Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 4 1.  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)
 04/01/2019   11:29:38   (  68.31,   6.21) 04/01/2019   11:30:03  (  68.30,   6.24)    1.64                25
 04/01/2019   12:20:19   ( -68.18, 173.69) 04/01/2019   12:19:33  ( -68.18, 173.73)    1.51                46
 04/04/2019   02:55:51   ( -68.64, -45.75) 04/04/2019   02:57:03  ( -68.53, -45.25)   23.56                72
 04/04/2019   03:46:30   (  68.25, 122.08) 04/04/2019   03:46:33  (  68.26, 122.07)    1.62                 3
 04/04/2019   04:37:11   ( -68.11, -70.44) 04/04/2019   04:36:04  ( -68.09, -70.50)    3.54                67
 04/06/2019   19:12:39   ( -68.36,  70.40) 04/06/2019   19:13:36  ( -68.33,  70.38)    3.36                57
 04/06/2019   20:03:23   (  68.24,-122.13) 04/06/2019   20:03:03  (  68.22,-122.10)    2.10                20
 04/06/2019   20:53:53   ( -67.51,  46.09) 04/06/2019   20:52:43  ( -67.55,  44.76)   56.87                70
 04/09/2019   11:29:31   ( -68.29,-173.73) 04/09/2019   11:30:06  ( -68.29,-173.78)    2.19                35
 04/09/2019   12:20:15   (  68.17,  -6.27) 04/09/2019   12:19:33  (  68.18,  -6.27)    0.70                42
 04/12/2019   02:55:49   (  68.80, 134.06) 04/12/2019   02:56:59  (  68.69, 134.95)   37.87                70
 04/12/2019   03:46:23   ( -68.28, -57.94) 04/12/2019   03:46:35  ( -68.26, -57.95)    2.65                12
 04/12/2019   04:37:06   (  68.11, 109.59) 04/12/2019   04:36:02  (  68.14, 109.55)    3.24                64
 04/14/2019   19:12:34   (  68.37,-109.59) 04/14/2019   19:13:34  (  68.37,-109.57)    1.01                60
 04/14/2019   20:03:15   ( -68.22,  57.93) 04/14/2019   20:03:05  ( -68.22,  57.88)    1.82                10
 04/14/2019   20:53:50   (  67.62,-134.02) 04/14/2019   20:52:39  (  67.70,-135.07)   45.23                71