Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 3 23.  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)
 03/24/2020   14:41:40   (  70.16, -44.01) 03/24/2020   14:40:33  (  70.14, -43.98)    2.52                67
 03/24/2020   15:31:10   ( -70.05, 123.46) 03/24/2020   15:31:15  ( -70.06, 123.46)    0.93                 5
 03/24/2020   16:20:43   (  69.61, -69.50) 03/24/2020   16:21:53  (  69.61, -68.57)   35.97                70
 03/27/2020   06:58:08   (  70.13,  71.83) 03/27/2020   06:57:28  (  70.11,  71.84)    2.77                40
 03/27/2020   07:47:38   ( -70.02,-120.69) 03/27/2020   07:48:10  ( -70.02,-120.72)    1.06                32
 03/29/2020   22:25:00   ( -70.70,  20.90) 03/29/2020   22:23:50  ( -70.77,  19.24)   61.28                70
 03/29/2020   23:14:36   (  70.10,-172.34) 03/29/2020   23:14:23  (  70.07,-172.35)    2.69                13
 03/30/2020   00:04:06   ( -70.00,  -4.85) 03/30/2020   00:05:05  ( -69.99,  -4.90)    2.06                59
 04/01/2020   14:41:36   ( -70.18, 136.01) 04/01/2020   14:40:33  ( -70.16, 135.98)    2.76                63
 04/01/2020   15:31:03   (  70.06, -56.51) 04/01/2020   15:31:17  (  70.05, -56.53)    2.21                14
 04/01/2020   16:20:41   ( -69.52, 110.38) 04/01/2020   16:21:51  ( -69.53, 111.55)   45.41                70
 04/04/2020   06:58:04   ( -70.15,-108.16) 04/04/2020   06:57:28  ( -70.13,-108.20)    2.53                36
 04/04/2020   07:47:31   (  70.02,  59.32) 04/04/2020   07:48:12  (  70.02,  59.28)    1.62                41