Simultaneous Nadir Overpasses (SNOs) between METOP-B and NOAA-19
TLE Epoch: 2017 4 18.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/21/2017   20:27:14   ( -77.08,  57.50) 04/21/2017   20:26:06  ( -77.07,  57.39)    2.79                68
 04/21/2017   21:17:54   (  77.06,-135.22) 04/21/2017   21:17:06  (  77.05,-135.27)    1.81                48
 04/21/2017   22:08:36   ( -77.06,  32.08) 04/21/2017   22:08:07  ( -77.04,  32.01)    2.36                29
 04/21/2017   22:59:16   (  77.04,-160.64) 04/21/2017   22:59:07  (  77.02,-160.65)    2.29                 9
 04/21/2017   23:49:58   ( -77.04,   6.67) 04/21/2017   23:50:08  ( -77.02,   6.63)    2.61                10
 04/22/2017   00:40:38   (  77.03, 173.95) 04/22/2017   00:41:08  (  77.00, 173.97)    3.18                30
 04/22/2017   01:31:20   ( -77.02, -18.75) 04/22/2017   01:32:09  ( -76.99, -18.76)    3.38                49
 04/22/2017   02:22:00   (  77.01, 148.53) 04/22/2017   02:23:10  (  77.01, 148.39)    3.42                70
 05/02/2017   14:04:24   (  77.19, -26.36) 05/02/2017   14:03:11  (  77.19, -27.13)   18.91                73
 05/02/2017   14:55:08   ( -77.10, 140.62) 05/02/2017   14:54:12  ( -77.07, 140.66)    3.71                56
 05/02/2017   15:45:48   (  77.08, -52.15) 05/02/2017   15:45:10  (  77.08, -52.13)    0.66                38
 05/02/2017   16:36:30   ( -77.09, 115.20) 05/02/2017   16:36:14  ( -77.09, 115.09)    2.80                16
 05/02/2017   17:27:10   (  77.06, -77.57) 05/02/2017   17:27:11  (  77.06, -77.52)    1.20                 1
 05/02/2017   18:17:52   ( -77.07,  89.78) 05/02/2017   18:18:15  ( -77.06,  89.70)    2.06                23
 05/02/2017   19:08:32   (  77.04,-102.99) 05/02/2017   19:09:12  (  77.03,-102.91)    2.21                40
 05/02/2017   19:59:14   ( -77.05,  64.36) 05/02/2017   20:00:16  ( -77.03,  64.32)    1.88                62
 05/02/2017   20:49:59   (  76.80,-129.29) 05/02/2017   20:51:09  (  76.84,-127.56)   44.11                70