Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 2 24.  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)
 02/26/2021   06:58:24   (  70.12,  71.84) 02/26/2021   06:57:22  (  70.12,  71.83)    0.62                62
 02/26/2021   07:47:54   ( -70.00,-120.70) 02/26/2021   07:48:03  ( -69.98,-120.64)    2.88                 9
 02/26/2021   08:37:30   (  69.40,  46.13) 02/26/2021   08:38:39  (  69.44,  47.47)   52.23                69
 02/28/2021   23:14:52   (  70.05,-172.37) 02/28/2021   23:14:15  (  70.08,-172.34)    3.40                37
 03/01/2021   00:04:21   ( -69.99,  -4.82) 03/01/2021   00:04:57  ( -69.99,  -4.89)    2.37                36
 03/03/2021   14:41:45   ( -70.58, 136.63) 03/03/2021   14:40:34  ( -70.63, 135.26)   50.74                71
 03/03/2021   15:31:20   (  70.04, -56.52) 03/03/2021   15:31:09  (  70.04, -56.51)    0.70                11
 03/03/2021   16:20:50   ( -69.93, 110.96) 03/03/2021   16:21:51  ( -69.95, 110.95)    2.92                61
 03/06/2021   06:58:21   ( -70.13,-108.15) 03/06/2021   06:57:19  ( -70.12,-108.16)    0.68                62
 03/06/2021   07:47:48   (  70.02,  59.33) 03/06/2021   07:48:03  (  70.01,  59.32)    1.11                15
 03/06/2021   08:37:26   ( -69.47,-133.78) 03/06/2021   08:38:36  ( -69.44,-132.53)   49.16                70
 03/08/2021   23:14:49   ( -70.10,   7.69) 03/08/2021   23:14:13  ( -70.09,   7.66)    2.10                36
 03/09/2021   00:04:16   (  69.99, 175.18) 03/09/2021   00:04:57  (  69.97, 175.14)    2.09                41