Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2015 5 19.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/01/2015   12:28:17   (  73.70, -12.70) 06/01/2015   12:27:11  (  73.73, -15.79)   96.36                66
 06/01/2015   13:19:00   ( -73.64, 154.48) 06/01/2015   13:17:53  ( -73.64, 151.75)   85.52                67
 06/01/2015   14:09:45   (  73.38, -38.79) 06/01/2015   14:08:34  (  73.39, -40.37)   50.53                71
 06/01/2015   15:00:28   ( -73.32, 128.41) 06/01/2015   14:59:16  ( -73.30, 127.16)   40.01                72
 06/01/2015   15:51:12   (  73.10, -64.73) 06/01/2015   15:49:58  (  73.10, -65.10)   11.75                74
 06/01/2015   16:41:55   ( -73.04, 102.46) 06/01/2015   16:40:41  ( -73.05, 102.32)    4.85                74
 06/01/2015   17:32:35   (  73.03, -90.24) 06/01/2015   17:31:26  (  73.00, -90.27)    3.12                69
 06/01/2015   18:23:17   ( -73.02,  77.07) 06/01/2015   18:22:10  ( -73.01,  77.04)    1.81                67
 06/01/2015   19:13:57   (  73.00,-115.63) 06/01/2015   19:12:56  (  73.01,-115.66)    1.01                61
 06/01/2015   20:04:39   ( -72.99,  51.68) 06/01/2015   20:03:40  ( -73.01,  51.65)    2.23                59
 06/01/2015   20:55:19   (  72.98,-141.02) 06/01/2015   20:54:25  (  72.96,-140.94)    3.25                54
 06/01/2015   21:46:01   ( -72.97,  26.29) 06/01/2015   21:45:09  ( -72.97,  26.37)    2.67                52
 06/01/2015   22:36:41   (  72.95,-166.41) 06/01/2015   22:35:55  (  72.97,-166.32)    3.40                46
 06/01/2015   23:27:22   ( -73.00,   1.00) 06/01/2015   23:26:39  ( -72.97,   0.98)    2.47                43
 06/02/2015   00:18:02   (  72.98, 168.30) 06/02/2015   00:17:25  (  72.97, 168.29)    0.63                37
 06/02/2015   01:08:44   ( -72.97, -24.39) 06/02/2015   01:08:09  ( -72.98, -24.41)    1.17                35
 06/02/2015   01:59:24   (  72.95, 142.91) 06/02/2015   01:58:55  (  72.98, 142.90)    3.00                29