Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 7 4.  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   ( -70.32, -89.30) 07/06/2023   05:43:43  ( -70.32, -89.28)    0.94                36
 07/06/2023   06:33:51   (  70.19,  78.20) 07/06/2023   06:33:10  (  70.22,  78.22)    3.04                41
 07/08/2023   21:09:29   (  70.81,-141.66) 07/08/2023   21:10:39  (  70.69,-140.47)   45.53                70
 07/08/2023   22:00:02   ( -70.26,  26.55) 07/08/2023   22:00:15  ( -70.25,  26.51)    1.58                13
 07/08/2023   22:50:46   (  70.13,-165.95) 07/08/2023   22:49:42  (  70.15,-165.99)    2.52                64
 07/11/2023   13:26:16   (  70.34, -25.14) 07/11/2023   13:27:16  (  70.34, -25.13)    0.73                60
 07/11/2023   14:16:58   ( -70.25, 142.31) 07/11/2023   14:16:46  ( -70.23, 142.35)    3.01                12
 07/11/2023   15:07:31   (  69.55, -49.33) 07/11/2023   15:06:22  (  69.63, -50.85)   59.68                69
 07/14/2023   05:43:11   (  70.29,  90.69) 07/14/2023   05:43:47  (  70.29,  90.69)    0.52                36
 07/14/2023   06:33:53   ( -70.20,-101.85) 07/14/2023   06:33:17  ( -70.18,-101.83)    2.17                36
 07/16/2023   21:09:32   ( -70.94,  38.10) 07/16/2023   21:10:41  ( -70.83,  39.73)   60.59                69
 07/16/2023   22:00:05   (  70.25,-153.48) 07/16/2023   22:00:17  (  70.23,-153.52)    3.40                12
 07/16/2023   22:50:47   ( -70.16,  13.98) 07/16/2023   22:49:46  ( -70.18,  14.04)    3.06                61