Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 4 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)
 04/19/2020   10:39:10   ( -69.06,-162.16) 04/19/2020   10:40:19  ( -69.00,-160.57)   63.48                69
 04/19/2020   11:29:42   (  68.30,   6.17) 04/19/2020   11:29:57  (  68.27,   6.18)    2.74                15
 04/19/2020   12:20:23   ( -68.16, 173.67) 04/19/2020   12:19:27  ( -68.17, 173.68)    0.71                56
 04/22/2020   02:55:52   ( -68.36, -45.44) 04/22/2020   02:56:57  ( -68.38, -45.45)    2.69                65
 04/22/2020   03:46:36   (  68.24, 122.02) 04/22/2020   03:46:25  (  68.21, 121.99)    3.12                11
 04/22/2020   04:37:11   ( -67.77, -70.08) 04/22/2020   04:35:59  ( -67.88, -70.76)   31.18                72
 04/24/2020   19:12:45   ( -68.30,  70.41) 04/24/2020   19:13:24  ( -68.32,  70.36)    3.12                39
 04/24/2020   20:03:29   (  68.18,-122.13) 04/24/2020   20:02:51  (  68.20,-122.13)    2.34                38
 04/27/2020   10:39:05   (  68.76,  18.26) 04/27/2020   10:40:16  (  68.68,  19.07)   33.86                71
 04/27/2020   11:29:40   ( -68.29,-173.81) 04/27/2020   11:29:51  ( -68.30,-173.77)    2.11                11
 04/27/2020   12:20:23   (  68.12,  -6.28) 04/27/2020   12:19:19  (  68.12,  -6.33)    1.95                64
 04/30/2020   02:55:53   (  68.38, 134.53) 04/30/2020   02:56:48  (  68.38, 134.59)    2.59                55
 04/30/2020   03:46:34   ( -68.23, -57.96) 04/30/2020   03:46:19  ( -68.22, -57.97)    1.13                15
 04/30/2020   04:37:06   (  67.47, 110.29) 04/30/2020   04:35:56  (  67.54, 108.89)   60.06                70