Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 3 24.  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)
 03/26/2017   10:39:04   ( -68.95,-161.92) 03/26/2017   10:40:14  ( -68.85,-160.70)   49.94                70
 03/26/2017   11:29:38   (  68.30,   6.25) 03/26/2017   11:29:49  (  68.29,   6.25)    1.77                11
 03/26/2017   12:20:19   ( -68.16, 173.75) 03/26/2017   12:19:19  ( -68.19, 173.76)    3.13                60
 03/29/2017   02:55:47   ( -68.42, -45.43) 03/29/2017   02:56:51  ( -68.41, -45.37)    2.98                64
 03/29/2017   03:46:30   (  68.26, 122.09) 03/29/2017   03:46:19  (  68.23, 122.06)    3.33                11
 03/29/2017   04:37:06   ( -67.84, -70.07) 03/29/2017   04:35:54  ( -67.85, -70.75)   28.65                72
 03/31/2017   19:12:38   ( -68.32,  70.48) 03/31/2017   19:13:21  ( -68.34,  70.43)    3.16                43
 03/31/2017   20:03:22   (  68.21,-122.07) 03/31/2017   20:02:48  (  68.22,-122.07)    0.68                34
 04/03/2017   10:39:01   (  69.07,  17.94) 04/03/2017   10:40:10  (  68.98,  19.47)   61.91                69
 04/03/2017   11:29:31   ( -68.33,-173.74) 04/03/2017   11:29:50  ( -68.32,-173.71)    1.58                19
 04/03/2017   12:20:14   (  68.17,  -6.24) 04/03/2017   12:19:18  (  68.15,  -6.27)    3.24                56
 04/06/2017   02:55:40   (  68.39, 134.64) 04/06/2017   02:56:48  (  68.39, 134.63)    0.66                68
 04/06/2017   03:46:22   ( -68.28, -57.91) 04/06/2017   03:46:18  ( -68.30, -57.85)    2.74                 4
 04/06/2017   04:37:01   (  67.91, 109.87) 04/06/2017   04:35:49  (  67.95, 109.38)   20.80                72