Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 6.  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)
 09/08/2023   05:42:59   ( -70.62, -89.90) 09/08/2023   05:44:10  ( -70.50, -89.02)   35.44                71
 09/08/2023   06:33:36   (  70.15,  78.16) 09/08/2023   06:33:41  (  70.18,  78.16)    3.43                 5
 09/08/2023   07:24:17   ( -70.06,-114.38) 09/08/2023   07:23:10  ( -70.07,-114.37)    1.53                67
 09/10/2023   21:59:44   ( -70.26,  26.45) 09/10/2023   22:00:45  ( -70.25,  26.49)    1.70                61
 09/10/2023   22:50:28   (  70.16,-166.08) 09/10/2023   22:50:12  (  70.15,-166.01)    2.61                16
 09/10/2023   23:41:00   ( -69.53,   2.17) 09/10/2023   23:39:50  ( -69.60,   0.86)   51.58                70
 09/13/2023   14:16:36   ( -70.22, 142.29) 09/13/2023   14:17:17  ( -70.23, 142.33)    1.75                41
 09/13/2023   15:07:20   (  70.12, -50.24) 09/13/2023   15:06:44  (  70.12, -50.18)    2.43                36
 09/16/2023   05:43:00   (  71.02,  89.45) 09/16/2023   05:44:07  (  70.96,  91.67)   80.62                67
 09/16/2023   06:33:28   ( -70.18,-101.88) 09/16/2023   06:33:49  ( -70.20,-101.84)    2.45                21
 09/16/2023   07:24:12   (  70.09,  65.58) 09/16/2023   07:23:16  (  70.09,  65.65)    2.69                56
 09/18/2023   21:59:39   (  70.32,-153.63) 09/18/2023   22:00:51  (  70.27,-153.50)    7.34                72
 09/18/2023   22:50:20   ( -70.16,  13.94) 09/18/2023   22:50:21  ( -70.17,  14.00)    2.74                 1
 09/18/2023   23:41:01   (  69.96,-178.45) 09/18/2023   23:39:48  (  70.00,-178.60)    7.61                73