Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 7 21.  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)
 07/22/2023   05:43:11   ( -70.30, -89.34) 07/22/2023   05:43:47  ( -70.30, -89.28)    2.42                36
 07/22/2023   06:33:55   (  70.18,  78.16) 07/22/2023   06:33:15  (  70.15,  78.15)    2.97                40
 07/24/2023   21:09:30   (  70.73,-141.58) 07/24/2023   21:10:40  (  70.63,-140.53)   40.17                70
 07/24/2023   22:00:04   ( -70.23,  26.54) 07/24/2023   22:00:15  ( -70.24,  26.53)    1.44                11
 07/24/2023   22:50:49   (  70.16,-166.05) 07/24/2023   22:49:42  (  70.14,-165.97)    3.29                67
 07/27/2023   13:26:17   (  70.30, -25.13) 07/27/2023   13:27:13  (  70.32, -25.10)    2.53                56
 07/27/2023   14:16:59   ( -70.22, 142.32) 07/27/2023   14:16:43  ( -70.21, 142.37)    2.02                16
 07/27/2023   15:07:30   (  69.41, -49.17) 07/27/2023   15:06:22  (  69.44, -51.05)   73.76                68
 07/30/2023   05:43:11   (  70.24,  90.72) 07/30/2023   05:43:41  (  70.26,  90.70)    1.53                30
 07/30/2023   06:33:53   ( -70.16,-101.82) 07/30/2023   06:33:11  ( -70.15,-101.83)    1.21                42
 08/01/2023   21:09:27   ( -70.62,  38.58) 08/01/2023   21:10:38  ( -70.49,  39.30)   30.34                71
 08/01/2023   22:00:05   (  70.20,-153.44) 08/01/2023   22:00:08  (  70.22,-153.46)    2.41                 3
 08/01/2023   22:50:47   ( -70.10,  14.02) 08/01/2023   22:49:38  ( -70.11,  14.02)    0.47                69