Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 26.  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)
 01/27/2023   05:43:22   ( -70.57, -89.92) 01/27/2023   05:44:33  ( -70.46, -89.12)   31.74                71
 01/27/2023   06:34:00   (  70.14,  78.06) 01/27/2023   06:34:04  (  70.15,  78.06)    1.02                 4
 01/27/2023   07:24:42   ( -70.05,-114.48) 01/27/2023   07:23:34  ( -70.03,-114.47)    1.30                68
 01/29/2023   22:00:11   ( -70.24,  26.37) 01/29/2023   22:01:07  ( -70.25,  26.44)    2.98                56
 01/29/2023   22:50:55   (  70.13,-166.15) 01/29/2023   22:50:35  (  70.10,-166.14)    3.49                20
 01/29/2023   23:41:24   ( -69.35,   2.33) 01/29/2023   23:40:15  ( -69.44,   0.58)   69.20                69
 02/01/2023   14:17:06   ( -70.18, 142.23) 02/01/2023   14:17:39  ( -70.17, 142.19)    2.21                33
 02/01/2023   15:07:50   (  70.08, -50.29) 02/01/2023   15:07:06  (  70.06, -50.32)    1.58                44
 02/04/2023   05:43:25   (  70.56,  90.10) 02/04/2023   05:44:36  (  70.43,  90.81)   29.57                71
 02/04/2023   06:34:01   ( -70.14,-101.92) 02/04/2023   06:34:09  ( -70.16,-101.95)    2.77                 8
 02/04/2023   07:24:45   (  70.03,  65.55) 02/04/2023   07:23:36  (  70.05,  65.54)    1.97                69
 02/06/2023   22:00:14   (  70.21,-153.57) 02/06/2023   22:01:09  (  70.22,-153.63)    2.48                55
 02/06/2023   22:50:56   ( -70.10,  13.91) 02/06/2023   22:50:39  ( -70.11,  13.85)    2.35                17