Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 1.  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   ( -70.14,-101.92) 01/03/2023   06:34:08  ( -70.12,-101.97)    2.32                28
 01/03/2023   07:24:24   (  70.02,  65.57) 01/03/2023   07:23:35  (  70.02,  65.53)    1.74                49
 01/05/2023   21:59:56   (  70.23,-153.61) 01/05/2023   22:01:07  (  70.24,-153.55)    2.43                71
 01/05/2023   22:50:38   ( -70.14,  13.85) 01/05/2023   22:50:37  ( -70.13,  13.93)    2.91                 1
 01/05/2023   23:41:19   (  69.86,-178.42) 01/05/2023   23:40:06  (  69.91,-178.74)   13.50                73
 01/08/2023   14:16:53   (  70.18, -37.77) 01/08/2023   14:17:37  (  70.17, -37.78)    1.65                44
 01/08/2023   15:07:35   ( -70.09, 129.69) 01/08/2023   15:07:07  ( -70.07, 129.71)    2.46                28
 01/11/2023   05:43:20   ( -70.98, -90.61) 01/11/2023   05:44:27  ( -70.90, -88.45)   79.14                67
 01/11/2023   06:33:50   (  70.14,  78.05) 01/11/2023   06:34:06  (  70.13,  78.05)    1.54                16
 01/11/2023   07:24:32   ( -70.05,-114.48) 01/11/2023   07:23:36  ( -70.03,-114.46)    1.75                56
 01/13/2023   22:00:02   ( -70.22,  26.40) 01/13/2023   22:01:07  ( -70.19,  26.37)    3.24                65
 01/13/2023   22:50:46   (  70.11,-166.13) 01/13/2023   22:50:33  (  70.13,-166.07)    2.67                13
 01/13/2023   23:41:21   ( -69.64,   1.90) 01/13/2023   23:40:09  ( -69.70,   0.96)   36.68                72