Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 3 31.  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   (  68.30,   6.23) 04/01/2019   11:30:03  (  68.31,   6.25)    1.17                25
 04/01/2019   12:20:19   ( -68.17, 173.71) 04/01/2019   12:19:34  ( -68.15, 173.69)    2.93                45
 04/04/2019   02:55:51   ( -68.63, -45.73) 04/04/2019   02:57:03  ( -68.55, -45.23)   22.45                72
 04/04/2019   03:46:30   (  68.24, 122.09) 04/04/2019   03:46:33  (  68.26, 122.07)    3.04                 3
 04/04/2019   04:37:11   ( -68.10, -70.42) 04/04/2019   04:36:04  ( -68.11, -70.48)    2.41                67
 04/06/2019   19:12:39   ( -68.35,  70.42) 04/06/2019   19:13:36  ( -68.34,  70.40)    1.63                57
 04/06/2019   20:03:23   (  68.23,-122.12) 04/06/2019   20:03:03  (  68.22,-122.10)    1.31                20
 04/06/2019   20:53:53   ( -67.50,  46.10) 04/06/2019   20:52:43  ( -67.56,  44.77)   57.15                70
 04/09/2019   11:29:30   ( -68.28,-173.72) 04/09/2019   11:30:05  ( -68.29,-173.78)    2.77                35
 04/09/2019   12:20:14   (  68.16,  -6.26) 04/09/2019   12:19:32  (  68.17,  -6.28)    0.98                42
 04/12/2019   02:55:48   (  68.74, 134.14) 04/12/2019   02:56:59  (  68.67, 134.93)   32.76                71
 04/12/2019   03:46:23   ( -68.27, -57.92) 04/12/2019   03:46:34  ( -68.30, -57.89)    3.25                11
 04/12/2019   04:37:06   (  68.10, 109.60) 04/12/2019   04:36:02  (  68.12, 109.54)    2.81                64