Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 5 21.  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   10:39:03   ( -68.87,-161.87) 05/21/2020   10:40:13  ( -68.74,-160.83)   44.32                70
 05/21/2020   11:29:38   (  68.27,   6.23) 05/21/2020   11:29:47  (  68.25,   6.21)    2.60                 9
 05/21/2020   12:20:19   ( -68.13, 173.73) 05/21/2020   12:19:17  ( -68.14, 173.71)    0.98                62
 05/24/2020   02:55:48   ( -68.35, -45.41) 05/24/2020   02:56:49  ( -68.35, -45.44)    1.58                61
 05/24/2020   03:46:32   (  68.23, 122.05) 05/24/2020   03:46:16  (  68.24, 122.08)    0.91                16
 05/24/2020   04:37:05   ( -67.66, -69.91) 05/24/2020   04:35:54  ( -67.68, -70.94)   43.44                71
 05/26/2020   19:12:42   ( -68.31,  70.42) 05/26/2020   19:13:18  ( -68.33,  70.43)    2.20                36
 05/26/2020   20:03:26   (  68.20,-122.12) 05/26/2020   20:02:45  (  68.22,-122.06)    3.63                41
 05/29/2020   10:39:01   (  68.80,  18.23) 05/29/2020   10:40:11  (  68.70,  19.13)   37.75                70
 05/29/2020   11:29:35   ( -68.28,-173.76) 05/29/2020   11:29:47  ( -68.26,-173.77)    1.57                12
 05/29/2020   12:20:19   (  68.16,  -6.30) 05/29/2020   12:19:14  (  68.15,  -6.27)    2.39                65
 06/01/2020   02:55:47   (  68.34, 134.62) 06/01/2020   02:56:46  (  68.35, 134.58)    2.03                59
 06/01/2020   03:46:29   ( -68.24, -57.94) 06/01/2020   03:46:16  ( -68.25, -57.91)    1.29                13
 06/01/2020   04:37:02   (  67.53, 110.25) 06/01/2020   04:35:52  (  67.62, 109.01)   53.44                70
 06/03/2020   19:12:41   (  68.31,-109.56) 06/03/2020   19:13:15  (  68.32,-109.57)    2.06                34
 06/03/2020   20:03:22   ( -68.15,  57.95) 06/03/2020   20:02:46  ( -68.17,  57.88)    3.59                36