Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 11 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)
 11/24/2020   02:55:54   (  68.40, 134.59) 11/24/2020   02:56:35  (  68.41, 134.62)    1.82                41
 11/24/2020   03:46:35   ( -68.28, -57.94) 11/24/2020   03:46:06  ( -68.25, -57.94)    3.55                29
 11/26/2020   18:22:16   ( -69.27,  81.88) 11/26/2020   18:23:24  ( -69.14,  83.77)   75.95                68
 11/26/2020   19:12:45   (  68.34,-109.55) 11/26/2020   19:13:03  (  68.36,-109.56)    2.81                18
 11/26/2020   20:03:26   ( -68.21,  57.93) 11/26/2020   20:02:34  ( -68.20,  57.88)    2.10                52
 11/29/2020   10:38:54   ( -68.46,-161.24) 11/29/2020   10:40:04  ( -68.48,-161.18)    3.40                70
 11/29/2020   11:29:38   (  68.33,   6.23) 11/29/2020   11:29:32  (  68.30,   6.26)    2.59                 6
 11/29/2020   12:20:17   ( -68.09, 173.86) 11/29/2020   12:19:03  ( -68.15, 173.70)    9.00                74
 12/02/2020   02:55:46   ( -68.39, -45.38) 12/02/2020   02:56:33  ( -68.42, -45.37)    2.75                47
 12/02/2020   03:46:30   (  68.27, 122.09) 12/02/2020   03:46:01  (  68.24, 122.06)    2.93                29
 12/02/2020   04:36:54   ( -67.22, -69.31) 12/02/2020   04:35:47  ( -67.25, -71.44)   91.70                67
 12/04/2020   18:22:12   (  69.27, -98.11) 12/04/2020   18:23:19  (  69.17, -96.18)   77.32                67
 12/04/2020   19:12:38   ( -68.33,  70.47) 12/04/2020   19:13:02  ( -68.35,  70.43)    2.60                24
 12/04/2020   20:03:21   (  68.21,-122.06) 12/04/2020   20:02:28  (  68.23,-122.07)    2.13                53