Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 7 25.  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)
 07/27/2019   18:22:42   (  68.42, -97.12) 07/27/2019   18:23:49  (  68.40, -97.15)    2.66                67
 07/27/2019   19:13:23   ( -68.29,  70.36) 07/27/2019   19:13:19  ( -68.29,  70.36)    0.37                 4
 07/27/2019   20:04:02   (  67.89,-121.82) 07/27/2019   20:02:50  (  67.95,-122.40)   25.36                72
 07/30/2019   10:39:36   (  68.38,  18.70) 07/30/2019   10:40:17  (  68.39,  18.72)    1.42                41
 07/30/2019   11:30:17   ( -68.25,-173.82) 07/30/2019   11:29:48  ( -68.24,-173.83)    1.94                29
 08/02/2019   02:06:00   ( -69.17, -33.90) 08/02/2019   02:07:09  ( -69.06, -32.22)   67.83                69
 08/02/2019   02:56:31   (  68.35, 134.51) 08/02/2019   02:56:47  (  68.33, 134.52)    2.33                16
 08/02/2019   03:47:12   ( -68.21, -57.99) 08/02/2019   03:46:17  ( -68.23, -57.96)    2.31                55
 08/04/2019   18:22:42   ( -68.44,  82.86) 08/04/2019   18:23:49  ( -68.44,  82.89)    1.32                67
 08/04/2019   19:13:26   (  68.32,-109.68) 08/04/2019   19:13:16  (  68.32,-109.61)    2.68                10
 08/04/2019   20:04:03   ( -67.96,  58.09) 08/04/2019   20:02:50  ( -68.00,  57.64)   19.28                73
 08/07/2019   10:39:37   ( -68.40,-161.33) 08/07/2019   10:40:19  ( -68.38,-161.31)    3.24                42
 08/07/2019   11:30:20   (  68.23,   6.20) 08/07/2019   11:29:46  (  68.25,   6.19)    2.38                34