Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 5 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)
 05/16/2020   02:55:50   (  68.33, 134.60) 05/16/2020   02:56:48  (  68.35, 134.56)    2.34                58
 05/16/2020   03:46:32   ( -68.24, -57.96) 05/16/2020   03:46:18  ( -68.24, -57.94)    1.34                14
 05/16/2020   04:37:05   (  67.53, 110.23) 05/16/2020   04:35:55  (  67.57, 108.93)   55.45                70
 05/18/2020   19:12:45   (  68.35,-109.64) 05/18/2020   19:13:17  (  68.33,-109.57)    3.07                32
 05/18/2020   20:03:26   ( -68.20,  57.87) 05/18/2020   20:02:48  ( -68.17,  57.87)    3.18                38
 05/21/2020   10:39:03   ( -68.85,-161.84) 05/21/2020   10:40:13  ( -68.76,-160.81)   42.56                70
 05/21/2020   11:29:38   (  68.26,   6.25) 05/21/2020   11:29:47  (  68.26,   6.22)    1.46                 9
 05/21/2020   12:20:20   ( -68.16, 173.69) 05/21/2020   12:19:17  ( -68.16, 173.73)    1.68                63
 05/24/2020   02:55:48   ( -68.33, -45.38) 05/24/2020   02:56:49  ( -68.35, -45.43)    3.29                61
 05/24/2020   03:46:32   (  68.22, 122.07) 05/24/2020   03:46:16  (  68.23, 122.07)    1.33                16
 05/24/2020   04:37:05   ( -67.64, -69.89) 05/24/2020   04:35:54  ( -67.69, -70.93)   44.53                71
 05/26/2020   19:12:42   ( -68.35,  70.37) 05/26/2020   19:13:17  ( -68.33,  70.42)    3.32                35
 05/26/2020   20:03:25   (  68.19,-122.11) 05/26/2020   20:02:44  (  68.20,-122.08)    1.81                41