Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 3 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)
 03/21/2020   22:25:00   (  70.85,-158.87) 03/21/2020   22:23:52  (  70.90,-160.97)   76.76                68
 03/21/2020   23:14:42   ( -70.08,   7.63) 03/21/2020   23:14:20  ( -70.08,   7.65)    0.97                22
 03/22/2020   00:04:09   (  69.97, 175.12) 03/22/2020   00:05:04  (  69.96, 175.15)    2.18                55
 03/24/2020   14:41:40   (  70.17, -44.00) 03/24/2020   14:40:34  (  70.18, -44.05)    2.53                66
 03/24/2020   15:31:10   ( -70.06, 123.48) 03/24/2020   15:31:15  ( -70.05, 123.48)    1.43                 5
 03/24/2020   16:20:43   (  69.62, -69.49) 03/24/2020   16:21:53  (  69.60, -68.56)   36.00                70
 03/27/2020   06:58:08   (  70.14,  71.84) 03/27/2020   06:57:29  (  70.15,  71.77)    3.04                39
 03/27/2020   07:47:38   ( -70.04,-120.68) 03/27/2020   07:48:10  ( -70.01,-120.70)    2.80                32
 03/29/2020   22:24:59   ( -70.71,  20.92) 03/29/2020   22:23:49  ( -70.76,  19.26)   61.21                70
 03/29/2020   23:14:36   (  70.05,-172.40) 03/29/2020   23:14:22  (  70.07,-172.34)    3.11                14
 03/30/2020   00:04:06   ( -69.95,  -4.91) 03/30/2020   00:05:04  ( -69.98,  -4.88)    3.22                58
 04/01/2020   14:41:37   ( -70.14, 135.95) 04/01/2020   14:40:33  ( -70.15, 135.99)    2.55                64
 04/01/2020   15:31:04   (  70.02, -56.57) 04/01/2020   15:31:17  (  70.04, -56.53)    3.34                13
 04/01/2020   16:20:41   ( -69.53, 110.39) 04/01/2020   16:21:51  ( -69.53, 111.56)   45.18                70