Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2018 4 19.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2018   00:38:17   ( -77.46,   3.35) 04/20/2018   00:38:05  ( -77.48,   3.25)    3.20                12
 04/22/2018   06:11:59   (  77.45,  99.87) 04/22/2018   06:11:47  (  77.48,  99.88)    3.96                12
 04/22/2018   07:01:27   ( -77.41, -92.62) 04/22/2018   07:02:40  ( -77.35, -92.19)   12.75                73
 04/24/2018   11:45:41   ( -77.50,-163.34) 04/24/2018   11:45:20  ( -77.47,-163.38)    3.47                21
 04/24/2018   12:35:09   (  77.39,   3.88) 04/24/2018   12:36:21  (  77.33,   4.53)   17.31                72
 04/26/2018   17:19:23   (  77.48, -66.86) 04/26/2018   17:19:01  (  77.48, -66.78)    2.11                22
 04/26/2018   18:08:51   ( -77.45, 100.66) 04/26/2018   18:09:58  ( -77.46, 100.56)    2.94                67
 04/28/2018   22:53:06   ( -77.48,  29.73) 04/28/2018   22:52:36  ( -77.51,  29.75)    3.01                30
 04/28/2018   23:42:32   (  77.47,-162.70) 04/28/2018   23:43:38  (  77.46,-162.76)    1.62                66
 05/01/2018   04:26:47   (  77.50, 126.36) 05/01/2018   04:26:15  (  77.49, 126.49)    3.35                32