Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2015 4 21.  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)
 05/04/2015   23:02:35   (  73.78,-171.65) 05/04/2015   23:01:28  (  73.83,-174.46)   87.19                67
 05/04/2015   23:53:18   ( -73.73,  -4.44) 05/04/2015   23:52:10  ( -73.73,  -6.91)   76.93                68
 05/05/2015   00:44:02   (  73.51, 162.37) 05/05/2015   00:42:51  (  73.49, 160.95)   44.81                71
 05/05/2015   01:34:46   ( -73.41, -30.53) 05/05/2015   01:33:34  ( -73.44, -31.62)   35.01                72
 05/05/2015   02:25:29   (  73.23, 136.41) 05/05/2015   02:24:15  (  73.20, 136.22)    6.74                74
 05/05/2015   03:16:12   ( -73.18, -56.37) 05/05/2015   03:14:58  ( -73.15, -56.36)    3.16                74
 05/05/2015   04:06:52   (  73.15, 110.90) 05/05/2015   04:05:44  (  73.16, 110.93)    1.58                68
 05/05/2015   04:57:34   ( -73.16, -81.76) 05/05/2015   04:56:28  ( -73.17, -81.76)    1.16                66
 05/05/2015   05:48:13   (  73.18,  85.61) 05/05/2015   05:47:14  (  73.18,  85.53)    2.80                59
 05/05/2015   06:38:56   ( -73.13,-107.16) 05/05/2015   06:37:57  ( -73.13,-107.05)    3.47                59
 05/05/2015   07:29:35   (  73.15,  60.22) 05/05/2015   07:28:43  (  73.14,  60.23)    1.38                52
 05/05/2015   08:20:17   ( -73.15,-132.45) 05/05/2015   08:19:27  ( -73.14,-132.46)    1.41                50
 05/05/2015   09:10:57   (  73.12,  34.82) 05/05/2015   09:10:13  (  73.15,  34.83)    3.11                44
 05/05/2015   10:01:38   ( -73.13,-157.85) 05/05/2015   10:00:56  ( -73.15,-157.86)    2.95                42
 05/05/2015   10:52:17   (  73.15,   9.53) 05/05/2015   10:51:42  (  73.16,   9.43)    3.74                35
 05/05/2015   11:43:00   ( -73.10, 176.76) 05/05/2015   11:42:25  ( -73.12, 176.85)    3.41                35
 05/05/2015   12:33:39   (  73.12, -15.86) 05/05/2015   12:33:11  (  73.13, -15.86)    0.55                28
 05/05/2015   13:24:21   ( -73.13, 151.47) 05/05/2015   13:23:55  ( -73.13, 151.45)    0.79                26
 05/05/2015   14:15:01   (  73.10, -41.26) 05/05/2015   14:14:40  (  73.09, -41.15)    3.54                21
 05/05/2015   15:05:43   ( -73.10, 126.07) 05/05/2015   15:05:24  ( -73.09, 126.16)    2.80                19
 05/05/2015   15:56:22   (  73.12, -66.55) 05/05/2015   15:56:10  (  73.10, -66.55)    2.01                12
 05/05/2015   16:47:04   ( -73.12, 100.79) 05/05/2015   16:46:54  ( -73.10, 100.76)    2.38                10
 05/05/2015   17:37:44   (  73.09, -91.94) 05/05/2015   17:37:40  (  73.11, -91.96)    2.39                 4
 05/05/2015   18:28:26   ( -73.10,  75.39) 05/05/2015   18:28:24  ( -73.12,  75.35)    2.48                 2