Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 5 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)
 05/21/2020   10:39:03   ( -68.87,-161.87) 05/21/2020   10:40:13  ( -68.75,-160.83)   44.04                70
 05/21/2020   11:29:38   (  68.27,   6.23) 05/21/2020   11:29:47  (  68.25,   6.21)    2.64                 9
 05/21/2020   12:20:19   ( -68.13, 173.73) 05/21/2020   12:19:17  ( -68.14, 173.71)    1.39                62
 05/24/2020   02:55:48   ( -68.35, -45.40) 05/24/2020   02:56:49  ( -68.34, -45.44)    1.86                61
 05/24/2020   03:46:32   (  68.23, 122.05) 05/24/2020   03:46:16  (  68.23, 122.07)    0.68                16
 05/24/2020   04:37:05   ( -67.66, -69.91) 05/24/2020   04:35:54  ( -67.68, -70.94)   43.75                71
 05/26/2020   19:12:42   ( -68.31,  70.42) 05/26/2020   19:13:18  ( -68.32,  70.42)    1.26                36
 05/26/2020   20:03:26   (  68.20,-122.13) 05/26/2020   20:02:45  (  68.21,-122.08)    2.32                41
 05/29/2020   10:39:01   (  68.80,  18.23) 05/29/2020   10:40:11  (  68.68,  19.10)   37.75                70
 05/29/2020   11:29:35   ( -68.28,-173.76) 05/29/2020   11:29:46  ( -68.30,-173.73)    2.90                11
 05/29/2020   12:20:18   (  68.11,  -6.24) 05/29/2020   12:19:14  (  68.12,  -6.29)    2.67                64
 06/01/2020   02:55:47   (  68.34, 134.61) 06/01/2020   02:56:45  (  68.37, 134.60)    3.00                58
 06/01/2020   03:46:29   ( -68.24, -57.94) 06/01/2020   03:46:16  ( -68.22, -57.95)    2.95                13
 06/01/2020   04:37:02   (  67.54, 110.24) 06/01/2020   04:35:52  (  67.59, 108.97)   54.21                70