Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 11 16.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/21/2019   16:50:12   (  79.77,-109.22) 11/21/2019   16:51:20  (  79.76,-109.18)    0.89                68
 11/21/2019   17:41:15   ( -79.77,  58.10) 11/21/2019   17:42:05  ( -79.78,  58.00)    2.00                50
 11/21/2019   18:32:12   (  79.79,-134.50) 11/21/2019   18:32:50  (  79.77,-134.59)    2.64                38
 11/21/2019   19:23:16   ( -79.77,  32.51) 11/21/2019   19:23:35  ( -79.78,  32.59)    2.35                19
 11/21/2019   20:14:13   (  79.78,-160.08) 11/21/2019   20:14:20  (  79.77,-160.01)    1.68                 7
 11/21/2019   21:05:16   ( -79.78,   7.23) 11/21/2019   21:05:05  ( -79.79,   7.17)    1.05                11
 11/21/2019   21:56:13   (  79.80, 174.64) 11/21/2019   21:55:50  (  79.78, 174.58)    2.60                23
 11/21/2019   22:47:17   ( -79.78, -18.36) 11/21/2019   22:46:35  ( -79.79, -18.24)    2.80                42
 11/21/2019   23:38:14   (  79.79, 149.06) 11/21/2019   23:37:20  (  79.78, 149.17)    2.46                54
 11/22/2019   00:29:17   ( -79.80, -43.64) 11/22/2019   00:28:05  ( -79.79, -43.65)    0.19                72