Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 4 3.  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)
 04/04/2019   22:24:52   (  70.42,-159.51) 04/04/2019   22:23:40  (  70.45,-160.19)   25.61                72
 04/04/2019   23:14:25   ( -70.08,   7.65) 04/04/2019   23:14:16  ( -70.11,   7.67)    2.46                 9
 04/05/2019   00:03:52   (  69.98, 175.14) 04/05/2019   00:05:00  (  69.99, 175.16)    1.16                68
 04/07/2019   14:41:24   (  70.16, -44.01) 04/07/2019   14:40:27  (  70.18, -43.98)    3.02                57
 04/07/2019   15:30:53   ( -70.10, 123.55) 04/07/2019   15:31:09  ( -70.09, 123.47)    3.11                16
 04/07/2019   16:20:33   (  69.27, -69.94) 04/07/2019   16:21:40  (  69.29, -68.04)   74.84                67
 04/10/2019   06:57:52   (  70.17,  71.88) 04/10/2019   06:57:20  (  70.17,  71.81)    2.85                32
 04/10/2019   07:47:23   ( -70.01,-120.71) 04/10/2019   07:48:01  ( -70.03,-120.65)    3.16                38
 04/12/2019   22:24:47   ( -70.62,  20.77) 04/12/2019   22:23:36  ( -70.64,  19.55)   45.34                71
 04/12/2019   23:14:21   (  70.12,-172.31) 04/12/2019   23:14:12  (  70.11,-172.32)    0.68                 9
 04/13/2019   00:03:51   ( -70.02,  -4.82) 04/13/2019   00:04:54  ( -70.02,  -4.85)    1.32                63
 04/15/2019   14:41:23   ( -70.18, 136.02) 04/15/2019   14:40:21  ( -70.21, 136.00)    2.79                62
 04/15/2019   15:30:49   (  70.07, -56.50) 04/15/2019   15:31:03  (  70.06, -56.45)    2.24                14
 04/15/2019   16:20:27   ( -69.53, 110.39) 04/15/2019   16:21:37  ( -69.53, 111.65)   48.92                70