Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 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)
 01/11/2023   05:43:19   ( -70.96, -90.57) 01/11/2023   05:44:27  ( -70.86, -88.52)   75.18                68
 01/11/2023   06:33:50   (  70.16,  78.03) 01/11/2023   06:34:05  (  70.15,  78.08)    1.94                15
 01/11/2023   07:24:31   ( -70.02,-114.43) 01/11/2023   07:23:35  ( -70.04,-114.45)    2.68                56
 01/13/2023   22:00:03   ( -70.25,  26.36) 01/13/2023   22:01:06  ( -70.23,  26.44)    3.28                63
 01/13/2023   22:50:46   (  70.08,-166.08) 01/13/2023   22:50:34  (  70.07,-166.15)    3.09                12
 01/13/2023   23:41:21   ( -69.62,   1.93) 01/13/2023   23:40:10  ( -69.63,   0.87)   41.18                71
 01/16/2023   14:16:58   ( -70.17, 142.24) 01/16/2023   14:17:33  ( -70.18, 142.25)    1.58                35
 01/16/2023   15:07:42   (  70.06, -50.28) 01/16/2023   15:07:00  (  70.07, -50.27)    1.50                42
 01/19/2023   05:43:17   (  70.46,  90.23) 01/19/2023   05:44:28  (  70.37,  90.78)   22.82                71
 01/19/2023   06:33:55   ( -70.15,-101.96) 01/19/2023   06:34:00  ( -70.16,-101.90)    2.64                 5
 01/19/2023   07:24:39   (  70.04,  65.51) 01/19/2023   07:23:27  (  70.04,  65.59)    2.79                72
 01/21/2023   22:00:09   (  70.20,-153.57) 01/21/2023   22:00:57  (  70.21,-153.56)    1.70                48
 01/21/2023   22:50:51   ( -70.09,  13.90) 01/21/2023   22:50:27  ( -70.11,  13.92)    2.01                24