Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 7 31.  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)
 08/02/2019   02:06:01   ( -69.19, -33.93) 08/02/2019   02:07:09  ( -69.07, -32.20)   70.19                68
 08/02/2019   02:56:32   (  68.37, 134.49) 08/02/2019   02:56:47  (  68.35, 134.55)    3.49                15
 08/02/2019   03:47:12   ( -68.19, -57.96) 08/02/2019   03:46:18  ( -68.19, -58.01)    2.17                54
 08/04/2019   18:22:41   ( -68.41,  82.90) 08/04/2019   18:23:49  ( -68.39,  82.83)    3.24                68
 08/04/2019   19:13:25   (  68.28,-109.63) 08/04/2019   19:13:16  (  68.28,-109.66)    1.33                 9
 08/04/2019   20:04:02   ( -67.93,  58.13) 08/04/2019   20:02:49  ( -68.01,  57.65)   21.53                73
 08/07/2019   10:39:36   ( -68.37,-161.28) 08/07/2019   10:40:18  ( -68.37,-161.31)    0.97                42
 08/07/2019   11:30:20   (  68.25,   6.18) 08/07/2019   11:29:45  (  68.26,   6.20)    0.96                35
 08/10/2019   02:06:00   (  69.02, 146.31) 08/10/2019   02:07:09  (  68.90, 147.59)   52.79                69
 08/10/2019   02:56:31   ( -68.34, -45.47) 08/10/2019   02:56:47  ( -68.35, -45.46)    1.64                16
 08/10/2019   03:47:15   (  68.22, 121.99) 08/10/2019   03:46:14  (  68.23, 122.05)    2.69                61
 08/12/2019   18:22:44   (  68.40, -97.09) 08/12/2019   18:23:46  (  68.42, -97.12)    3.07                62
 08/12/2019   19:13:26   ( -68.30,  70.35) 08/12/2019   19:13:16  ( -68.33,  70.39)    3.03                10
 08/12/2019   20:04:01   (  67.70,-121.59) 08/12/2019   20:02:51  (  67.76,-122.63)   44.20                70