Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 11 13.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/14/2019   02:05:45   (  68.99, 146.44) 11/14/2019   02:06:55  (  68.83, 147.53)   46.78                70
 11/14/2019   02:56:17   ( -68.38, -45.43) 11/14/2019   02:56:31  ( -68.40, -45.38)    3.11                14
 11/14/2019   03:47:01   (  68.24, 122.05) 11/14/2019   03:45:59  (  68.22, 122.06)    1.93                62
 11/16/2019   18:22:29   (  68.45, -97.07) 11/16/2019   18:23:31  (  68.42, -97.09)    3.27                62
 11/16/2019   19:13:10   ( -68.32,  70.41) 11/16/2019   19:13:01  ( -68.32,  70.42)    0.38                 9
 11/16/2019   20:03:46   (  67.76,-121.57) 11/16/2019   20:02:35  (  67.81,-122.54)   40.98                71
 11/19/2019   10:39:21   (  68.40,  18.76) 11/19/2019   10:39:59  (  68.40,  18.76)    0.29                38
 11/19/2019   11:30:02   ( -68.27,-173.75) 11/19/2019   11:29:30  ( -68.25,-173.79)    2.92                32
 11/22/2019   02:05:42   ( -69.12, -33.74) 11/22/2019   02:06:51  ( -69.06, -32.18)   62.41                69
 11/22/2019   02:56:14   (  68.36, 134.59) 11/22/2019   02:56:28  (  68.38, 134.62)    2.46                14
 11/22/2019   03:46:55   ( -68.22, -57.92) 11/22/2019   03:45:59  ( -68.23, -57.93)    0.74                56
 11/24/2019   18:22:23   ( -68.44,  82.95) 11/24/2019   18:23:31  ( -68.42,  82.91)    2.32                68
 11/24/2019   19:13:07   (  68.31,-109.58) 11/24/2019   19:12:58  (  68.29,-109.60)    2.11                 9
 11/24/2019   20:03:44   ( -67.96,  58.19) 11/24/2019   20:02:31  ( -68.04,  57.73)   20.80                73