Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 2 19.  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   (  68.37,  18.74) 02/20/2019   10:40:24  (  68.36,  18.70)    2.15                65
 02/20/2019   11:30:00   ( -68.24,-173.78) 02/20/2019   11:29:54  ( -68.25,-173.79)    0.90                 6
 02/20/2019   12:20:38   (  67.78,  -5.90) 02/20/2019   12:19:26  (  67.86,  -6.61)   31.00                72
 02/23/2019   02:56:12   (  68.32, 134.57) 02/23/2019   02:56:53  (  68.34, 134.56)    2.26                41
 02/23/2019   03:46:53   ( -68.20, -57.95) 02/23/2019   03:46:24  ( -68.19, -57.99)    2.27                29
 02/25/2019   18:22:35   ( -69.16,  81.92) 02/25/2019   18:23:44  ( -69.06,  83.68)   70.75                69
 02/25/2019   19:13:05   (  68.28,-109.60) 02/25/2019   19:13:23  (  68.27,-109.65)    2.41                18
 02/25/2019   20:03:46   ( -68.15,  57.89) 02/25/2019   20:02:53  ( -68.17,  57.87)    2.30                53
 02/28/2019   10:39:14   ( -68.37,-161.24) 02/28/2019   10:40:25  ( -68.37,-161.30)    2.31                71
 02/28/2019   11:29:58   (  68.24,   6.23) 02/28/2019   11:29:52  (  68.24,   6.20)    1.32                 6
 02/28/2019   12:20:37   ( -68.00, 173.85) 02/28/2019   12:19:24  ( -68.04, 173.59)   11.73                73
 03/03/2019   02:56:06   ( -68.33, -45.41) 03/03/2019   02:56:53  ( -68.34, -45.45)    2.04                47
 03/03/2019   03:46:50   (  68.20, 122.06) 03/03/2019   03:46:20  (  68.21, 122.04)    1.37                30
 03/03/2019   04:37:14   ( -67.15, -69.34) 03/03/2019   04:36:07  ( -67.17, -71.51)   93.65                67