Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 5 20.  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)
 05/21/2020   10:39:02   ( -68.83,-161.81) 05/21/2020   10:40:13  ( -68.74,-160.84)   40.25                71
 05/21/2020   11:29:38   (  68.28,   6.22) 05/21/2020   11:29:46  (  68.30,   6.27)    2.67                 8
 05/21/2020   12:20:19   ( -68.14, 173.72) 05/21/2020   12:19:17  ( -68.13, 173.70)    1.44                62
 05/24/2020   02:55:48   ( -68.36, -45.42) 05/24/2020   02:56:49  ( -68.33, -45.45)    3.13                61
 05/24/2020   03:46:32   (  68.24, 122.04) 05/24/2020   03:46:16  (  68.23, 122.06)    1.93                16
 05/24/2020   04:37:04   ( -67.61, -69.85) 05/24/2020   04:35:54  ( -67.67, -70.95)   46.84                70
 05/26/2020   19:12:42   ( -68.32,  70.41) 05/26/2020   19:13:18  ( -68.32,  70.41)    0.07                36
 05/26/2020   20:03:26   (  68.20,-122.13) 05/26/2020   20:02:45  (  68.21,-122.08)    2.28                41
 05/29/2020   10:39:02   (  68.81,  18.22) 05/29/2020   10:40:12  (  68.68,  19.11)   38.16                70
 05/29/2020   11:29:36   ( -68.28,-173.77) 05/29/2020   11:29:47  ( -68.30,-173.73)    2.64                11
 05/29/2020   12:20:19   (  68.12,  -6.24) 05/29/2020   12:19:15  (  68.13,  -6.29)    2.28                64
 06/01/2020   02:55:47   (  68.34, 134.61) 06/01/2020   02:56:46  (  68.32, 134.55)    3.56                59
 06/01/2020   03:46:29   ( -68.25, -57.94) 06/01/2020   03:46:16  ( -68.22, -57.94)    2.47                13
 06/01/2020   04:37:02   (  67.54, 110.24) 06/01/2020   04:35:52  (  67.60, 108.98)   53.73                70