Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 9 7.  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)
 09/08/2021   22:25:42   ( -70.13,  20.15) 09/08/2021   22:24:39  ( -70.11,  20.14)    2.87                63
 09/08/2021   23:15:10   (  69.98,-172.43) 09/08/2021   23:15:23  (  69.99,-172.38)    2.54                13
 09/09/2021   00:04:47   ( -69.48,  -5.47) 09/09/2021   00:05:57  ( -69.48,  -4.30)   45.77                70
 09/11/2021   14:42:13   ( -70.06, 135.93) 09/11/2021   14:41:35  ( -70.09, 135.94)    2.77                38
 09/11/2021   15:31:40   (  69.96, -56.57) 09/11/2021   15:32:19  (  69.97, -56.58)    2.02                39
 09/14/2021   06:09:07   (  70.48,  84.78) 09/14/2021   06:07:56  (  70.54,  83.69)   41.18                71
 09/14/2021   06:58:43   ( -70.04,-108.22) 09/14/2021   06:58:30  ( -70.02,-108.18)    3.07                13
 09/14/2021   07:48:10   (  69.93,  59.27) 09/14/2021   07:49:14  (  69.91,  59.29)    2.89                64
 09/16/2021   22:25:42   (  70.12,-159.86) 09/16/2021   22:24:43  (  70.10,-159.86)    1.85                59
 09/16/2021   23:15:12   ( -70.02,   7.63) 09/16/2021   23:15:25  ( -70.00,   7.61)    1.82                13
 09/17/2021   00:04:50   (  69.30, 174.29) 09/17/2021   00:05:58  (  69.31, 175.93)   64.53                68
 09/19/2021   14:42:12   (  70.09, -44.03) 09/19/2021   14:41:39  (  70.09, -44.08)    2.03                33
 09/19/2021   15:31:42   ( -69.98, 123.46) 09/19/2021   15:32:21  ( -69.99, 123.40)    2.32                39