Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 25.  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, -89.93) 01/27/2023   05:44:33  ( -70.46, -89.13)   32.04                71
 01/27/2023   06:34:00   (  70.14,  78.05) 01/27/2023   06:34:04  (  70.14,  78.05)    0.03                 4
 01/27/2023   07:24:42   ( -70.05,-114.48) 01/27/2023   07:23:34  ( -70.03,-114.47)    2.02                68
 01/29/2023   22:00:12   ( -70.24,  26.36) 01/29/2023   22:01:08  ( -70.25,  26.43)    2.46                56
 01/29/2023   22:50:55   (  70.08,-166.08) 01/29/2023   22:50:36  (  70.09,-166.15)    2.94                19
 01/29/2023   23:41:25   ( -69.35,   2.32) 01/29/2023   23:40:16  ( -69.43,   0.57)   68.99                69
 02/01/2023   14:17:06   ( -70.19, 142.22) 02/01/2023   14:17:38  ( -70.21, 142.25)    2.38                32
 02/01/2023   15:07:50   (  70.09, -50.31) 02/01/2023   15:07:05  (  70.11, -50.26)    2.77                45
 02/04/2023   05:43:24   (  70.52,  90.16) 02/04/2023   05:44:36  (  70.41,  90.78)   26.12                72
 02/04/2023   06:34:01   ( -70.15,-101.95) 02/04/2023   06:34:09  ( -70.14,-101.98)    2.27                 8
 02/04/2023   07:24:45   (  70.05,  65.52) 02/04/2023   07:23:36  (  70.03,  65.51)    2.68                69
 02/06/2023   22:00:14   (  70.23,-153.61) 02/06/2023   22:01:08  (  70.24,-153.59)    0.72                54
 02/06/2023   22:50:56   ( -70.13,  13.87) 02/06/2023   22:50:38  ( -70.13,  13.89)    1.05                18