Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 4.  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)
 11/06/2021   13:52:50   ( -70.27, 148.56) 11/06/2021   13:51:37  ( -70.30, 148.19)   14.11                73
 11/06/2021   14:42:19   (  70.06, -44.10) 11/06/2021   14:42:19  (  70.07, -44.15)    2.37                 0
 11/06/2021   15:31:49   ( -69.95, 123.38) 11/06/2021   15:33:00  ( -69.93, 123.39)    1.98                71
 11/09/2021   06:09:21   ( -70.12, -95.78) 11/09/2021   06:08:32  ( -70.10, -95.73)    2.90                49
 11/09/2021   06:58:48   (  70.01,  71.72) 11/09/2021   06:59:17  (  70.03,  71.68)    2.64                29
 11/11/2021   21:36:09   (  70.77,-146.57) 11/11/2021   21:35:00  (  70.78,-148.37)   66.22                69
 11/11/2021   22:25:50   ( -70.06,  20.02) 11/11/2021   22:25:30  ( -70.06,  20.09)    2.68                20
 11/11/2021   23:15:17   (  69.94,-172.49) 11/11/2021   23:16:14  (  69.94,-172.42)    2.76                57
 11/14/2021   13:52:48   (  70.14, -31.60) 11/14/2021   13:51:47  (  70.17, -31.63)    2.99                61
 11/14/2021   14:42:18   ( -70.04, 135.88) 11/14/2021   14:42:28  ( -70.02, 135.91)    2.43                10
 11/14/2021   15:31:54   (  69.43, -57.31) 11/14/2021   15:33:03  (  69.42, -55.90)   55.09                69
 11/17/2021   06:09:15   (  70.11,  84.23) 11/17/2021   06:08:43  (  70.08,  84.26)    2.89                32
 11/17/2021   06:58:45   ( -70.01,-108.27) 11/17/2021   06:59:25  ( -69.99,-108.28)    2.35                40