Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 8 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)
 08/26/2019   02:05:58   (  68.82, 146.59) 08/26/2019   02:07:08  (  68.71, 147.36)   33.07                70
 08/26/2019   02:56:33   ( -68.36, -45.48) 08/26/2019   02:56:42  ( -68.38, -45.42)    3.17                 9
 08/26/2019   03:47:17   (  68.23, 121.99) 08/26/2019   03:46:10  (  68.22, 122.03)    2.77                67
 08/28/2019   18:22:45   (  68.43, -97.12) 08/28/2019   18:23:40  (  68.44, -97.10)    2.10                55
 08/28/2019   19:13:26   ( -68.28,  70.39) 08/28/2019   19:13:11  ( -68.28,  70.34)    2.27                15
 08/28/2019   20:03:58   (  67.51,-121.35) 08/28/2019   20:02:49  (  67.55,-122.86)   64.36                69
 08/31/2019   10:39:40   (  68.41,  18.68) 08/31/2019   10:40:09  (  68.39,  18.72)    2.67                29
 08/31/2019   11:30:21   ( -68.26,-173.81) 08/31/2019   11:29:39  ( -68.28,-173.77)    3.09                42
 09/03/2019   02:05:56   ( -68.77, -33.34) 09/03/2019   02:07:07  ( -68.67, -32.70)   27.96                71
 09/03/2019   02:56:34   (  68.34, 134.54) 09/03/2019   02:56:38  (  68.34, 134.54)    0.54                 4
 09/03/2019   03:47:16   ( -68.24, -58.01) 09/03/2019   03:46:08  ( -68.23, -57.95)    2.66                68
 09/05/2019   18:22:45   ( -68.43,  82.88) 09/05/2019   18:23:39  ( -68.45,  82.91)    2.26                54
 09/05/2019   19:13:28   (  68.27,-109.60) 09/05/2019   19:13:07  (  68.28,-109.65)    2.18                21
 09/05/2019   20:03:57   ( -67.47,  58.71) 09/05/2019   20:02:48  ( -67.56,  57.15)   67.16                69