Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 4 9.  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)
 04/11/2020   10:39:14   (  69.23,  17.60) 04/11/2020   10:40:21  (  69.12,  19.56)   78.45                67
 04/11/2020   11:29:40   ( -68.29,-173.82) 04/11/2020   11:30:04  ( -68.28,-173.84)    1.51                24
 04/11/2020   12:20:24   (  68.16,  -6.34) 04/11/2020   12:19:31  (  68.17,  -6.33)    0.97                53
 04/14/2020   02:55:53   (  68.36, 134.56) 04/14/2020   02:57:02  (  68.35, 134.49)    2.82                69
 04/14/2020   03:46:35   ( -68.27, -58.02) 04/14/2020   03:46:32  ( -68.24, -58.00)    3.34                 3
 04/14/2020   04:37:14   (  67.88, 109.79) 04/14/2020   04:36:02  (  67.96, 109.31)   22.12                72
 04/16/2020   19:12:48   (  68.34,-109.65) 04/16/2020   19:13:29  (  68.35,-109.61)    2.34                41
 04/16/2020   20:03:29   ( -68.20,  57.85) 04/16/2020   20:03:00  ( -68.20,  57.83)    0.77                29
 04/19/2020   10:39:11   ( -69.08,-162.18) 04/19/2020   10:40:20  ( -68.98,-160.60)   64.15                69
 04/19/2020   11:29:42   (  68.27,   6.21) 04/19/2020   11:29:57  (  68.30,   6.21)    3.43                15
 04/19/2020   12:20:23   ( -68.12, 173.71) 04/19/2020   12:19:28  ( -68.14, 173.66)    3.14                55
 04/22/2020   02:55:52   ( -68.37, -45.46) 04/22/2020   02:56:57  ( -68.37, -45.46)    0.51                65
 04/22/2020   03:46:36   (  68.26, 122.00) 04/22/2020   03:46:24  (  68.24, 122.03)    2.08                12
 04/22/2020   04:37:11   ( -67.78, -70.09) 04/22/2020   04:35:59  ( -67.87, -70.78)   30.17                72