Simultaneous Nadir Overpasses (SNOs) between METOP-A and NOAA-19
TLE Epoch: 2017 12 18.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2017   19:21:43   ( -78.24,  77.76) 12/19/2017   19:20:36  ( -78.27,  74.51)   73.46                67
 12/19/2017   20:12:30   (  77.95,-116.44) 12/19/2017   20:11:32  (  77.98,-116.52)    3.22                58
 12/19/2017   21:03:12   ( -77.94,  50.84) 12/19/2017   21:02:29  ( -77.96,  50.86)    1.55                43
 12/19/2017   21:53:52   (  77.93,-141.88) 12/19/2017   21:53:32  (  77.92,-141.73)    3.56                20
 12/19/2017   22:44:34   ( -77.92,  25.40) 12/19/2017   22:44:30  ( -77.94,  25.43)    2.31                 4
 12/19/2017   23:35:14   (  77.91,-167.32) 12/19/2017   23:35:33  (  77.91,-167.16)    3.77                19
 12/20/2017   00:25:56   ( -77.90,  -0.04) 12/20/2017   00:26:31  ( -77.93,   0.01)    3.09                35
 12/20/2017   01:16:35   (  77.93, 167.45) 12/20/2017   01:17:34  (  77.90, 167.42)    4.11                59
 12/20/2017   02:07:17   ( -77.92, -25.28) 12/20/2017   02:08:32  ( -77.91, -25.42)    3.35                75
 12/30/2017   14:40:06   (  78.32, -31.52) 12/30/2017   14:39:00  (  78.30, -34.95)   77.28                66
 12/30/2017   15:30:56   ( -77.99, 134.07) 12/30/2017   15:29:52  ( -77.98, 134.20)    2.98                64
 12/30/2017   16:21:36   (  77.97, -58.67) 12/30/2017   16:20:53  (  77.99, -58.58)    2.67                43
 12/30/2017   17:12:18   ( -77.97, 108.63) 12/30/2017   17:11:53  ( -77.97, 108.77)    3.31                25
 12/30/2017   18:02:57   (  77.99, -83.91) 12/30/2017   18:02:54  (  77.97, -84.01)    3.17                 3
 12/30/2017   18:53:40   ( -77.95,  83.19) 12/30/2017   18:53:54  ( -77.96,  83.35)    3.79                14
 12/30/2017   19:44:19   (  77.97,-109.35) 12/30/2017   19:44:55  (  77.96,-109.44)    2.44                36
 12/30/2017   20:35:01   ( -77.97,  57.95) 12/30/2017   20:35:55  ( -77.94,  57.92)    2.98                54
 12/30/2017   21:25:42   (  77.91,-135.00) 12/30/2017   21:26:56  (  77.95,-134.87)    5.19                74