Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 17.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2023   13:02:27   (  70.43, -18.91) 04/18/2023   13:01:50  (  70.41, -18.89)    2.17                37
 04/18/2023   13:51:57   ( -70.31, 148.55) 04/18/2023   13:52:32  ( -70.33, 148.56)    1.70                35
 04/21/2023   04:29:18   ( -71.01, -69.80) 04/21/2023   04:28:09  ( -71.08, -71.51)   62.49                69
 04/21/2023   05:18:54   (  70.42,  96.95) 04/21/2023   05:18:42  (  70.39,  96.92)    3.04                12
 04/21/2023   06:08:24   ( -70.30, -95.58) 04/21/2023   06:09:24  ( -70.30, -95.63)    1.72                60
 04/23/2023   20:45:53   ( -70.47,  45.26) 04/23/2023   20:44:49  ( -70.49,  45.23)    2.75                64
 04/23/2023   21:35:20   (  70.36,-147.25) 04/23/2023   21:35:33  (  70.38,-147.29)    2.75                13
 04/23/2023   22:24:57   ( -69.87,  19.68) 04/23/2023   22:26:07  ( -69.87,  20.81)   43.21                70
 04/26/2023   13:02:19   ( -70.43, 161.09) 04/26/2023   13:01:40  ( -70.44, 161.09)    0.64                39
 04/26/2023   13:51:46   (  70.32, -31.43) 04/26/2023   13:52:24  (  70.33, -31.44)    1.45                38
 04/29/2023   04:29:08   (  70.84, 109.96) 04/29/2023   04:27:57  (  70.91, 108.78)   43.77                71
 04/29/2023   05:18:44   ( -70.40, -83.06) 04/29/2023   05:18:31  ( -70.39, -83.06)    1.25                13
 04/29/2023   06:08:11   (  70.29,  84.42) 04/29/2023   06:09:15  (  70.29,  84.40)    0.68                64