Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 9.  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)
 01/11/2023   05:43:19   ( -70.95, -90.55) 01/11/2023   05:44:27  ( -70.86, -88.51)   74.84                68
 01/11/2023   06:33:50   (  70.15,  78.04) 01/11/2023   06:34:05  (  70.16,  78.09)    1.96                15
 01/11/2023   07:24:32   ( -70.06,-114.50) 01/11/2023   07:23:35  ( -70.05,-114.43)    2.66                57
 01/13/2023   22:00:03   ( -70.24,  26.37) 01/13/2023   22:01:06  ( -70.24,  26.45)    3.07                63
 01/13/2023   22:50:45   (  70.07,-166.06) 01/13/2023   22:50:33  (  70.08,-166.14)    3.10                12
 01/13/2023   23:41:20   ( -69.61,   1.95) 01/13/2023   23:40:09  ( -69.64,   0.89)   41.36                71
 01/16/2023   14:16:58   ( -70.16, 142.26) 01/16/2023   14:17:33  ( -70.19, 142.26)    3.52                35
 01/16/2023   15:07:42   (  70.05, -50.27) 01/16/2023   15:07:00  (  70.08, -50.25)    3.10                42
 01/19/2023   05:43:17   (  70.46,  90.24) 01/19/2023   05:44:28  (  70.38,  90.79)   22.25                71
 01/19/2023   06:33:55   ( -70.15,-101.95) 01/19/2023   06:34:00  ( -70.17,-101.88)    3.55                 5
 01/19/2023   07:24:39   (  70.04,  65.52) 01/19/2023   07:23:27  (  70.05,  65.60)    3.11                72
 01/21/2023   22:00:09   (  70.19,-153.57) 01/21/2023   22:00:57  (  70.22,-153.56)    2.84                48
 01/21/2023   22:50:51   ( -70.09,  13.91) 01/21/2023   22:50:27  ( -70.12,  13.93)    3.38                24