Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 2 27.  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)
 02/28/2021   23:14:52   (  70.07,-172.35) 02/28/2021   23:14:15  (  70.06,-172.31)    1.84                37
 03/01/2021   00:04:22   ( -69.96,  -4.88) 03/01/2021   00:04:57  ( -69.98,  -4.86)    2.30                35
 03/03/2021   14:41:45   ( -70.60, 136.65) 03/03/2021   14:40:35  ( -70.66, 135.21)   53.92                70
 03/03/2021   15:31:20   (  70.06, -56.49) 03/03/2021   15:31:10  (  70.08, -56.56)    3.29                10
 03/03/2021   16:20:50   ( -69.95, 110.99) 03/03/2021   16:21:51  ( -69.94, 110.97)    1.27                61
 03/06/2021   06:58:22   ( -70.09,-108.21) 03/06/2021   06:57:19  ( -70.10,-108.13)    2.98                63
 03/06/2021   07:47:48   (  69.98,  59.29) 03/06/2021   07:48:02  (  69.99,  59.35)    2.45                14
 03/06/2021   08:37:26   ( -69.43,-133.83) 03/06/2021   08:38:35  ( -69.42,-132.50)   52.11                69
 03/08/2021   23:14:49   ( -70.07,   7.64) 03/08/2021   23:14:12  ( -70.06,   7.70)    2.15                37
 03/09/2021   00:04:16   (  69.96, 175.13) 03/09/2021   00:04:56  (  69.95, 175.18)    2.01                40
 03/11/2021   14:41:42   (  70.42, -43.60) 03/11/2021   14:40:31  (  70.49, -44.51)   34.79                71
 03/11/2021   15:31:17   ( -70.04, 123.49) 03/11/2021   15:31:06  ( -70.03, 123.52)    2.17                11
 03/11/2021   16:20:44   (  69.93, -69.03) 03/11/2021   16:21:50  (  69.92, -69.00)    1.84                66