Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 7 7.  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)
 07/09/2019   02:06:00   (  69.36, 145.82) 07/09/2019   02:07:06  (  69.26, 148.06)   88.69                66
 07/09/2019   02:56:24   ( -68.33, -45.45) 07/09/2019   02:56:51  ( -68.32, -45.49)    1.63                27
 07/09/2019   03:47:08   (  68.19, 122.03) 07/09/2019   03:46:18  (  68.20, 122.02)    1.60                50
 07/11/2019   18:22:38   (  68.40, -97.10) 07/11/2019   18:23:49  (  68.43, -97.10)    2.84                71
 07/11/2019   19:13:19   ( -68.27,  70.38) 07/11/2019   19:13:20  ( -68.27,  70.34)    1.74                 1
 07/11/2019   20:04:01   (  68.03,-122.00) 07/11/2019   20:02:48  (  68.10,-122.22)   11.66                73
 07/14/2019   10:39:32   (  68.36,  18.73) 07/14/2019   10:40:17  (  68.37,  18.72)    1.99                45
 07/14/2019   11:30:13   ( -68.22,-173.78) 07/14/2019   11:29:48  ( -68.22,-173.84)    2.31                25
 07/17/2019   02:05:58   ( -69.24, -34.00) 07/17/2019   02:07:06  ( -69.16, -32.07)   76.94                68
 07/17/2019   02:56:27   (  68.31, 134.56) 07/17/2019   02:56:46  (  68.31, 134.53)    1.23                19
 07/17/2019   03:47:09   ( -68.23, -58.02) 07/17/2019   03:46:16  ( -68.22, -57.96)    2.98                53
 07/19/2019   18:22:39   ( -68.45,  82.84) 07/19/2019   18:23:47  ( -68.43,  82.90)    3.27                68
 07/19/2019   19:13:22   (  68.27,-109.62) 07/19/2019   19:13:15  (  68.25,-109.67)    3.36                 7
 07/19/2019   20:04:00   ( -67.97,  58.08) 07/19/2019   20:02:47  ( -68.04,  57.72)   16.98                73