Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 3 16.  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)
 03/18/2020   11:29:40   (  68.32,   6.15) 03/18/2020   11:30:16  (  68.34,   6.15)    1.52                36
 03/18/2020   12:20:21   ( -68.20, 173.64) 03/18/2020   12:19:47  ( -68.18, 173.60)    2.42                34
 03/21/2020   02:55:59   ( -68.90, -46.15) 03/21/2020   02:57:10  ( -68.79, -45.05)   45.67                71
 03/21/2020   03:46:34   (  68.29, 121.97) 03/21/2020   03:46:44  (  68.28, 121.97)    1.15                10
 03/21/2020   04:37:15   ( -68.16, -70.54) 03/21/2020   04:36:14  ( -68.18, -70.52)    2.80                61
 03/23/2020   19:12:45   ( -68.38,  70.31) 03/23/2020   19:13:45  ( -68.40,  70.35)    2.18                60
 03/23/2020   20:03:29   (  68.25,-122.22) 03/23/2020   20:03:12  (  68.27,-122.16)    3.10                17
 03/23/2020   20:54:01   ( -67.63,  45.87) 03/23/2020   20:52:50  ( -67.73,  44.84)   44.71                71
 03/26/2020   11:29:40   ( -68.35,-173.88) 03/26/2020   11:30:14  ( -68.33,-173.84)    2.18                34
 03/26/2020   12:20:24   (  68.22,  -6.41) 03/26/2020   12:19:41  (  68.20,  -6.35)    3.11                43
 03/29/2020   02:55:58   (  68.67, 134.15) 03/29/2020   02:57:09  (  68.58, 134.72)   25.05                71
 03/29/2020   03:46:34   ( -68.26, -58.00) 03/29/2020   03:46:43  ( -68.27, -58.03)    1.64                 9
 03/29/2020   04:37:18   (  68.14, 109.47) 03/29/2020   04:36:10  (  68.13, 109.46)    0.53                68