Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 10 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)
 10/23/2020   23:15:13   (  70.06,-172.32) 10/23/2020   23:14:42  (  70.05,-172.24)    3.25                31
 10/24/2020   00:04:43   ( -69.94,  -4.85) 10/24/2020   00:05:24  ( -69.97,  -4.79)    3.49                41
 10/26/2020   14:42:10   ( -70.43, 136.45) 10/26/2020   14:40:58  ( -70.49, 135.54)   34.39                72
 10/26/2020   15:31:42   (  70.06, -56.45) 10/26/2020   15:31:36  (  70.06, -56.48)    1.25                 6
 10/26/2020   16:21:12   ( -69.94, 111.02) 10/26/2020   16:22:17  ( -69.92, 111.05)    2.36                65
 10/29/2020   06:58:43   ( -70.15,-108.08) 10/29/2020   06:57:44  ( -70.13,-108.12)    2.18                59
 10/29/2020   07:48:11   (  69.99,  59.34) 10/29/2020   07:48:28  (  70.02,  59.36)    3.35                17
 10/29/2020   08:37:50   ( -69.38,-133.86) 10/29/2020   08:38:59  ( -69.35,-132.34)   59.65                69
 10/31/2020   23:15:13   ( -70.08,   7.70) 10/31/2020   23:14:37  ( -70.09,   7.71)    1.42                36
 11/01/2020   00:04:40   (  69.97, 175.20) 11/01/2020   00:05:21  (  69.98, 175.19)    0.61                41
 11/03/2020   14:42:06   (  70.49, -43.44) 11/03/2020   14:40:55  (  70.51, -44.49)   38.97                71
 11/03/2020   15:31:42   ( -70.06, 123.56) 11/03/2020   15:31:30  ( -70.05, 123.54)    1.20                12
 11/03/2020   16:21:09   (  69.95, -68.95) 11/03/2020   16:22:14  (  69.94, -68.98)    1.66                65