Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 2 21.  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)
 02/23/2021   14:41:47   (  70.60, -43.34) 02/23/2021   14:40:37  (  70.66, -44.79)   53.95                70
 02/23/2021   15:31:25   ( -70.04, 123.48) 02/23/2021   15:31:09  ( -70.04, 123.49)    0.60                16
 02/23/2021   16:20:52   (  69.94, -69.01) 02/23/2021   16:21:53  (  69.93, -69.02)    1.50                61
 02/26/2021   06:58:24   (  70.10,  71.81) 02/26/2021   06:57:21  (  70.09,  71.88)    2.71                63
 02/26/2021   07:47:54   ( -69.99,-120.71) 02/26/2021   07:48:03  ( -70.00,-120.67)    2.30                 9
 02/26/2021   08:37:29   (  69.44,  46.18) 02/26/2021   08:38:38  (  69.41,  47.51)   52.16                69
 02/28/2021   23:14:52   (  70.09,-172.32) 02/28/2021   23:14:16  (  70.10,-172.37)    2.17                36
 03/01/2021   00:04:22   ( -69.98,  -4.84) 03/01/2021   00:04:57  ( -69.96,  -4.83)    2.94                35
 03/03/2021   14:41:44   ( -70.63, 136.70) 03/03/2021   14:40:34  ( -70.65, 135.24)   53.94                70
 03/03/2021   15:31:20   (  70.03, -56.53) 03/03/2021   15:31:08  (  70.01, -56.46)    3.37                12
 03/03/2021   16:20:50   ( -69.92, 110.95) 03/03/2021   16:21:50  ( -69.92, 111.00)    1.94                60
 03/06/2021   06:58:21   ( -70.12,-108.16) 03/06/2021   06:57:19  ( -70.14,-108.18)    1.69                62
 03/06/2021   07:47:48   (  70.01,  59.33) 03/06/2021   07:48:03  (  70.03,  59.29)    2.23                15
 03/06/2021   08:37:26   ( -69.47,-133.78) 03/06/2021   08:38:36  ( -69.46,-132.55)   48.32                70