Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 12 27.  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)
 12/29/2019   10:38:56   ( -68.43,-161.24) 12/29/2019   10:40:00  ( -68.41,-161.23)    2.26                64
 12/29/2019   11:29:40   (  68.31,   6.23) 12/29/2019   11:29:27  (  68.31,   6.29)    2.75                13
 12/29/2019   12:20:14   ( -67.80, 174.19) 12/29/2019   12:19:03  ( -67.86, 173.40)   34.18                71
 01/01/2020   02:55:47   ( -68.36, -45.37) 01/01/2020   02:56:29  ( -68.35, -45.43)    2.97                42
 01/01/2020   03:46:31   (  68.25, 122.09) 01/01/2020   03:45:56  (  68.24, 122.09)    0.83                35
 01/03/2020   18:22:10   (  69.09, -97.88) 01/03/2020   18:23:19  (  68.94, -96.44)   59.57                69
 01/03/2020   19:12:40   ( -68.35,  70.42) 01/03/2020   19:12:58  ( -68.33,  70.44)    2.12                18
 01/03/2020   20:03:23   (  68.18,-122.05) 01/03/2020   20:02:26  (  68.17,-122.12)    3.23                57
 01/06/2020   10:38:51   (  68.44,  18.77) 01/06/2020   10:39:57  (  68.42,  18.79)    2.13                66
 01/06/2020   11:29:32   ( -68.29,-173.72) 01/06/2020   11:29:27  ( -68.31,-173.71)    3.03                 5
 01/06/2020   12:20:11   (  67.91,  -5.93) 01/06/2020   12:18:59  (  67.92,  -6.52)   24.92                72
 01/09/2020   02:55:43   (  68.38, 134.63) 01/09/2020   02:56:26  (  68.39, 134.64)    1.77                43
 01/09/2020   03:46:24   ( -68.22, -57.86) 01/09/2020   03:45:57  ( -68.23, -57.92)    2.75                27