Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 2 16.  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)
 02/17/2019   18:22:37   (  68.99, -97.87) 02/17/2019   18:23:46  (  68.89, -96.53)   54.78                69
 02/17/2019   19:13:07   ( -68.27,  70.41) 02/17/2019   19:13:25  ( -68.28,  70.36)    1.97                18
 02/17/2019   20:03:51   (  68.14,-122.12) 02/17/2019   20:02:52  (  68.16,-122.13)    2.81                59
 02/20/2019   10:39:20   (  68.41,  18.69) 02/20/2019   10:40:24  (  68.39,  18.74)    2.73                64
 02/20/2019   11:30:00   ( -68.22,-173.76) 02/20/2019   11:29:55  ( -68.24,-173.81)    2.78                 5
 02/20/2019   12:20:38   (  67.77,  -5.88) 02/20/2019   12:19:27  (  67.84,  -6.64)   32.83                71
 02/23/2019   02:56:13   (  68.36, 134.52) 02/23/2019   02:56:54  (  68.34, 134.56)    2.42                41
 02/23/2019   03:46:53   ( -68.18, -57.92) 02/23/2019   03:46:25  ( -68.19, -57.99)    3.43                28
 02/25/2019   18:22:37   ( -69.24,  81.80) 02/25/2019   18:23:44  ( -69.14,  83.79)   79.32                67
 02/25/2019   19:13:05   (  68.32,-109.64) 02/25/2019   19:13:23  (  68.30,-109.62)    2.39                18
 02/25/2019   20:03:46   ( -68.18,  57.85) 02/25/2019   20:02:53  ( -68.21,  57.90)    3.37                53
 02/28/2019   10:39:14   ( -68.40,-161.28) 02/28/2019   10:40:26  ( -68.38,-161.29)    2.18                72
 02/28/2019   11:29:58   (  68.27,   6.19) 02/28/2019   11:29:53  (  68.25,   6.20)    2.57                 5
 02/28/2019   12:20:37   ( -68.03, 173.81) 02/28/2019   12:19:25  ( -68.05, 173.60)    9.27                72