Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 11 20.  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)
 11/21/2023   22:49:58   ( -70.12,  13.95) 11/21/2023   22:50:26  ( -70.14,  13.96)    2.64                28
 11/21/2023   23:40:42   (  69.99,-178.55) 11/21/2023   23:39:54  (  69.98,-178.62)    2.62                48
 11/24/2023   14:16:15   (  70.44, -38.10) 11/24/2023   14:17:26  (  70.32, -37.54)   24.28                71
 11/24/2023   15:06:52   ( -70.09, 129.76) 11/24/2023   15:06:58  ( -70.10, 129.78)    1.65                 6
 11/24/2023   15:57:36   (  69.97, -62.75) 11/24/2023   15:56:26  (  69.94, -62.80)    3.38                70
 11/27/2023   06:33:03   (  70.16,  78.11) 11/27/2023   06:33:59  (  70.15,  78.09)    1.03                56
 11/27/2023   07:23:45   ( -70.07,-114.44) 11/27/2023   07:23:29  ( -70.05,-114.43)    2.56                16
 11/27/2023   08:14:16   (  69.26,  54.06) 11/27/2023   08:13:08  (  69.28,  52.16)   74.60                68
 11/29/2023   22:49:57   (  70.15,-166.10) 11/29/2023   22:50:30  (  70.13,-166.07)    2.10                33
 11/29/2023   23:40:38   ( -70.00,   1.43) 11/29/2023   23:40:00  ( -70.03,   1.42)    2.59                38
 12/02/2023   14:16:17   ( -70.78, 141.36) 12/02/2023   14:17:26  ( -70.64, 142.90)   58.87                69
 12/02/2023   15:06:50   (  70.09, -50.24) 12/02/2023   15:07:01  (  70.09, -50.26)    0.63                11
 12/02/2023   15:57:32   ( -70.00, 117.21) 12/02/2023   15:56:31  ( -69.99, 117.23)    1.42                61