Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 6 29.  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)
 06/30/2023   21:09:25   ( -70.80,  38.40) 06/30/2023   21:10:35  ( -70.70,  39.53)   43.27                70
 06/30/2023   22:00:01   (  70.26,-153.43) 06/30/2023   22:00:08  (  70.27,-153.46)    1.30                 7
 06/30/2023   22:50:43   ( -70.18,  14.02) 06/30/2023   22:49:38  ( -70.16,  14.02)    1.87                65
 07/03/2023   13:26:12   ( -70.37, 154.86) 07/03/2023   13:27:14  ( -70.34, 154.87)    2.64                62
 07/03/2023   14:16:56   (  70.25, -37.65) 07/03/2023   14:16:41  (  70.24, -37.63)    0.77                15
 07/03/2023   15:07:29   ( -69.68, 130.52) 07/03/2023   15:06:18  ( -69.75, 129.31)   47.27                71
 07/06/2023   05:43:07   ( -70.30, -89.28) 07/06/2023   05:43:48  ( -70.29, -89.34)    2.31                41
 07/06/2023   06:33:51   (  70.18,  78.21) 07/06/2023   06:33:15  (  70.19,  78.16)    2.06                36
 07/08/2023   21:09:33   (  71.01,-142.00) 07/08/2023   21:10:41  (  70.92,-140.15)   67.71                68
 07/08/2023   22:00:03   ( -70.29,  26.49) 07/08/2023   22:00:21  ( -70.27,  26.51)    2.43                18
 07/08/2023   22:50:47   (  70.18,-166.02) 07/08/2023   22:49:48  (  70.16,-166.00)    1.68                59
 07/11/2023   13:26:16   (  70.33, -25.13) 07/11/2023   13:27:24  (  70.33, -25.17)    1.60                68
 07/11/2023   14:16:58   ( -70.24, 142.33) 07/11/2023   14:16:54  ( -70.23, 142.32)    1.40                 4
 07/11/2023   15:07:37   (  69.86, -49.78) 07/11/2023   15:06:25  (  69.90, -50.51)   28.01                72