Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 22.  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)
 09/24/2023   05:42:53   ( -71.19, -90.82) 09/24/2023   05:43:59  ( -71.09, -88.10)   98.65                66
 09/24/2023   06:33:19   (  70.15,  78.19) 09/24/2023   06:33:41  (  70.17,  78.16)    2.67                22
 09/24/2023   07:24:01   ( -70.05,-114.35) 09/24/2023   07:23:11  ( -70.06,-114.37)    0.87                50
 09/26/2023   21:59:29   ( -70.37,  26.32) 09/26/2023   22:00:40  ( -70.33,  26.64)   12.60                71
 09/26/2023   22:50:10   (  70.11,-165.97) 09/26/2023   22:50:09  (  70.11,-166.03)    2.41                 1
 09/26/2023   23:40:52   ( -70.01,   1.50) 09/26/2023   23:39:39  ( -70.00,   1.45)    1.84                73
 09/29/2023   14:16:17   ( -70.17, 142.40) 09/29/2023   14:17:09  ( -70.19, 142.33)    3.14                52
 09/29/2023   15:07:01   (  70.07, -50.14) 09/29/2023   15:06:36  (  70.07, -50.19)    1.84                25
 09/29/2023   15:57:27   ( -69.13, 118.55) 09/29/2023   15:56:20  ( -69.20, 116.25)   91.60                67
 10/02/2023   06:33:07   ( -70.15,-101.79) 10/02/2023   06:33:34  ( -70.17,-101.80)    2.51                27
 10/02/2023   07:23:51   (  70.05,  65.67) 10/02/2023   07:23:01  (  70.06,  65.68)    0.38                50
 10/04/2023   21:59:18   (  70.35,-153.63) 10/04/2023   22:00:29  (  70.28,-153.38)   12.32                71
 10/04/2023   22:49:58   ( -70.14,  14.01) 10/04/2023   22:50:00  ( -70.12,  14.02)    2.01                 2
 10/04/2023   23:40:40   (  69.94,-178.37) 10/04/2023   23:39:28  (  69.94,-178.58)    7.85                72