Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 5 10.  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)
 05/11/2020   14:41:15   (  70.18, -44.03) 05/11/2020   14:40:34  (  70.18, -44.04)    0.54                41
 05/11/2020   15:30:45   ( -70.07, 123.46) 05/11/2020   15:31:16  ( -70.08, 123.42)    1.82                31
 05/14/2020   06:08:05   ( -70.87, -94.76) 05/14/2020   06:06:57  ( -70.92, -96.77)   73.29                68
 05/14/2020   06:57:43   (  70.16,  71.82) 05/14/2020   06:57:28  (  70.13,  71.80)    3.10                15
 05/14/2020   07:47:13   ( -70.06,-120.69) 05/14/2020   07:48:10  ( -70.04,-120.73)    2.89                57
 05/16/2020   22:24:45   ( -70.21,  20.12) 05/16/2020   22:23:38  ( -70.19,  20.17)    2.15                67
 05/16/2020   23:14:12   (  70.09,-172.40) 05/16/2020   23:14:22  (  70.09,-172.36)    1.43                10
 05/17/2020   00:03:47   ( -69.71,  -5.29) 05/17/2020   00:04:58  ( -69.67,  -4.42)   33.84                71
 05/19/2020   14:41:12   ( -70.20, 135.99) 05/19/2020   14:40:32  ( -70.20, 135.93)    2.32                40
 05/19/2020   15:30:39   (  70.08, -56.54) 05/19/2020   15:31:15  (  70.05, -56.52)    3.01                36
 05/22/2020   06:08:03   (  70.67,  84.92) 05/22/2020   06:06:53  (  70.74,  83.53)   51.98                70
 05/22/2020   06:57:41   ( -70.13,-108.23) 05/22/2020   06:57:26  ( -70.16,-108.23)    3.37                15
 05/22/2020   07:47:08   (  70.01,  59.25) 05/22/2020   07:48:09  (  70.01,  59.31)    2.29                61