Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 1 25.  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)
 01/27/2019   10:39:28   ( -68.36,-161.27) 01/27/2019   10:40:26  ( -68.38,-161.26)    2.70                58
 01/27/2019   11:30:12   (  68.24,   6.20) 01/27/2019   11:29:54  (  68.22,   6.19)    2.11                18
 01/27/2019   12:20:43   ( -67.56, 174.36) 01/27/2019   12:19:33  ( -67.60, 173.11)   53.33                70
 01/30/2019   02:56:22   ( -68.35, -45.48) 01/30/2019   02:56:55  ( -68.33, -45.44)    2.20                33
 01/30/2019   03:47:05   (  68.17, 122.05) 01/30/2019   03:46:23  (  68.16, 122.00)    2.29                42
 02/01/2019   18:22:39   (  68.70, -97.48) 02/01/2019   18:23:50  (  68.60, -96.86)   27.26                71
 02/01/2019   19:13:15   ( -68.28,  70.38) 02/01/2019   19:13:24  ( -68.27,  70.37)    1.20                 9
 02/01/2019   20:03:59   (  68.17,-122.17) 02/01/2019   20:02:51  (  68.16,-122.12)    2.16                68
 02/04/2019   10:39:26   (  68.37,  18.72) 02/04/2019   10:40:21  (  68.36,  18.73)    1.04                55
 02/04/2019   11:30:07   ( -68.23,-173.78) 02/04/2019   11:29:52  ( -68.21,-173.82)    2.83                15
 02/04/2019   12:20:39   (  67.46,  -5.52) 02/04/2019   12:19:29  (  67.52,  -6.96)   61.85                70
 02/07/2019   02:56:19   (  68.32, 134.56) 02/07/2019   02:56:49  (  68.34, 134.59)    2.76                30
 02/07/2019   03:47:00   ( -68.17, -57.93) 02/07/2019   03:46:20  ( -68.19, -57.96)    2.38                40