Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 6 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)
 06/25/2020   23:14:38   ( -70.10,   7.75) 06/25/2020   23:14:09  ( -70.06,   7.76)    3.55                29
 06/26/2020   00:04:06   (  69.94, 175.17) 06/26/2020   00:04:53  (  69.94, 175.25)    2.87                47
 06/28/2020   14:41:37   (  70.29, -43.73) 06/28/2020   14:40:25  (  70.35, -44.22)   19.65                72
 06/28/2020   15:31:09   ( -70.07, 123.59) 06/28/2020   15:31:03  ( -70.05, 123.56)    2.08                 6
 06/28/2020   16:20:37   (  69.91, -68.99) 06/28/2020   16:21:47  (  69.93, -68.96)    3.09                70
 07/01/2020   06:58:10   (  70.14,  71.94) 07/01/2020   06:57:15  (  70.13,  71.90)    2.13                55
 07/01/2020   07:47:40   ( -70.03,-120.58) 07/01/2020   07:47:57  ( -70.04,-120.65)    2.59                17
 07/01/2020   08:37:20   (  69.21,  45.94) 07/01/2020   08:38:27  (  69.18,  47.92)   78.11                67
 07/03/2020   23:14:40   (  70.10,-172.24) 07/03/2020   23:14:08  (  70.12,-172.31)    3.47                32
 07/04/2020   00:04:10   ( -70.00,  -4.75) 07/04/2020   00:04:49  ( -69.98,  -4.78)    2.62                39
 07/06/2020   14:41:36   ( -70.61, 136.74) 07/06/2020   14:40:26  ( -70.64, 135.33)   52.22                70
 07/06/2020   15:31:11   (  70.06, -56.41) 07/06/2020   15:31:01  (  70.06, -56.45)    1.19                10
 07/06/2020   16:20:41   ( -69.96, 111.07) 07/06/2020   16:21:43  ( -69.97, 111.01)    2.47                62