Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 9 2.  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)
 09/03/2021   14:42:10   (  70.06, -44.07) 09/03/2021   14:41:33  (  70.08, -44.04)    2.29                37
 09/03/2021   15:31:40   ( -69.95, 123.41) 09/03/2021   15:32:14  ( -69.94, 123.49)    3.13                34
 09/06/2021   06:09:04   ( -70.59, -95.06) 09/06/2021   06:07:54  ( -70.70, -96.56)   56.81                70
 09/06/2021   06:58:39   (  70.05,  71.80) 09/06/2021   06:58:28  (  70.06,  71.76)    1.91                11
 09/06/2021   07:48:09   ( -69.94,-120.72) 09/06/2021   07:49:09  ( -69.91,-120.71)    3.07                60
 09/08/2021   22:25:43   ( -70.09,  20.09) 09/08/2021   22:24:39  ( -70.10,  20.15)    2.76                64
 09/08/2021   23:15:10   (  69.98,-172.42) 09/08/2021   23:15:23  (  69.99,-172.37)    2.25                13
 09/09/2021   00:04:47   ( -69.49,  -5.46) 09/09/2021   00:05:57  ( -69.47,  -4.28)   45.94                70
 09/11/2021   14:42:13   ( -70.07, 135.94) 09/11/2021   14:41:35  ( -70.08, 135.95)    1.02                38
 09/11/2021   15:31:40   (  69.96, -56.57) 09/11/2021   15:32:19  (  69.97, -56.57)    1.47                39
 09/14/2021   06:09:07   (  70.48,  84.78) 09/14/2021   06:07:56  (  70.53,  83.69)   40.97                71
 09/14/2021   06:58:43   ( -70.05,-108.21) 09/14/2021   06:58:31  ( -70.06,-108.25)    2.23                12
 09/14/2021   07:48:10   (  69.93,  59.28) 09/14/2021   07:49:14  (  69.90,  59.29)    3.24                64