Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 6 15.  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)
 06/17/2020   02:55:43   (  68.34, 134.65) 06/17/2020   02:56:46  (  68.35, 134.59)    2.37                63
 06/17/2020   03:46:25   ( -68.26, -57.93) 06/17/2020   03:46:16  ( -68.24, -57.90)    2.34                 9
 06/17/2020   04:37:01   (  67.70, 110.08) 06/17/2020   04:35:50  (  67.74, 109.15)   39.18                71
 06/19/2020   19:12:36   (  68.33,-109.56) 06/19/2020   19:13:15  (  68.30,-109.59)    2.86                39
 06/19/2020   20:03:17   ( -68.19,  57.94) 06/19/2020   20:02:45  ( -68.20,  57.92)    1.43                32
 06/22/2020   10:38:58   ( -69.07,-162.08) 06/22/2020   10:40:07  ( -68.98,-160.51)   63.47                69
 06/22/2020   11:29:30   (  68.31,   6.24) 06/22/2020   11:29:44  (  68.31,   6.30)    2.45                14
 06/22/2020   12:20:11   ( -68.17, 173.74) 06/22/2020   12:19:15  ( -68.15, 173.75)    2.02                56
 06/25/2020   02:55:39   ( -68.36, -45.36) 06/25/2020   02:56:47  ( -68.38, -45.38)    1.79                68
 06/25/2020   03:46:23   (  68.24, 122.11) 06/25/2020   03:46:14  (  68.25, 122.12)    1.13                 9
 06/25/2020   04:37:00   ( -67.89, -70.13) 06/25/2020   04:35:48  ( -67.93, -70.63)   21.59                72
 06/27/2020   19:12:33   ( -68.35,  70.44) 06/27/2020   19:13:17  ( -68.32,  70.43)    3.17                44
 06/27/2020   20:03:16   (  68.18,-122.03) 06/27/2020   20:02:44  (  68.19,-122.07)    2.43                32