Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 4 8.  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)
 04/08/2025   21:59:19   ( -70.46,  26.07) 04/08/2025   22:00:31  ( -70.38,  26.59)   21.70                72
 04/08/2025   22:50:00   (  70.16,-166.15) 04/08/2025   22:50:00  (  70.17,-166.07)    2.98                 0
 04/08/2025   23:40:41   ( -70.04,   1.35) 04/08/2025   23:39:30  ( -70.05,   1.40)    2.53                71
 04/11/2025   14:16:15   ( -70.22, 142.20) 04/11/2025   14:17:05  ( -70.20, 142.19)    3.08                50
 04/11/2025   15:06:59   (  70.08, -50.28) 04/11/2025   15:06:32  (  70.09, -50.31)    1.61                27
 04/11/2025   15:57:24   ( -69.11, 118.46) 04/11/2025   15:56:17  ( -69.16, 116.06)   95.37                67
 04/14/2025   05:42:47   (  71.02,  89.34) 04/14/2025   05:43:54  (  70.94,  91.53)   79.88                67
 04/14/2025   06:33:14   ( -70.16,-101.94) 04/14/2025   06:33:36  ( -70.18,-101.97)    2.58                22
 04/14/2025   07:23:59   (  70.07,  65.50) 04/14/2025   07:23:03  (  70.07,  65.52)    1.12                56
 04/16/2025   21:59:32   (  70.23,-153.62) 04/16/2025   22:00:37  (  70.25,-153.62)    2.16                65
 04/16/2025   22:50:14   ( -70.15,  13.83) 04/16/2025   22:50:07  ( -70.15,  13.87)    1.54                 7
 04/16/2025   23:40:51   (  69.65,-178.11) 04/16/2025   23:39:40  (  69.71,-179.11)   38.95                71
 04/19/2025   14:16:30   (  70.20, -37.80) 04/19/2025   14:17:07  (  70.22, -37.80)    2.83                37
 04/19/2025   15:07:12   ( -70.11, 129.65) 04/19/2025   15:06:37  ( -70.12, 129.69)    2.25                35