Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 3.  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   06:33:41   ( -70.15,-101.93) 01/03/2023   06:34:08  ( -70.17,-101.90)    2.59                27
 01/03/2023   07:24:25   (  70.02,  65.56) 01/03/2023   07:23:36  (  70.01,  65.52)    2.44                49
 01/05/2023   21:59:56   (  70.24,-153.62) 01/05/2023   22:01:07  (  70.23,-153.57)    2.20                71
 01/05/2023   22:50:37   ( -70.09,  13.92) 01/05/2023   22:50:37  ( -70.12,  13.91)    3.57                 0
 01/05/2023   23:41:19   (  69.87,-178.43) 01/05/2023   23:40:06  (  69.91,-178.75)   12.83                73
 01/08/2023   14:16:53   (  70.19, -37.79) 01/08/2023   14:17:37  (  70.16, -37.78)    2.89                44
 01/08/2023   15:07:34   ( -70.04, 129.76) 01/08/2023   15:07:07  ( -70.06, 129.70)    2.79                27
 01/11/2023   05:43:20   ( -70.99, -90.63) 01/11/2023   05:44:27  ( -70.90, -88.45)   79.68                67
 01/11/2023   06:33:50   (  70.15,  78.04) 01/11/2023   06:34:06  (  70.13,  78.05)    2.32                16
 01/11/2023   07:24:32   ( -70.05,-114.49) 01/11/2023   07:23:36  ( -70.03,-114.46)    2.99                56
 01/13/2023   22:00:03   ( -70.23,  26.39) 01/13/2023   22:01:08  ( -70.19,  26.38)    3.62                65
 01/13/2023   22:50:47   (  70.12,-166.14) 01/13/2023   22:50:34  (  70.13,-166.06)    3.17                13
 01/13/2023   23:41:22   ( -69.65,   1.88) 01/13/2023   23:40:10  ( -69.70,   0.97)   35.93                72
 01/16/2023   14:16:59   ( -70.20, 142.20) 01/16/2023   14:17:35  ( -70.18, 142.24)    2.63                36
 01/16/2023   15:07:42   (  70.04, -50.25) 01/16/2023   15:07:02  (  70.06, -50.29)    2.38                40