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   (  70.09,  71.80) 02/26/2021   06:57:21  (  70.10,  71.87)    2.61                63
 02/26/2021   07:47:53   ( -70.03,-120.65) 02/26/2021   07:48:03  ( -70.01,-120.68)    2.60                10
 02/26/2021   08:37:29   (  69.43,  46.17) 02/26/2021   08:38:38  (  69.41,  47.50)   52.18                69
 02/28/2021   23:14:52   (  70.08,-172.33) 02/28/2021   23:14:16  (  70.11,-172.38)    3.23                36
 03/01/2021   00:04:22   ( -69.97,  -4.86) 03/01/2021   00:04:57  ( -69.96,  -4.84)    0.80                35
 03/03/2021   14:41:45   ( -70.61, 136.67) 03/03/2021   14:40:35  ( -70.65, 135.23)   53.64                70
 03/03/2021   15:31:20   (  70.07, -56.47) 03/03/2021   15:31:10  (  70.07, -56.54)    2.72                10
 03/03/2021   16:20:51   ( -69.90, 110.93) 03/03/2021   16:21:51  ( -69.92, 110.99)    3.25                60
 03/06/2021   06:58:21   ( -70.10,-108.19) 03/06/2021   06:57:18  ( -70.09,-108.11)    3.22                63
 03/06/2021   07:47:48   (  69.99,  59.30) 03/06/2021   07:48:02  (  69.98,  59.37)    3.00                14
 03/06/2021   08:37:26   ( -69.45,-133.81) 03/06/2021   08:38:36  ( -69.46,-132.56)   49.04                70
 03/08/2021   23:14:49   ( -70.08,   7.66) 03/08/2021   23:14:13  ( -70.10,   7.64)    2.69                36
 03/09/2021   00:04:16   (  69.97, 175.15) 03/09/2021   00:04:57  (  69.99, 175.11)    3.18                41