Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 7 15.  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)
 07/16/2023   21:09:32   ( -70.91,  38.16) 07/16/2023   21:10:41  ( -70.80,  39.70)   57.46                69
 07/16/2023   22:00:06   (  70.26,-153.49) 07/16/2023   22:00:16  (  70.27,-153.45)    1.91                10
 07/16/2023   22:50:47   ( -70.13,  14.03) 07/16/2023   22:49:46  ( -70.15,  14.01)    2.98                61
 07/19/2023   13:26:15   ( -70.30, 154.90) 07/19/2023   13:27:18  ( -70.31, 154.85)    2.58                63
 07/19/2023   14:17:00   (  70.23, -37.68) 07/19/2023   14:16:45  (  70.21, -37.65)    2.12                15
 07/19/2023   15:07:33   ( -69.67, 130.48) 07/19/2023   15:06:22  ( -69.71, 129.28)   46.52                71
 07/22/2023   05:43:10   ( -70.27, -89.29) 07/22/2023   05:43:47  ( -70.28, -89.31)    1.72                37
 07/22/2023   06:33:54   (  70.15,  78.21) 07/22/2023   06:33:14  (  70.18,  78.19)    3.38                40
 07/24/2023   21:09:31   (  70.75,-141.62) 07/24/2023   21:10:41  (  70.61,-140.56)   41.97                70
 07/24/2023   22:00:05   ( -70.25,  26.51) 07/24/2023   22:00:16  ( -70.23,  26.50)    1.98                11
 07/24/2023   22:50:49   (  70.13,-166.00) 07/24/2023   22:49:43  (  70.12,-166.01)    1.02                66
 07/27/2023   13:26:18   (  70.32, -25.16) 07/27/2023   13:27:14  (  70.31, -25.12)    2.08                56
 07/27/2023   14:16:59   ( -70.18, 142.38) 07/27/2023   14:16:44  ( -70.20, 142.36)    2.89                15
 07/27/2023   15:07:31   (  69.42, -49.20) 07/27/2023   15:06:22  (  69.48, -51.00)   70.57                69