Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 7 16.  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,  38.15) 07/16/2023   21:10:41  ( -70.80,  39.70)   57.77                69
 07/16/2023   22:00:06   (  70.26,-153.50) 07/16/2023   22:00:16  (  70.27,-153.45)    1.85                10
 07/16/2023   22:50:47   ( -70.13,  14.02) 07/16/2023   22:49:46  ( -70.15,  14.01)    2.20                61
 07/19/2023   13:26:15   ( -70.30, 154.90) 07/19/2023   13:27:18  ( -70.32, 154.85)    2.25                63
 07/19/2023   14:17:00   (  70.23, -37.68) 07/19/2023   14:16:45  (  70.22, -37.65)    1.97                15
 07/19/2023   15:07:33   ( -69.67, 130.47) 07/19/2023   15:06:22  ( -69.72, 129.28)   46.14                71
 07/22/2023   05:43:10   ( -70.27, -89.29) 07/22/2023   05:43:47  ( -70.29, -89.29)    2.62                37
 07/22/2023   06:33:55   (  70.20,  78.13) 07/22/2023   06:33:14  (  70.19,  78.21)    3.21                41
 07/24/2023   21:09:31   (  70.75,-141.61) 07/24/2023   21:10:41  (  70.63,-140.53)   41.93                70
 07/24/2023   22:00:05   ( -70.24,  26.51) 07/24/2023   22:00:16  ( -70.25,  26.53)    0.95                11
 07/24/2023   22:50:49   (  70.13,-166.00) 07/24/2023   22:49:43  (  70.14,-165.98)    2.05                66
 07/27/2023   13:26:18   (  70.31, -25.15) 07/27/2023   13:27:15  (  70.29, -25.15)    3.04                57
 07/27/2023   14:16:59   ( -70.17, 142.39) 07/27/2023   14:16:45  ( -70.18, 142.32)    2.53                14
 07/27/2023   15:07:31   (  69.42, -49.19) 07/27/2023   15:06:23  (  69.46, -51.03)   71.97                68
 07/30/2023   05:43:11   (  70.25,  90.71) 07/30/2023   05:43:42  (  70.25,  90.68)    1.35                31
 07/30/2023   06:33:53   ( -70.16,-101.83) 07/30/2023   06:33:12  ( -70.14,-101.84)    1.84                41