Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 5 23.  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)
 05/24/2020   02:55:48   ( -68.35, -45.41) 05/24/2020   02:56:49  ( -68.34, -45.45)    2.40                61
 05/24/2020   03:46:32   (  68.23, 122.06) 05/24/2020   03:46:16  (  68.23, 122.07)    0.56                16
 05/24/2020   04:37:05   ( -67.66, -69.91) 05/24/2020   04:35:54  ( -67.67, -70.95)   43.78                71
 05/26/2020   19:12:42   ( -68.31,  70.42) 05/26/2020   19:13:18  ( -68.32,  70.41)    0.41                36
 05/26/2020   20:03:26   (  68.20,-122.12) 05/26/2020   20:02:45  (  68.21,-122.08)    2.31                41
 05/29/2020   10:39:01   (  68.80,  18.23) 05/29/2020   10:40:11  (  68.68,  19.10)   37.57                70
 05/29/2020   11:29:35   ( -68.28,-173.76) 05/29/2020   11:29:46  ( -68.29,-173.74)    1.64                11
 05/29/2020   12:20:18   (  68.11,  -6.24) 05/29/2020   12:19:14  (  68.12,  -6.29)    2.80                64
 06/01/2020   02:55:47   (  68.34, 134.62) 06/01/2020   02:56:45  (  68.36, 134.60)    2.51                58
 06/01/2020   03:46:29   ( -68.24, -57.94) 06/01/2020   03:46:15  ( -68.26, -57.89)    2.50                14
 06/01/2020   04:37:02   (  67.54, 110.25) 06/01/2020   04:35:52  (  67.58, 108.97)   54.61                70
 06/03/2020   19:12:41   (  68.31,-109.57) 06/03/2020   19:13:14  (  68.32,-109.57)    1.01                33
 06/03/2020   20:03:22   ( -68.16,  57.94) 06/03/2020   20:02:45  ( -68.16,  57.88)    2.80                37