Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 19.  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)
 09/21/2023   14:16:29   (  70.23, -37.72) 09/21/2023   14:17:13  (  70.22, -37.65)    2.55                44
 09/21/2023   15:07:10   ( -70.08, 129.83) 09/21/2023   15:06:43  ( -70.11, 129.82)    3.23                27
 09/24/2023   06:33:20   (  70.18,  78.14) 09/24/2023   06:33:42  (  70.15,  78.13)    3.14                22
 09/24/2023   07:24:02   ( -70.08,-114.39) 09/24/2023   07:23:11  ( -70.09,-114.32)    3.36                51
 09/26/2023   21:59:29   ( -70.39,  26.28) 09/26/2023   22:00:40  ( -70.32,  26.62)   14.75                71
 09/26/2023   22:50:10   (  70.13,-166.01) 09/26/2023   22:50:08  (  70.15,-165.98)    2.26                 2
 09/26/2023   23:40:52   ( -70.03,   1.46) 09/26/2023   23:39:38  ( -70.04,   1.50)    2.18                74
 09/29/2023   14:16:17   ( -70.19, 142.37) 09/29/2023   14:17:09  ( -70.18, 142.31)    2.93                52
 09/29/2023   15:07:01   (  70.10, -50.18) 09/29/2023   15:06:35  (  70.11, -50.13)    2.56                26
 09/29/2023   15:57:27   ( -69.14, 118.53) 09/29/2023   15:56:20  ( -69.19, 116.23)   90.95                67
 10/02/2023   06:33:08   ( -70.16,-101.81) 10/02/2023   06:33:35  ( -70.16,-101.81)    0.14                27
 10/02/2023   07:23:52   (  70.07,  65.64) 10/02/2023   07:23:02  (  70.04,  65.66)    3.04                50