Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 2 13.  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   ( -70.23,  26.42) 02/14/2023   22:01:09  ( -70.25,  26.40)    2.71                55
 02/14/2023   22:50:58   (  70.12,-166.10) 02/14/2023   22:50:36  (  70.15,-166.10)    3.64                22
 02/14/2023   23:41:26   ( -69.28,   2.45) 02/14/2023   23:40:18  ( -69.37,   0.47)   78.58                68
 02/17/2023   14:17:08   ( -70.19, 142.27) 02/17/2023   14:17:36  ( -70.20, 142.22)    2.78                28
 02/17/2023   15:07:52   (  70.08, -50.25) 02/17/2023   15:07:03  (  70.10, -50.28)    2.68                49
 02/20/2023   05:43:20   (  70.31,  90.54) 02/20/2023   05:44:30  (  70.32,  90.65)    4.27                70
 02/20/2023   06:34:01   ( -70.16,-101.91) 02/20/2023   06:34:01  ( -70.15,-101.96)    1.96                 0
 02/20/2023   07:24:42   (  69.89,  65.81) 02/20/2023   07:23:30  (  69.93,  65.38)   17.12                72
 02/22/2023   22:00:13   (  70.24,-153.57) 02/22/2023   22:00:55  (  70.27,-153.53)    2.85                42
 02/22/2023   22:50:55   ( -70.14,  13.90) 02/22/2023   22:50:25  ( -70.16,  13.94)    2.21                30
 02/25/2023   13:26:34   ( -70.92, 153.80) 02/25/2023   13:27:43  ( -70.82, 155.54)   64.58                69
 02/25/2023   14:17:06   (  70.20, -37.71) 02/25/2023   14:17:19  (  70.21, -37.71)    1.41                13
 02/25/2023   15:07:48   ( -70.09, 129.76) 02/25/2023   15:06:49  ( -70.10, 129.77)    0.85                59