Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2018 12 30.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/30/2018   05:10:49   (  73.77,  91.84) 12/30/2018   05:11:30  (  73.77,  91.76)    2.68                41
 12/30/2018   06:01:31   ( -73.77,-100.83) 12/30/2018   06:02:14  ( -73.77,-100.91)    2.77                43
 12/30/2018   06:52:11   (  73.74,  66.43) 12/30/2018   06:52:59  (  73.73,  66.49)    2.25                48
 12/30/2018   07:42:53   ( -73.74,-126.24) 12/30/2018   07:43:43  ( -73.72,-126.18)    3.12                50
 12/30/2018   08:33:32   (  73.76,  41.14) 12/30/2018   08:34:29  (  73.73,  41.10)    3.33                57
 12/30/2018   09:24:15   ( -73.71,-151.65) 12/30/2018   09:25:13  ( -73.73,-151.57)    2.80                58
 12/30/2018   10:14:54   (  73.73,  15.73) 12/30/2018   10:15:59  (  73.74,  15.71)    1.09                65
 12/30/2018   11:05:36   ( -73.73,-176.94) 12/30/2018   11:06:43  ( -73.73,-176.96)    0.53                67
 12/30/2018   11:56:15   (  73.75,  -9.57) 12/30/2018   11:57:29  (  73.75,  -9.68)    3.59                74
 12/30/2018   12:46:59   ( -73.65, 157.53) 12/30/2018   12:48:12  ( -73.69, 157.77)    8.34                73
 12/30/2018   13:37:43   (  73.42, -35.66) 12/30/2018   13:38:54  (  73.50, -34.49)   38.22                71
 12/30/2018   14:28:26   ( -73.37, 131.56) 12/30/2018   14:29:36  ( -73.40, 133.07)   48.01                70
 12/30/2018   15:19:11   (  73.09, -61.72) 12/30/2018   15:20:17  (  73.16, -59.09)   85.47                66
 12/30/2018   16:09:54   ( -73.04, 105.50) 12/30/2018   16:11:00  ( -73.10, 108.35)   92.33                66