Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 7 24.  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)
 07/25/2019   02:06:00   (  69.16, 146.10) 07/25/2019   02:07:08  (  69.06, 147.80)   68.33                68
 07/25/2019   02:56:28   ( -68.34, -45.47) 07/25/2019   02:56:49  ( -68.34, -45.46)    0.47                21
 07/25/2019   03:47:12   (  68.20, 122.01) 07/25/2019   03:46:16  (  68.23, 122.05)    3.30                56
 07/27/2019   18:22:42   (  68.43, -97.14) 07/27/2019   18:23:48  (  68.44, -97.10)    2.07                66
 07/27/2019   19:13:23   ( -68.30,  70.35) 07/27/2019   19:13:19  ( -68.28,  70.34)    1.97                 4
 07/27/2019   20:04:02   (  67.90,-121.83) 07/27/2019   20:02:50  (  67.94,-122.41)   24.74                72
 07/30/2019   10:39:37   (  68.40,  18.68) 07/30/2019   10:40:18  (  68.38,  18.70)    2.42                41
 07/30/2019   11:30:17   ( -68.26,-173.83) 07/30/2019   11:29:47  ( -68.27,-173.79)    2.21                30
 08/02/2019   02:06:00   ( -69.18, -33.91) 08/02/2019   02:07:08  ( -69.09, -32.17)   69.66                68
 08/02/2019   02:56:30   (  68.31, 134.56) 08/02/2019   02:56:47  (  68.31, 134.50)    2.81                17
 08/02/2019   03:47:12   ( -68.22, -58.01) 08/02/2019   03:46:17  ( -68.21, -57.99)    2.11                55
 08/04/2019   18:22:41   ( -68.40,  82.91) 08/04/2019   18:23:49  ( -68.41,  82.85)    2.59                68
 08/04/2019   19:13:25   (  68.28,-109.63) 08/04/2019   19:13:16  (  68.29,-109.65)    1.29                 9
 08/04/2019   20:04:02   ( -67.92,  58.14) 08/04/2019   20:02:50  ( -67.97,  57.61)   23.00                72