2023   21:09:32   ( -70.93,  38.13) 07/16/2023   21:10:41  ( -70.79,  39.68)   58.58                69
 07/16/2023   22:00:05   (  70.23,-153.45) 07/16/2023   22:00:16  (  70.25,-153.48)    2.06                11
 07/16/2023   22:50:47   ( -70.14,  14.00) 07/16/2023   22:49:46  ( -70.15,  14.00)    0.18                61
 07/19/2023   13:26:16   ( -70.31, 154.88) 07/19/2023   13:27:19  ( -70.32, 154.85)    1.14                63
 07/19/2023   14:17:00   (  70.20, -37.64) 07/19/2023   14:16:46  (  70.20, -37.67)    1.20                14
 07/19/2023   15:07:34   ( -69.68, 130.45) 07/19/2023   15:06:23  ( -69.72, 129.28)   45.39                71