Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2017 4 4.  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)
 04/04/2017   23:02:38   ( -72.66,   6.35) 04/04/2017   23:02:29  ( -72.68,   6.29)    2.71                 9
 04/04/2017   23:53:18   (  72.64, 173.64) 04/04/2017   23:53:14  (  72.64, 173.68)    1.50                 4
 04/05/2017   00:44:00   ( -72.64, -19.04) 04/05/2017   00:43:58  ( -72.63, -18.99)    1.82                 2
 04/05/2017   01:34:40   (  72.62, 148.26) 04/05/2017   01:34:44  (  72.64, 148.30)    2.98                 4
 04/05/2017   02:25:22   ( -72.62, -44.42) 04/05/2017   02:25:28  ( -72.64, -44.37)    2.52                 6
 04/05/2017   03:16:01   (  72.65, 122.97) 04/05/2017   03:16:14  (  72.65, 122.92)    1.87                13
 04/05/2017   04:06:43   ( -72.65, -69.70) 04/05/2017   04:06:58  ( -72.64, -69.75)    1.97                15
 04/05/2017   04:57:23   (  72.63,  97.59) 04/05/2017   04:57:44  (  72.65,  97.54)    3.15                21
 04/05/2017   05:48:05   ( -72.63, -95.08) 04/05/2017   05:48:28  ( -72.64, -95.14)    2.55                23
 04/05/2017   06:38:45   (  72.60,  72.21) 04/05/2017   06:39:13  (  72.60,  72.26)    1.72                28
 04/05/2017   07:29:27   ( -72.60,-120.47) 04/05/2017   07:29:57  ( -72.60,-120.41)    2.00                30
 04/05/2017   08:20:07   (  72.58,  46.82) 04/05/2017   08:20:43  (  72.61,  46.88)    3.18                36
 04/05/2017   09:10:49   ( -72.58,-145.85) 04/05/2017   09:11:27  ( -72.60,-145.80)    2.64                38
 04/05/2017   10:01:28   (  72.61,  21.54) 04/05/2017   10:02:13  (  72.61,  21.49)    1.63                45
 04/05/2017   10:52:10   ( -72.61,-171.13) 04/05/2017   10:52:57  ( -72.60,-171.18)    1.81                47
 04/05/2017   11:42:49   (  72.59,  -3.84) 04/05/2017   11:43:42  (  72.61,  -3.89)    3.11                53
 04/05/2017   12:33:31   ( -72.59, 163.48) 04/05/2017   12:34:26  ( -72.61, 163.44)    2.42                55
 04/05/2017   13:24:11   (  72.57, -29.23) 04/05/2017   13:25:11  (  72.57, -29.17)    1.93                60
 04/05/2017   14:14:53   ( -72.57, 138.10) 04/05/2017   14:15:55  ( -72.56, 138.16)    2.17                62
 04/05/2017   15:05:32   (  72.60, -54.51) 04/05/2017   15:06:41  (  72.57, -54.55)    3.29                69
 04/05/2017   15:56:15   ( -72.55, 112.72) 04/05/2017   15:57:25  ( -72.56, 112.78)    2.75                70
 04/05/2017   16:46:57   (  72.42, -80.20) 04/05/2017   16:48:09  (  72.47, -79.73)   16.75                72
 04/05/2017   17:37:40   ( -72.37,  87.03) 04/05/2017   17:38:52  ( -72.42,  87.70)   23.07                72
 04/05/2017   18:28:24   (  72.14,-106.08) 04/05/2017   18:29:34  (  72.22,-104.61)   50.94                70
 04/05/2017   19:19:07   ( -72.10,  61.15) 04/05/2017   19:20:16  ( -72.11,  62.92)   60.32                69
 04/05/2017   20:09:52   (  71.81,-132.04) 04/05/2017   20:10:57  (  71.87,-129.30)   95.17                65