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   (  68.98, -97.84) 02/17/2019   18:23:47  (  68.85, -96.57)   52.76                70
 02/17/2019   19:13:08   ( -68.31,  70.36) 02/17/2019   19:13:25  ( -68.30,  70.38)    1.85                17
 02/17/2019   20:03:52   (  68.18,-122.16) 02/17/2019   20:02:52  (  68.19,-122.11)    2.53                60
 02/20/2019   10:39:20   (  68.39,  18.71) 02/20/2019   10:40:25  (  68.36,  18.71)    3.03                65
 02/20/2019   11:30:01   ( -68.26,-173.80) 02/20/2019   11:29:55  ( -68.26,-173.78)    0.90                 6
 02/20/2019   12:20:39   (  67.80,  -5.92) 02/20/2019   12:19:27  (  67.86,  -6.60)   29.37                72
 02/23/2019   02:56:12   (  68.34, 134.55) 02/23/2019   02:56:54  (  68.33, 134.54)    1.67                42
 02/23/2019   03:46:53   ( -68.21, -57.97) 02/23/2019   03:46:24  ( -68.23, -57.94)    2.23                29
 02/25/2019   18:22:36   ( -69.23,  81.83) 02/25/2019   18:23:44  ( -69.14,  83.79)   78.03                68
 02/25/2019   19:13:05   (  68.30,-109.62) 02/25/2019   19:13:24  (  68.30,-109.62)    0.23                19
 02/25/2019   20:03:46   ( -68.17,  57.87) 02/25/2019   20:02:55  ( -68.15,  57.83)    2.26                51
 02/28/2019   10:39:15   ( -68.43,-161.33) 02/28/2019   10:40:27  ( -68.40,-161.27)    4.24                72
 02/28/2019   11:29:58   (  68.25,   6.21) 02/28/2019   11:29:54  (  68.28,   6.23)    2.65                 4
 02/28/2019   12:20:38   ( -68.07, 173.77) 02/28/2019   12:19:26  ( -68.07, 173.62)    6.36                72