Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 6 25.  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)
 06/25/2020   23:14:38   ( -70.07,   7.72) 06/25/2020   23:14:10  ( -70.07,   7.75)    1.26                28
 06/26/2020   00:04:05   (  69.97, 175.22) 06/26/2020   00:04:55  (  70.00, 175.16)    3.30                50
 06/28/2020   14:41:39   (  70.16, -43.92) 06/28/2020   14:40:26  (  70.20, -44.01)    6.46                73
 06/28/2020   15:31:09   ( -70.04, 123.56) 06/28/2020   15:31:07  ( -70.07, 123.52)    2.72                 2
 06/28/2020   16:20:37   (  69.89, -69.02) 06/28/2020   16:21:50  (  69.89, -68.91)    4.32                73
 07/01/2020   06:58:10   (  70.12,  71.91) 07/01/2020   06:57:21  (  70.10,  71.91)    2.30                49
 07/01/2020   07:47:40   ( -70.01,-120.61) 07/01/2020   07:48:03  ( -70.01,-120.63)    0.91                23
 07/03/2020   23:14:41   (  70.08,-172.27) 07/03/2020   23:14:18  (  70.10,-172.33)    3.27                23
 07/04/2020   00:04:11   ( -69.98,  -4.78) 07/04/2020   00:04:59  ( -69.96,  -4.79)    1.91                48
 07/06/2020   14:41:43   ( -70.21, 136.15) 07/06/2020   14:40:30  ( -70.22, 135.95)    7.83                73
 07/06/2020   15:31:11   (  70.04, -56.44) 07/06/2020   15:31:13  (  70.06, -56.49)    2.31                 2
 07/06/2020   16:20:41   ( -69.94, 111.04) 07/06/2020   16:21:54  ( -69.91, 111.05)    3.14                73