Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 15.  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)
 04/15/2023   22:25:05   (  69.73,-160.50) 04/15/2023   22:26:14  (  69.72,-158.99)   58.31                69
 04/18/2023   13:02:27   (  70.42, -18.92) 04/18/2023   13:01:50  (  70.42, -18.90)    0.95                37
 04/18/2023   13:51:57   ( -70.31, 148.55) 04/18/2023   13:52:32  ( -70.33, 148.55)    2.61                35
 04/21/2023   04:29:18   ( -71.02, -69.79) 04/21/2023   04:28:09  ( -71.08, -71.52)   62.87                69
 04/21/2023   05:18:54   (  70.42,  96.95) 04/21/2023   05:18:42  (  70.40,  96.91)    2.87                12
 04/21/2023   06:08:24   ( -70.31, -95.58) 04/21/2023   06:09:24  ( -70.31, -95.63)    2.13                60
 04/23/2023   20:45:53   ( -70.49,  45.29) 04/23/2023   20:44:49  ( -70.49,  45.22)    2.44                64
 04/23/2023   21:35:20   (  70.38,-147.23) 04/23/2023   21:35:33  (  70.38,-147.30)    2.70                13
 04/23/2023   22:24:57   ( -69.88,  19.70) 04/23/2023   22:26:07  ( -69.87,  20.81)   42.25                70
 04/26/2023   13:02:20   ( -70.41, 161.06) 04/26/2023   13:01:40  ( -70.43, 161.09)    2.87                40
 04/26/2023   13:51:46   (  70.35, -31.38) 04/26/2023   13:52:24  (  70.33, -31.44)    3.07                38
 04/29/2023   04:29:08   (  70.89, 110.04) 04/29/2023   04:27:58  (  70.96, 108.69)   49.54                70
 04/29/2023   05:18:45   ( -70.41, -83.06) 04/29/2023   05:18:31  ( -70.39, -83.06)    2.04                14
 04/29/2023   06:08:12   (  70.29,  84.42) 04/29/2023   06:09:15  (  70.29,  84.41)    0.45                63