Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 5 1.  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)
 05/03/2020   14:41:22   ( -70.16, 135.94) 05/03/2020   14:40:34  ( -70.17, 135.97)    1.87                48
 05/03/2020   15:30:49   (  70.04, -56.58) 05/03/2020   15:31:18  (  70.06, -56.55)    1.83                29
 05/06/2020   06:08:07   (  70.89,  85.27) 05/06/2020   06:06:59  (  70.95,  83.17)   76.69                68
 05/06/2020   06:57:49   ( -70.13,-108.23) 05/06/2020   06:57:27  ( -70.12,-108.18)    2.11                22
 05/06/2020   07:47:16   (  70.01,  59.26) 05/06/2020   07:48:11  (  70.01,  59.29)    1.47                55
 05/08/2020   22:24:47   (  70.20,-159.88) 05/08/2020   22:23:40  (  70.22,-159.88)    2.92                67
 05/08/2020   23:14:17   ( -70.10,   7.61) 05/08/2020   23:14:22  ( -70.12,   7.59)    2.80                 5
 05/09/2020   00:03:49   (  69.70, 174.70) 05/09/2020   00:05:00  (  69.70, 175.53)   32.03                71
 05/11/2020   14:41:15   (  70.16, -44.06) 05/11/2020   14:40:34  (  70.18, -44.04)    2.51                41
 05/11/2020   15:30:45   ( -70.06, 123.43) 05/11/2020   15:31:16  ( -70.07, 123.44)    1.58                31
 05/14/2020   06:08:05   ( -70.84, -94.82) 05/14/2020   06:06:56  ( -70.86, -96.67)   67.52                69
 05/14/2020   06:57:43   (  70.11,  71.76) 05/14/2020   06:57:28  (  70.14,  71.80)    2.98                15
 05/14/2020   07:47:13   ( -70.02,-120.75) 05/14/2020   07:48:10  ( -70.03,-120.72)    1.51                57