Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 5 30.  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)
 05/30/2019   22:25:10   ( -70.12,  20.13) 05/30/2019   22:23:58  ( -70.14,  20.21)    3.68                72
 05/30/2019   23:14:37   (  70.01,-172.38) 05/30/2019   23:14:42  (  70.03,-172.31)    3.02                 5
 05/31/2019   00:04:09   ( -69.80,  -5.04) 05/31/2019   00:05:21  ( -69.78,  -4.61)   16.62                72
 06/02/2019   14:41:40   ( -70.15, 136.05) 06/02/2019   14:40:54  ( -70.12, 136.01)    3.37                46
 06/02/2019   15:31:08   (  69.98, -56.54) 06/02/2019   15:31:38  (  70.01, -56.51)    3.07                30
 06/05/2019   06:08:28   (  70.87,  85.37) 06/05/2019   06:07:20  (  70.87,  83.25)   77.23                68
 06/05/2019   06:58:10   ( -70.11,-108.12) 06/05/2019   06:57:49  ( -70.10,-108.19)    3.11                21
 06/05/2019   07:47:37   (  70.00,  59.36) 06/05/2019   07:48:33  (  69.98,  59.29)    3.23                56
 06/07/2019   22:25:11   (  70.18,-159.79) 06/07/2019   22:24:03  (  70.17,-159.85)    2.57                68
 06/07/2019   23:14:42   ( -70.02,   7.63) 06/07/2019   23:14:44  ( -70.02,   7.69)    2.57                 2
 06/08/2019   00:04:13   (  69.69, 174.81) 06/08/2019   00:05:24  (  69.70, 175.48)   26.27                71
 06/10/2019   14:41:43   (  70.08, -44.04) 06/10/2019   14:40:58  (  70.10, -43.98)    3.46                45
 06/10/2019   15:31:13   ( -69.98, 123.45) 06/10/2019   15:31:40  ( -70.00, 123.49)    2.62                27