Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 8 13.  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)
 08/15/2019   10:39:38   (  68.35,  18.75) 08/15/2019   10:40:15  (  68.36,  18.68)    2.95                37
 08/15/2019   11:30:20   ( -68.26,-173.83) 08/15/2019   11:29:45  ( -68.25,-173.82)    2.16                35
 08/18/2019   02:05:59   ( -68.98, -33.63) 08/18/2019   02:07:09  ( -68.88, -32.44)   48.72                70
 08/18/2019   02:56:33   (  68.32, 134.55) 08/18/2019   02:56:44  (  68.33, 134.53)    1.36                11
 08/18/2019   03:47:15   ( -68.23, -58.02) 08/18/2019   03:46:14  ( -68.22, -57.97)    2.49                61
 08/20/2019   18:22:43   ( -68.41,  82.90) 08/20/2019   18:23:45  ( -68.41,  82.86)    1.75                62
 08/20/2019   19:13:27   (  68.30,-109.64) 08/20/2019   19:13:12  (  68.30,-109.63)    0.43                15
 08/20/2019   20:04:00   ( -67.72,  58.40) 08/20/2019   20:02:49  ( -67.80,  57.42)   42.20                71
 08/23/2019   10:39:38   ( -68.39,-161.29) 08/23/2019   10:40:14  ( -68.38,-161.30)    0.75                36
 08/23/2019   11:30:22   (  68.27,   6.16) 08/23/2019   11:29:41  (  68.27,   6.21)    2.17                41
 08/26/2019   02:05:58   (  68.83, 146.57) 08/26/2019   02:07:08  (  68.73, 147.38)   34.76                70
 08/26/2019   02:56:33   ( -68.36, -45.49) 08/26/2019   02:56:43  ( -68.35, -45.46)    1.72                10
 08/26/2019   03:47:16   (  68.20, 122.03) 08/26/2019   03:46:11  (  68.18, 121.98)    2.94                65