Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 2 10.  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)
 02/12/2023   05:43:27   ( -70.62, -89.99) 02/12/2023   05:44:38  ( -70.49, -89.14)   34.86                71
 02/12/2023   06:34:04   (  70.15,  78.08) 02/12/2023   06:34:09  (  70.17,  78.04)    2.85                 5
 02/12/2023   07:24:46   ( -70.05,-114.46) 02/12/2023   07:23:39  ( -70.05,-114.49)    1.09                67
 02/14/2023   22:00:14   ( -70.25,  26.39) 02/14/2023   22:01:09  ( -70.23,  26.37)    2.57                55
 02/14/2023   22:50:58   (  70.14,-166.14) 02/14/2023   22:50:36  (  70.12,-166.14)    2.26                22
 02/14/2023   23:41:26   ( -69.31,   2.42) 02/14/2023   23:40:18  ( -69.35,   0.44)   78.09                68
 02/17/2023   14:17:08   ( -70.21, 142.24) 02/17/2023   14:17:36  ( -70.19, 142.20)    2.39                28
 02/17/2023   15:07:52   (  70.10, -50.29) 02/17/2023   15:07:03  (  70.08, -50.31)    2.57                49
 02/20/2023   05:43:20   (  70.28,  90.59) 02/20/2023   05:44:32  (  70.26,  90.56)    2.33                72
 02/20/2023   06:34:02   ( -70.18,-101.93) 02/20/2023   06:34:02  ( -70.15,-101.96)    2.91                 0
 02/20/2023   07:24:43   (  69.91,  65.78) 02/20/2023   07:23:30  (  69.98,  65.45)   14.71                73
 02/22/2023   22:00:13   (  70.21,-153.52) 02/22/2023   22:00:57  (  70.22,-153.60)    3.07                44
 02/22/2023   22:50:55   ( -70.11,  13.96) 02/22/2023   22:50:27  ( -70.12,  13.89)    2.82                28