Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 2 14.  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)
 02/14/2023   22:00:14   ( -70.25,  26.38) 02/14/2023   22:01:09  ( -70.23,  26.37)    2.76                55
 02/14/2023   22:50:58   (  70.14,-166.14) 02/14/2023   22:50:36  (  70.13,-166.13)    1.47                22
 02/14/2023   23:41:26   ( -69.31,   2.41) 02/14/2023   23:40:18  ( -69.35,   0.44)   77.85                68
 02/17/2023   14:17:08   ( -70.21, 142.23) 02/17/2023   14:17:36  ( -70.19, 142.20)    2.87                28
 02/17/2023   15:07:52   (  70.10, -50.29) 02/17/2023   15:07:03  (  70.08, -50.31)    2.17                49
 02/20/2023   05:43:20   (  70.28,  90.59) 02/20/2023   05:44:32  (  70.26,  90.56)    2.76                72
 02/20/2023   06:34:02   ( -70.18,-101.94) 02/20/2023   06:34:01  ( -70.20,-101.89)    2.67                 1
 02/20/2023   07:24:43   (  69.92,  65.77) 02/20/2023   07:23:30  (  69.98,  65.44)   14.51                73
 02/22/2023   22:00:14   (  70.27,-153.61) 02/22/2023   22:00:56  (  70.27,-153.53)    2.92                42
 02/22/2023   22:50:56   ( -70.17,  13.86) 02/22/2023   22:50:26  ( -70.16,  13.94)    3.37                30
 02/25/2023   13:26:34   ( -70.95, 153.76) 02/25/2023   13:27:42  ( -70.88, 155.64)   68.70                68
 02/25/2023   14:17:06   (  70.22, -37.75) 02/25/2023   14:17:19  (  70.22, -37.70)    1.92                13
 02/25/2023   15:07:48   ( -70.12, 129.72) 02/25/2023   15:06:49  ( -70.11, 129.78)    2.22                59