Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 15.  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)
 09/16/2023   05:42:58   (  70.92,  89.61) 09/16/2023   05:44:06  (  70.78,  91.40)   67.25                68
 09/16/2023   06:33:27   ( -70.15,-101.82) 09/16/2023   06:33:45  ( -70.17,-101.86)    3.12                18
 09/16/2023   07:24:12   (  70.09,  65.57) 09/16/2023   07:23:12  (  70.07,  65.64)    3.51                60
 09/18/2023   21:59:37   (  70.22,-153.48) 09/18/2023   22:00:45  (  70.22,-153.54)    2.34                68
 09/18/2023   22:50:19   ( -70.12,  13.99) 09/18/2023   22:50:15  ( -70.11,  13.94)    2.33                 4
 09/18/2023   23:40:58   (  69.75,-178.15) 09/18/2023   23:39:46  (  69.79,-178.88)   28.37                72
 09/21/2023   14:16:28   (  70.21, -37.68) 09/21/2023   14:17:12  (  70.23, -37.64)    3.37                44
 09/21/2023   15:07:10   ( -70.11, 129.79) 09/21/2023   15:06:42  ( -70.13, 129.84)    2.93                28
 09/24/2023   05:42:53   ( -71.19, -90.81) 09/24/2023   05:43:59  ( -71.08, -88.11)   97.92                66
 09/24/2023   06:33:19   (  70.15,  78.18) 09/24/2023   06:33:41  (  70.15,  78.14)    1.71                22
 09/24/2023   07:24:01   ( -70.05,-114.34) 09/24/2023   07:23:11  ( -70.05,-114.38)    1.37                50
 09/26/2023   21:59:29   ( -70.35,  26.33) 09/26/2023   22:00:40  ( -70.32,  26.62)   11.61                71
 09/26/2023   22:50:11   (  70.16,-166.05) 09/26/2023   22:50:08  (  70.15,-165.98)    2.83                 3
 09/26/2023   23:40:52   ( -70.00,   1.51) 09/26/2023   23:39:39  ( -69.99,   1.43)    3.19                73