Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 1 8.  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)
 01/08/2019   18:22:46   ( -68.71,  82.50) 01/08/2019   18:23:58  ( -68.59,  83.11)   28.02                72
 01/08/2019   19:13:24   (  68.27,-109.62) 01/08/2019   19:13:29  (  68.26,-109.65)    1.36                 5
 01/08/2019   20:04:05   ( -68.13,  57.88) 01/08/2019   20:02:59  ( -68.15,  57.86)    3.15                66
 01/11/2019   10:39:34   ( -68.36,-161.28) 01/11/2019   10:40:31  ( -68.38,-161.27)    2.00                57
 01/11/2019   11:30:18   (  68.25,   6.18) 01/11/2019   11:29:58  (  68.27,   6.24)    3.42                20
 01/11/2019   12:20:48   ( -67.51, 174.41) 01/11/2019   12:19:38  ( -67.60, 173.10)   56.68                70
 01/14/2019   02:56:27   ( -68.34, -45.47) 01/14/2019   02:57:00  ( -68.34, -45.44)    1.39                33
 01/14/2019   03:47:10   (  68.17, 122.05) 01/14/2019   03:46:28  (  68.17, 122.00)    1.87                42
 01/16/2019   18:22:45   (  68.74, -97.54) 01/16/2019   18:23:56  (  68.63, -96.84)   30.93                71
 01/16/2019   19:13:20   ( -68.26,  70.40) 01/16/2019   19:13:31  ( -68.25,  70.33)    2.94                11
 01/16/2019   20:04:04   (  68.15,-122.16) 01/16/2019   20:02:58  (  68.13,-122.16)    2.13                66
 01/19/2019   10:39:33   (  68.40,  18.68) 01/19/2019   10:40:30  (  68.38,  18.74)    3.16                57
 01/19/2019   11:30:14   ( -68.24,-173.81) 01/19/2019   11:30:01  ( -68.22,-173.82)    2.29                13
 01/19/2019   12:20:47   (  67.54,  -5.63) 01/19/2019   12:19:37  (  67.60,  -6.90)   54.20                70
 01/22/2019   02:56:26   (  68.33, 134.54) 01/22/2019   02:57:01  (  68.30, 134.52)    2.97                35