Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 2.  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)
 01/03/2023   06:33:40   ( -70.13,-101.91) 01/03/2023   06:34:08  ( -70.13,-101.96)    1.83                28
 01/03/2023   07:24:24   (  70.01,  65.58) 01/03/2023   07:23:35  (  70.02,  65.54)    2.38                49
 01/05/2023   21:59:56   (  70.22,-153.60) 01/05/2023   22:01:07  (  70.24,-153.55)    3.04                71
 01/05/2023   22:50:38   ( -70.13,  13.86) 01/05/2023   22:50:37  ( -70.14,  13.93)    2.83                 1
 01/05/2023   23:41:19   (  69.85,-178.41) 01/05/2023   23:40:06  (  69.92,-178.73)   14.12                73
 01/08/2023   14:16:53   (  70.18, -37.77) 01/08/2023   14:17:37  (  70.17, -37.78)    1.20                44
 01/08/2023   15:07:35   ( -70.08, 129.70) 01/08/2023   15:07:07  ( -70.07, 129.71)    2.18                28
 01/11/2023   05:43:20   ( -70.98, -90.61) 01/11/2023   05:44:27  ( -70.89, -88.46)   78.82                67
 01/11/2023   06:33:50   (  70.14,  78.06) 01/11/2023   06:34:06  (  70.13,  78.05)    1.90                16
 01/11/2023   07:24:32   ( -70.04,-114.47) 01/11/2023   07:23:36  ( -70.02,-114.47)    2.17                56
 01/13/2023   22:00:02   ( -70.22,  26.40) 01/13/2023   22:01:06  ( -70.23,  26.44)    2.05                64
 01/13/2023   22:50:46   (  70.11,-166.13) 01/13/2023   22:50:33  (  70.11,-166.09)    1.60                13
 01/13/2023   23:41:20   ( -69.59,   1.97) 01/13/2023   23:40:09  ( -69.69,   0.95)   41.18                71