Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 8 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)
 08/26/2019   02:05:57   (  68.81, 146.60) 08/26/2019   02:07:07  (  68.72, 147.37)   32.63                70
 08/26/2019   02:56:32   ( -68.35, -45.47) 08/26/2019   02:56:42  ( -68.33, -45.48)    2.45                10
 08/26/2019   03:47:16   (  68.23, 121.99) 08/26/2019   03:46:09  (  68.22, 122.04)    1.94                67
 08/28/2019   18:22:45   (  68.42, -97.11) 08/28/2019   18:23:41  (  68.40, -97.15)    3.24                56
 08/28/2019   19:13:26   ( -68.27,  70.40) 08/28/2019   19:13:11  ( -68.28,  70.35)    2.24                15
 08/28/2019   20:03:58   (  67.51,-121.34) 08/28/2019   20:02:49  (  67.56,-122.85)   64.32                69
 08/31/2019   10:39:40   (  68.40,  18.69) 08/31/2019   10:40:09  (  68.40,  18.74)    2.10                29
 08/31/2019   11:30:21   ( -68.26,-173.80) 08/31/2019   11:29:40  ( -68.24,-173.83)    2.18                41
 09/03/2019   02:05:56   ( -68.77, -33.33) 09/03/2019   02:07:07  ( -68.68, -32.68)   27.88                71
 09/03/2019   02:56:34   (  68.34, 134.55) 09/03/2019   02:56:38  (  68.35, 134.55)    1.15                 4
 09/03/2019   03:47:15   ( -68.18, -57.94) 09/03/2019   03:46:09  ( -68.19, -58.00)    2.63                66
 09/05/2019   18:22:44   ( -68.43,  82.89) 09/05/2019   18:23:39  ( -68.41,  82.86)    2.83                55
 09/05/2019   19:13:27   (  68.27,-109.60) 09/05/2019   19:13:06  (  68.29,-109.63)    2.54                21
 09/05/2019   20:03:57   ( -67.52,  58.65) 09/05/2019   20:02:47  ( -67.57,  57.17)   63.15                70