Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 1 29.  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)
 01/30/2019   02:56:21   ( -68.32, -45.44) 01/30/2019   02:56:55  ( -68.32, -45.44)    0.85                34
 01/30/2019   03:47:05   (  68.19, 122.03) 01/30/2019   03:46:22  (  68.21, 122.06)    2.15                43
 02/01/2019   18:22:39   (  68.72, -97.51) 02/01/2019   18:23:50  (  68.60, -96.86)   29.30                71
 02/01/2019   19:13:14   ( -68.25,  70.41) 02/01/2019   19:13:24  ( -68.27,  70.38)    2.65                10
 02/01/2019   20:03:58   (  68.13,-122.12) 02/01/2019   20:02:51  (  68.15,-122.12)    2.31                67
 02/04/2019   10:39:27   (  68.39,  18.70) 02/04/2019   10:40:22  (  68.37,  18.74)    3.05                55
 02/04/2019   11:30:08   ( -68.25,-173.80) 02/04/2019   11:29:53  ( -68.22,-173.81)    3.56                15
 02/04/2019   12:20:40   (  67.48,  -5.54) 02/04/2019   12:19:30  (  67.53,  -6.95)   60.34                70
 02/07/2019   02:56:20   (  68.33, 134.54) 02/07/2019   02:56:50  (  68.35, 134.61)    3.45                30
 02/07/2019   03:47:01   ( -68.19, -57.96) 02/07/2019   03:46:21  ( -68.20, -57.94)    1.85                40
 02/09/2019   18:22:35   ( -68.77,  82.43) 02/09/2019   18:23:46  ( -68.68,  83.25)   34.43                71
 02/09/2019   19:13:12   (  68.28,-109.61) 02/09/2019   19:13:18  (  68.27,-109.60)    0.66                 6
 02/09/2019   20:03:53   ( -68.13,  57.89) 02/09/2019   20:02:49  ( -68.13,  57.86)    1.25                64