Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 2 21.  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)
 02/23/2019   02:56:13   (  68.34, 134.55) 02/23/2019   02:56:54  (  68.32, 134.53)    3.03                41
 02/23/2019   03:46:54   ( -68.22, -57.97) 02/23/2019   03:46:24  ( -68.21, -57.96)    0.71                30
 02/25/2019   18:22:35   ( -69.17,  81.91) 02/25/2019   18:23:43  ( -69.08,  83.71)   71.97                68
 02/25/2019   19:13:05   (  68.29,-109.60) 02/25/2019   19:13:22  (  68.29,-109.62)    1.07                17
 02/25/2019   20:03:46   ( -68.16,  57.88) 02/25/2019   20:02:53  ( -68.14,  57.83)    3.30                53
 02/28/2019   10:39:15   ( -68.41,-161.29) 02/28/2019   10:40:24  ( -68.38,-161.28)    3.42                69
 02/28/2019   11:29:59   (  68.28,   6.18) 02/28/2019   11:29:51  (  68.26,   6.22)    2.58                 8
 02/28/2019   12:20:37   ( -67.99, 173.87) 02/28/2019   12:19:23  ( -68.05, 173.60)   13.04                74
 03/03/2019   02:56:08   ( -68.34, -45.43) 03/03/2019   02:56:53  ( -68.34, -45.45)    1.08                45
 03/03/2019   03:46:52   (  68.21, 122.05) 03/03/2019   03:46:20  (  68.21, 122.04)    0.28                32
 03/05/2019   18:22:33   (  69.09, -97.98) 03/05/2019   18:23:41  (  68.99, -96.40)   64.20                68
 03/05/2019   19:13:02   ( -68.32,  70.37) 03/05/2019   19:13:21  ( -68.34,  70.43)    3.19                19
 03/05/2019   20:03:44   (  68.13,-122.09) 03/05/2019   20:02:48  (  68.15,-122.14)    3.17                56