Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 4 12.  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)
 04/14/2020   02:55:53   (  68.38, 134.53) 04/14/2020   02:57:01  (  68.38, 134.52)    0.34                68
 04/14/2020   03:46:34   ( -68.24, -57.98) 04/14/2020   03:46:31  ( -68.27, -57.98)    2.73                 3
 04/14/2020   04:37:14   (  67.90, 109.76) 04/14/2020   04:36:02  (  67.93, 109.27)   20.93                72
 04/16/2020   19:12:47   (  68.31,-109.61) 04/16/2020   19:13:29  (  68.31,-109.66)    2.12                42
 04/16/2020   20:03:29   ( -68.23,  57.81) 04/16/2020   20:02:59  ( -68.21,  57.84)    2.37                30
 04/19/2020   10:39:10   ( -69.06,-162.15) 04/19/2020   10:40:19  ( -68.97,-160.61)   62.44                69
 04/19/2020   11:29:42   (  68.30,   6.17) 04/19/2020   11:29:56  (  68.30,   6.21)    1.59                14
 04/19/2020   12:20:23   ( -68.16, 173.67) 04/19/2020   12:19:27  ( -68.14, 173.65)    2.55                56
 04/22/2020   02:55:52   ( -68.36, -45.44) 04/22/2020   02:56:56  ( -68.39, -45.43)    3.61                64
 04/22/2020   03:46:36   (  68.24, 122.02) 04/22/2020   03:46:24  (  68.21, 122.00)    3.16                12
 04/22/2020   04:37:11   ( -67.77, -70.08) 04/22/2020   04:35:59  ( -67.83, -70.81)   31.73                72
 04/24/2020   19:12:45   ( -68.30,  70.41) 04/24/2020   19:13:23  ( -68.30,  70.35)    2.54                38
 04/24/2020   20:03:29   (  68.18,-122.14) 04/24/2020   20:02:50  (  68.18,-122.15)    1.08                39