Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2018 2 15.  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)
 02/28/2018   15:39:49   (  73.82, -62.45) 02/28/2018   15:38:42  (  73.83, -65.24)   86.30                67
 02/28/2018   16:30:33   ( -73.71, 104.60) 02/28/2018   16:29:24  ( -73.73, 102.32)   71.38                69
 02/28/2018   17:21:17   (  73.50, -88.54) 02/28/2018   17:20:06  (  73.54, -89.93)   43.93                71
 02/28/2018   18:12:00   ( -73.43,  78.64) 02/28/2018   18:10:48  ( -73.44,  77.61)   32.38                72
 02/28/2018   19:02:44   (  73.22,-114.50) 02/28/2018   19:01:29  (  73.20,-114.53)    2.35                75
 02/28/2018   19:53:26   ( -73.20,  52.79) 02/28/2018   19:52:13  ( -73.20,  52.78)    0.52                73
 02/28/2018   20:44:06   (  73.19,-139.90) 02/28/2018   20:42:59  (  73.21,-139.92)    1.85                67
 02/28/2018   21:34:48   ( -73.18,  27.40) 02/28/2018   21:33:43  ( -73.21,  27.39)    3.51                65
 02/28/2018   22:25:28   (  73.16,-165.29) 02/28/2018   22:24:28  (  73.16,-165.20)    2.95                60
 02/28/2018   23:16:10   ( -73.15,   2.00) 02/28/2018   23:15:12  ( -73.17,   2.11)    3.83                58
 03/01/2018   00:06:49   (  73.19, 169.42) 03/01/2018   00:05:58  (  73.17, 169.40)    1.92                51
 03/01/2018   00:57:31   ( -73.18, -23.29) 03/01/2018   00:56:42  ( -73.17, -23.28)    0.10                49
 03/01/2018   01:48:11   (  73.16, 144.02) 03/01/2018   01:47:28  (  73.18, 144.01)    1.98                43
 03/01/2018   02:38:53   ( -73.15, -48.68) 03/01/2018   02:38:12  ( -73.18, -48.68)    3.73                41
 03/01/2018   03:29:33   (  73.14, 118.62) 03/01/2018   03:28:57  (  73.14, 118.73)    3.45                36
 03/01/2018   04:20:14   ( -73.17, -73.97) 03/01/2018   04:19:41  ( -73.14, -73.96)    3.67                33
 03/01/2018   05:10:54   (  73.16,  93.34) 03/01/2018   05:10:27  (  73.15,  93.34)    1.58                27
 03/01/2018   06:01:36   ( -73.15, -99.37) 03/01/2018   06:01:11  ( -73.15, -99.35)    0.56                25
 03/01/2018   06:52:16   (  73.13,  67.94) 03/01/2018   06:51:57  (  73.15,  67.95)    2.27                19
 03/01/2018   07:42:57   ( -73.17,-124.65) 03/01/2018   07:42:41  ( -73.16,-124.74)    3.26                16
 03/01/2018   08:33:37   (  73.16,  42.65) 03/01/2018   08:33:27  (  73.16,  42.55)    3.17                10
 03/01/2018   09:24:19   ( -73.14,-150.05) 03/01/2018   09:24:11  ( -73.16,-150.13)    3.42                 8
 03/01/2018   10:14:58   (  73.13,  17.26) 03/01/2018   10:14:55  (  73.12,  17.27)    1.41                 3
 03/01/2018   11:05:40   ( -73.12,-175.45) 03/01/2018   11:05:39  ( -73.12,-175.41)    1.08                 1
 03/01/2018   11:56:20   (  73.11,  -8.14) 03/01/2018   11:56:25  (  73.13,  -8.12)    2.65                 5
 03/01/2018   12:47:01   ( -73.14, 159.27) 03/01/2018   12:47:09  ( -73.13, 159.19)    2.74                 8
 03/01/2018   13:37:41   (  73.13, -33.43) 03/01/2018   13:37:55  (  73.14, -33.51)    2.75                14