Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2017 9 28.  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)
 09/28/2017   21:03:10   ( -72.94,  35.69) 09/28/2017   21:02:56  ( -72.92,  35.79)    3.87                14
 09/28/2017   21:53:50   (  72.93,-156.99) 09/28/2017   21:53:43  (  72.96,-156.98)    2.99                 7
 09/28/2017   22:44:31   ( -72.96,  10.40) 09/28/2017   22:44:27  ( -72.98,  10.30)    3.43                 4
 09/28/2017   23:35:11   (  72.96, 177.73) 09/28/2017   23:35:13  (  72.96, 177.64)    3.07                 2
 09/29/2017   00:25:53   ( -72.94, -14.99) 09/29/2017   00:25:56  ( -72.93, -14.97)    1.38                 3
 09/29/2017   01:16:33   (  72.94, 152.34) 09/29/2017   01:16:42  (  72.92, 152.36)    2.27                 9
 09/29/2017   02:07:15   ( -72.91, -40.38) 09/29/2017   02:07:26  ( -72.93, -40.35)    2.10                11
 09/29/2017   02:57:55   (  72.91, 126.95) 09/29/2017   02:58:12  (  72.92, 126.98)    1.49                17
 09/29/2017   03:48:36   ( -72.94, -65.67) 09/29/2017   03:48:56  ( -72.93, -65.73)    2.25                20
 09/29/2017   04:39:16   (  72.94, 101.66) 09/29/2017   04:39:42  (  72.92, 101.60)    2.57                26
 09/29/2017   05:29:58   ( -72.92, -91.06) 09/29/2017   05:30:26  ( -72.94, -91.11)    2.95                28
 09/29/2017   06:20:38   (  72.91,  76.27) 09/29/2017   06:21:12  (  72.93,  76.22)    2.21                34
 09/29/2017   07:11:20   ( -72.89,-116.45) 09/29/2017   07:11:55  ( -72.89,-116.39)    2.04                35
 09/29/2017   08:02:00   (  72.89,  50.88) 09/29/2017   08:02:41  (  72.88,  50.94)    2.44                41
 09/29/2017   08:52:41   ( -72.92,-141.73) 09/29/2017   08:53:25  ( -72.89,-141.77)    2.98                44
 09/29/2017   09:43:22   (  72.86,  25.49) 09/29/2017   09:44:11  (  72.88,  25.56)    3.22                49
 09/29/2017   10:34:03   ( -72.89,-167.12) 09/29/2017   10:34:55  ( -72.90,-167.15)    0.83                52
 09/29/2017   11:24:43   (  72.89,   0.20) 09/29/2017   11:25:41  (  72.89,   0.18)    0.84                58
 09/29/2017   12:15:25   ( -72.87, 167.48) 09/29/2017   12:16:25  ( -72.90, 167.47)    3.38                60
 09/29/2017   13:06:05   (  72.87, -25.19) 09/29/2017   13:07:11  (  72.89, -25.20)    2.54                66
 09/29/2017   13:56:47   ( -72.84, 142.09) 09/29/2017   13:57:54  ( -72.85, 142.20)    3.46                67
 09/29/2017   14:47:27   (  72.84, -50.58) 09/29/2017   14:48:40  (  72.84, -50.47)    3.54                73
 09/29/2017   15:38:10   ( -72.77, 116.60) 09/29/2017   15:39:23  ( -72.80, 116.92)   11.33                73
 09/29/2017   16:28:54   (  72.56, -76.49) 09/29/2017   16:30:05  (  72.59, -75.33)   38.89                71
 09/29/2017   17:19:37   ( -72.49,  90.69) 09/29/2017   17:20:47  ( -72.50,  92.16)   49.23                70
 09/29/2017   18:10:22   (  72.23,-102.49) 09/29/2017   18:11:29  (  72.29,-100.10)   81.23                67
 09/29/2017   19:01:05   ( -72.16,  64.71) 09/29/2017   19:02:11  ( -72.20,  67.39)   91.38                66