Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 2 15.  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, -97.86) 02/17/2019   18:23:46  (  68.90, -96.52)   54.38                69
 02/17/2019   19:13:08   ( -68.32,  70.35) 02/17/2019   19:13:25  ( -68.29,  70.37)    3.01                17
 02/17/2019   20:03:52   (  68.19,-122.18) 02/17/2019   20:02:52  (  68.18,-122.12)    2.50                60
 02/20/2019   10:39:20   (  68.40,  18.70) 02/20/2019   10:40:24  (  68.41,  18.76)    2.67                64
 02/20/2019   11:30:01   ( -68.27,-173.81) 02/20/2019   11:29:55  ( -68.26,-173.80)    1.73                 6
 02/20/2019   12:20:39   (  67.82,  -5.94) 02/20/2019   12:19:27  (  67.86,  -6.62)   29.04                72
 02/23/2019   02:56:13   (  68.36, 134.53) 02/23/2019   02:56:54  (  68.38, 134.59)    3.28                41
 02/23/2019   03:46:54   ( -68.22, -57.98) 02/23/2019   03:46:25  ( -68.22, -57.96)    0.91                29
 02/25/2019   18:22:36   ( -69.24,  81.81) 02/25/2019   18:23:44  ( -69.14,  83.77)   78.43                68
 02/25/2019   19:13:05   (  68.31,-109.64) 02/25/2019   19:13:24  (  68.29,-109.63)    2.59                19
 02/25/2019   20:03:46   ( -68.18,  57.85) 02/25/2019   20:02:54  ( -68.20,  57.89)    2.46                52
 02/28/2019   10:39:15   ( -68.45,-161.35) 02/28/2019   10:40:26  ( -68.45,-161.22)    5.43                71
 02/28/2019   11:29:58   (  68.27,   6.19) 02/28/2019   11:29:54  (  68.27,   6.21)    1.19                 4
 02/28/2019   12:20:38   ( -68.08, 173.75) 02/28/2019   12:19:25  ( -68.12, 173.67)    5.27                73