Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 6 14.  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)
 06/14/2020   10:38:59   (  68.88,  18.16) 06/14/2020   10:40:09  (  68.80,  19.27)   45.47                70
 06/14/2020   11:29:32   ( -68.32,-173.78) 06/14/2020   11:29:46  ( -68.30,-173.71)    3.04                14
 06/14/2020   12:20:15   (  68.13,  -6.24) 06/14/2020   12:19:14  (  68.14,  -6.26)    1.13                61
 06/17/2020   02:55:43   (  68.38, 134.60) 06/17/2020   02:56:45  (  68.37, 134.62)    0.96                62
 06/17/2020   03:46:24   ( -68.24, -57.91) 06/17/2020   03:46:15  ( -68.27, -57.88)    3.03                 9
 06/17/2020   04:37:00   (  67.68, 110.10) 06/17/2020   04:35:49  (  67.76, 109.18)   39.79                71
 06/19/2020   19:12:36   (  68.31,-109.53) 06/19/2020   19:13:15  (  68.33,-109.56)    2.48                39
 06/19/2020   20:03:18   ( -68.22,  57.90) 06/19/2020   20:02:45  ( -68.23,  57.96)    2.54                33
 06/22/2020   10:38:59   ( -69.11,-162.13) 06/22/2020   10:40:07  ( -69.01,-160.47)   66.93                68
 06/22/2020   11:29:30   (  68.29,   6.26) 06/22/2020   11:29:45  (  68.28,   6.27)    1.41                15
 06/22/2020   12:20:11   ( -68.15, 173.76) 06/22/2020   12:19:16  ( -68.13, 173.72)    3.25                55
 06/25/2020   02:55:40   ( -68.40, -45.41) 06/25/2020   02:56:47  ( -68.41, -45.34)    2.95                67
 06/25/2020   03:46:23   (  68.23, 122.12) 06/25/2020   03:46:15  (  68.23, 122.09)    1.46                 8
 06/25/2020   04:37:01   ( -67.92, -70.17) 06/25/2020   04:35:48  ( -67.97, -70.59)   17.96                73
 06/27/2020   19:12:32   ( -68.34,  70.46) 06/27/2020   19:13:16  ( -68.36,  70.48)    3.16                44
 06/27/2020   20:03:16   (  68.22,-122.09) 06/27/2020   20:02:43  (  68.24,-122.03)    3.04                33