Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 1 7.  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   18:22:47   ( -68.75,  82.44) 01/08/2019   18:23:58  ( -68.61,  83.13)   31.66                71
 01/08/2019   19:13:24   (  68.26,-109.61) 01/08/2019   19:13:29  (  68.28,-109.63)    2.84                 5
 01/08/2019   20:04:06   ( -68.17,  57.83) 01/08/2019   20:02:59  ( -68.17,  57.88)    2.23                67
 01/11/2019   10:39:33   ( -68.35,-161.26) 01/11/2019   10:40:31  ( -68.36,-161.30)    2.13                58
 01/11/2019   11:30:17   (  68.23,   6.20) 01/11/2019   11:29:58  (  68.24,   6.21)    1.30                19
 01/11/2019   12:20:48   ( -67.55, 174.37) 01/11/2019   12:19:38  ( -67.58, 173.07)   55.09                70
 01/14/2019   02:56:27   ( -68.32, -45.45) 01/14/2019   02:57:01  ( -68.33, -45.45)    1.18                34
 01/14/2019   03:47:11   (  68.21, 122.00) 01/14/2019   03:46:28  (  68.22, 122.06)    2.57                43
 01/16/2019   18:22:46   (  68.77, -97.59) 01/16/2019   18:23:57  (  68.65, -96.83)   34.12                71
 01/16/2019   19:13:21   ( -68.30,  70.35) 01/16/2019   19:13:31  ( -68.32,  70.41)    3.61                10
 01/16/2019   20:04:04   (  68.14,-122.14) 01/16/2019   20:02:59  (  68.15,-122.15)    1.64                65
 01/19/2019   10:39:33   (  68.38,  18.70) 01/19/2019   10:40:32  (  68.37,  18.71)    1.40                59
 01/19/2019   11:30:14   ( -68.22,-173.78) 01/19/2019   11:30:03  ( -68.21,-173.85)    2.85                11
 01/19/2019   12:20:48   (  67.58,  -5.67) 01/19/2019   12:19:38  (  67.64,  -6.86)   50.80                70