Simultaneous Nadir Overpasses (SNOs) between METOP-B and NOAA-19
TLE Epoch: 2017 4 10.  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, -24.37) 04/11/2017   01:58:05  ( -77.37, -27.24)   69.94                68
 04/11/2017   02:50:00   (  77.03, 141.66) 04/11/2017   02:49:00  (  77.02, 141.60)    2.01                60
 04/11/2017   03:40:42   ( -77.02, -51.07) 04/11/2017   03:39:58  ( -77.01, -51.10)    1.02                44
 04/11/2017   04:31:22   (  77.01, 116.24) 04/11/2017   04:31:01  (  76.99, 116.22)    2.35                21
 04/11/2017   05:22:04   ( -77.00, -76.49) 04/11/2017   05:21:59  ( -76.98, -76.48)    1.92                 5
 04/11/2017   06:12:44   (  77.00,  90.83) 04/11/2017   06:13:02  (  76.97,  90.83)    3.23                18
 04/11/2017   07:03:26   ( -76.98,-101.91) 04/11/2017   07:04:00  ( -76.95,-101.86)    3.19                34
 04/11/2017   07:54:06   (  76.98,  65.41) 04/11/2017   07:55:04  (  76.98,  65.26)    3.67                58
 04/11/2017   08:44:48   ( -76.96,-127.32) 04/11/2017   08:46:02  ( -76.97,-127.42)    2.61                74
 04/21/2017   20:27:15   ( -77.05,  57.39) 04/21/2017   20:26:06  ( -77.05,  57.47)    2.10                69
 04/21/2017   21:17:54   (  77.07,-135.18) 04/21/2017   21:17:06  (  77.04,-135.21)    3.73                48
 04/21/2017   22:08:37   ( -77.03,  31.98) 04/21/2017   22:08:07  ( -77.03,  32.09)    2.93                30
 04/21/2017   22:59:16   (  77.05,-160.59) 04/21/2017   22:59:07  (  77.01,-160.59)    4.52                 9
 04/21/2017   23:49:59   ( -77.01,   6.56) 04/21/2017   23:50:09  ( -77.04,   6.52)    3.40                10
 04/22/2017   00:40:38   (  77.03, 173.99) 04/22/2017   00:41:09  (  77.03, 173.83)    3.88                31
 04/22/2017   01:31:21   ( -76.99, -18.86) 04/22/2017   01:32:10  ( -77.01, -18.86)    2.34                49
 04/22/2017   02:22:00   (  77.02, 148.57) 04/22/2017   02:23:10  (  77.00, 148.45)    3.39                70