Simultaneous Nadir Overpasses (SNOs) between METOP-B and NOAA-19
TLE Epoch: 2017 4 9.  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)
 04/11/2017   01:59:13   ( -77.34, -24.39) 04/11/2017   01:58:05  ( -77.37, -27.26)   69.98                68
 04/11/2017   02:50:00   (  77.03, 141.64) 04/11/2017   02:49:00  (  77.03, 141.58)    1.57                60
 04/11/2017   03:40:42   ( -77.01, -51.09) 04/11/2017   03:39:58  ( -77.01, -51.11)    0.58                44
 04/11/2017   04:31:22   (  77.01, 116.22) 04/11/2017   04:31:01  (  77.00, 116.20)    1.40                21
 04/11/2017   05:22:04   ( -77.00, -76.50) 04/11/2017   05:21:59  ( -76.99, -76.49)    1.11                 5
 04/11/2017   06:12:44   (  76.99,  90.81) 04/11/2017   06:13:02  (  76.97,  90.81)    2.20                18
 04/11/2017   07:03:26   ( -76.98,-101.92) 04/11/2017   07:04:00  ( -76.96,-101.87)    2.44                34
 04/11/2017   07:54:06   (  76.97,  65.39) 04/11/2017   07:55:03  (  76.94,  65.43)    3.32                57
 04/11/2017   08:44:48   ( -76.96,-127.34) 04/11/2017   08:46:02  ( -76.97,-127.44)    2.93                74
 04/21/2017   20:27:15   ( -77.05,  57.39) 04/21/2017   20:26:06  ( -77.06,  57.44)    1.97                69
 04/21/2017   21:17:54   (  77.07,-135.18) 04/21/2017   21:17:06  (  77.05,-135.25)    2.98                48
 04/21/2017   22:08:37   ( -77.03,  31.97) 04/21/2017   22:08:07  ( -77.04,  32.06)    2.14                30
 04/21/2017   22:59:16   (  77.05,-160.60) 04/21/2017   22:59:07  (  77.02,-160.63)    3.44                 9
 04/21/2017   23:49:59   ( -77.01,   6.56) 04/21/2017   23:50:08  ( -77.01,   6.67)    2.93                 9
 04/22/2017   00:40:38   (  77.03, 173.98) 04/22/2017   00:41:08  (  77.00, 173.98)    4.21                30
 04/22/2017   01:31:21   ( -76.99, -18.86) 04/22/2017   01:32:10  ( -77.02, -18.89)    3.46                49
 04/22/2017   02:22:00   (  77.01, 148.56) 04/22/2017   02:23:10  (  77.01, 148.41)    3.91                70