Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 2 18.  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)
 02/20/2019   10:39:19   (  68.36,  18.74) 02/20/2019   10:40:24  (  68.38,  18.72)    1.52                65
 02/20/2019   11:30:00   ( -68.24,-173.77) 02/20/2019   11:29:54  ( -68.27,-173.77)    3.63                 6
 02/20/2019   12:20:38   (  67.78,  -5.89) 02/20/2019   12:19:27  (  67.82,  -6.65)   32.43                71
 02/23/2019   02:56:12   (  68.32, 134.58) 02/23/2019   02:56:54  (  68.32, 134.54)    1.94                42
 02/23/2019   03:46:54   ( -68.24, -58.00) 02/23/2019   03:46:24  ( -68.22, -57.95)    3.05                30
 02/25/2019   18:22:36   ( -69.20,  81.86) 02/25/2019   18:23:44  ( -69.12,  83.75)   75.56                68
 02/25/2019   19:13:05   (  68.27,-109.59) 02/25/2019   19:13:24  (  68.27,-109.65)    2.50                19
 02/25/2019   20:03:47   ( -68.20,  57.83) 02/25/2019   20:02:54  ( -68.18,  57.87)    2.62                53
 02/28/2019   10:39:14   ( -68.41,-161.29) 02/28/2019   10:40:25  ( -68.40,-161.26)    1.59                71
 02/28/2019   11:29:58   (  68.28,   6.18) 02/28/2019   11:29:52  (  68.28,   6.24)    2.51                 6
 02/28/2019   12:20:37   ( -68.04, 173.80) 02/28/2019   12:19:24  ( -68.07, 173.63)    8.14                73
 03/03/2019   02:56:07   ( -68.36, -45.46) 03/03/2019   02:56:55  ( -68.36, -45.44)    1.29                48
 03/03/2019   03:46:51   (  68.24, 122.01) 03/03/2019   03:46:22  (  68.23, 122.06)    2.21                29
 03/03/2019   04:37:15   ( -67.19, -69.39) 03/03/2019   04:36:08  ( -67.24, -71.44)   88.53                67