Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 2 6.  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)
 02/07/2019   02:56:20   (  68.33, 134.54) 02/07/2019   02:56:54  (  68.33, 134.55)    0.63                34
 02/07/2019   03:47:01   ( -68.20, -57.97) 02/07/2019   03:46:24  ( -68.22, -57.95)    2.42                37
 02/09/2019   18:22:39   ( -68.94,  82.20) 02/09/2019   18:23:49  ( -68.84,  83.41)   49.54                70
 02/09/2019   19:13:13   (  68.28,-109.61) 02/09/2019   19:13:24  (  68.28,-109.63)    0.96                11
 02/09/2019   20:03:54   ( -68.14,  57.88) 02/09/2019   20:02:55  ( -68.12,  57.81)    3.47                59
 02/12/2019   10:39:22   ( -68.40,-161.31) 02/12/2019   10:40:25  ( -68.41,-161.25)    2.35                63
 02/12/2019   11:30:05   (  68.22,   6.23) 02/12/2019   11:29:53  (  68.23,   6.19)    2.19                12
 02/12/2019   12:20:40   ( -67.76, 174.12) 02/12/2019   12:19:28  ( -67.85, 173.38)   32.93                72
 02/15/2019   02:56:15   ( -68.35, -45.46) 02/15/2019   02:56:55  ( -68.35, -45.43)    1.43                40
 02/15/2019   03:46:59   (  68.22, 122.01) 02/15/2019   03:46:22  (  68.23, 122.07)    2.88                37
 02/17/2019   18:22:37   (  68.97, -97.83) 02/17/2019   18:23:47  (  68.84, -96.59)   51.75                70
 02/17/2019   19:13:08   ( -68.29,  70.38) 02/17/2019   19:13:25  ( -68.30,  70.38)    0.71                17
 02/17/2019   20:03:52   (  68.17,-122.15) 02/17/2019   20:02:52  (  68.18,-122.12)    1.43                60