Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2018 8 17.  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)
 08/30/2018   13:27:16   (  73.64, -28.76) 08/30/2018   13:26:09  (  73.63, -31.55)   87.40                67
 08/30/2018   14:17:59   ( -73.55, 138.37) 08/30/2018   14:16:51  ( -73.56, 135.94)   76.74                68
 08/30/2018   15:08:43   (  73.31, -54.83) 08/30/2018   15:07:32  (  73.34, -56.24)   44.99                71
 08/30/2018   15:59:27   ( -73.23, 112.31) 08/30/2018   15:58:15  ( -73.26, 111.23)   34.66                72
 08/30/2018   16:50:10   (  73.03, -80.78) 08/30/2018   16:48:56  (  73.04, -80.96)    5.91                74
 08/30/2018   17:40:53   ( -73.00,  86.48) 08/30/2018   17:39:40  ( -73.02,  86.40)    3.02                73
 08/30/2018   18:31:32   (  73.01,-106.17) 08/30/2018   18:30:25  (  72.99,-106.23)    2.99                67
 08/30/2018   19:22:15   ( -72.98,  61.09) 08/30/2018   19:21:09  ( -72.97,  61.13)    1.60                66
 08/30/2018   20:12:54   (  72.98,-131.56) 08/30/2018   20:11:55  (  72.99,-131.61)    1.86                59
 08/30/2018   21:03:37   ( -72.95,  35.70) 08/30/2018   21:02:39  ( -72.97,  35.75)    2.69                58
 08/30/2018   21:54:16   (  72.96,-156.95) 08/30/2018   21:53:24  (  72.95,-156.89)    2.76                52
 08/30/2018   22:44:58   ( -72.98,  10.41) 08/30/2018   22:44:09  ( -72.98,  10.37)    1.52                49
 08/30/2018   23:35:38   (  72.93, 177.65) 08/30/2018   23:34:54  (  72.95, 177.73)    3.06                44
 08/31/2018   00:26:20   ( -72.95, -14.98) 08/31/2018   00:25:39  ( -72.98, -15.02)    2.91                41
 08/31/2018   01:16:59   (  72.96, 152.37) 08/31/2018   01:16:24  (  72.95, 152.35)    1.09                35
 08/31/2018   02:07:42   ( -72.93, -40.37) 08/31/2018   02:07:08  ( -72.93, -40.29)    2.76                34
 08/31/2018   02:58:21   (  72.93, 126.97) 08/31/2018   02:57:54  (  72.95, 126.97)    2.15                27