Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 10 16.  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)
 10/18/2019   10:39:35   (  68.45,  18.72) 10/18/2019   10:40:01  (  68.45,  18.75)    1.23                26
 10/18/2019   11:30:16   ( -68.31,-173.79) 10/18/2019   11:29:32  ( -68.29,-173.81)    2.47                44
 10/21/2019   02:05:49   ( -68.77, -33.24) 10/21/2019   02:07:01  ( -68.66, -32.77)   22.25                72
 10/21/2019   02:56:28   (  68.37, 134.59) 10/21/2019   02:56:31  (  68.37, 134.52)    2.54                 3
 10/21/2019   03:47:10   ( -68.29, -57.99) 10/21/2019   03:46:01  ( -68.27, -57.96)    2.27                69
 10/23/2019   18:22:37   ( -68.48,  82.91) 10/23/2019   18:23:32  ( -68.47,  82.87)    2.13                55
 10/23/2019   19:13:21   (  68.35,-109.62) 10/23/2019   19:12:59  (  68.34,-109.63)    1.17                22
 10/23/2019   20:03:50   ( -67.57,  58.68) 10/23/2019   20:02:40  ( -67.63,  57.17)   64.13                70
 10/26/2019   09:49:08   (  69.56,  29.88) 10/26/2019   09:50:14  (  69.48,  32.40)   98.85                66
 10/26/2019   10:39:31   ( -68.46,-161.29) 10/26/2019   10:40:01  ( -68.44,-161.29)    2.04                30
 10/26/2019   11:30:15   (  68.34,   6.17) 10/26/2019   11:29:28  (  68.31,   6.21)    2.93                47
 10/29/2019   02:05:46   (  68.69, 146.85) 10/29/2019   02:06:58  (  68.61, 147.17)   15.60                72
 10/29/2019   02:56:24   ( -68.39, -45.43) 10/29/2019   02:56:30  ( -68.41, -45.44)    2.54                 6
 10/29/2019   03:47:08   (  68.27, 122.03) 10/29/2019   03:45:57  (  68.28, 122.05)    1.69                71