Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 5 17.  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)
 05/18/2020   19:12:44   (  68.29,-109.57) 05/18/2020   19:13:18  (  68.28,-109.63)    2.74                34
 05/18/2020   20:03:26   ( -68.20,  57.86) 05/18/2020   20:02:48  ( -68.17,  57.87)    3.44                38
 05/21/2020   10:39:03   ( -68.85,-161.84) 05/21/2020   10:40:14  ( -68.72,-160.87)   41.87                71
 05/21/2020   11:29:38   (  68.25,   6.26) 05/21/2020   11:29:47  (  68.27,   6.24)    2.71                 9
 05/21/2020   12:20:20   ( -68.16, 173.69) 05/21/2020   12:19:17  ( -68.17, 173.74)    2.13                63
 05/24/2020   02:55:49   ( -68.38, -45.45) 05/24/2020   02:56:49  ( -68.38, -45.41)    1.88                60
 05/24/2020   03:46:32   (  68.21, 122.08) 05/24/2020   03:46:17  (  68.21, 122.04)    1.98                15
 05/24/2020   04:37:05   ( -67.64, -69.88) 05/24/2020   04:35:54  ( -67.71, -70.91)   44.00                71
 05/26/2020   19:12:41   ( -68.29,  70.45) 05/26/2020   19:13:18  ( -68.31,  70.40)    2.76                37
 05/26/2020   20:03:25   (  68.18,-122.10) 05/26/2020   20:02:45  (  68.19,-122.10)    1.24                40
 05/29/2020   10:39:01   (  68.79,  18.25) 05/29/2020   10:40:12  (  68.67,  19.09)   35.97                71
 05/29/2020   11:29:36   ( -68.31,-173.80) 05/29/2020   11:29:47  ( -68.29,-173.74)    3.15                11
 05/29/2020   12:20:19   (  68.15,  -6.28) 05/29/2020   12:19:15  (  68.12,  -6.30)    3.38                64