Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 9 30.  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)
 10/01/2020   18:22:34   (  68.51, -97.10) 10/01/2020   18:23:45  (  68.47, -97.03)    5.25                71
 10/01/2020   19:13:15   ( -68.37,  70.41) 10/01/2020   19:13:15  ( -68.37,  70.47)    2.78                 0
 10/01/2020   20:03:57   (  68.14,-121.99) 10/01/2020   20:02:44  (  68.14,-122.15)    6.26                73
 10/04/2020   10:39:26   (  68.39,  18.83) 10/04/2020   10:40:15  (  68.42,  18.78)    3.24                49
 10/04/2020   11:30:08   ( -68.30,-173.74) 10/04/2020   11:29:45  ( -68.31,-173.71)    1.43                23
 10/04/2020   12:20:35   (  67.27,  -5.16) 10/04/2020   12:19:28  (  67.30,  -7.23)   89.11                67
 10/07/2020   02:05:54   ( -69.51, -34.23) 10/07/2020   02:07:00  ( -69.41, -31.72)   98.64                66
 10/07/2020   02:56:19   (  68.38, 134.61) 10/07/2020   02:56:44  (  68.36, 134.59)    3.10                25
 10/07/2020   03:47:00   ( -68.24, -57.88) 10/07/2020   03:46:14  ( -68.25, -57.90)    2.33                46
 10/09/2020   18:22:32   ( -68.65,  82.73) 10/09/2020   18:23:44  ( -68.58,  83.09)   16.50                72
 10/09/2020   19:13:12   (  68.32,-109.54) 10/09/2020   19:13:13  (  68.35,-109.54)    3.15                 1
 10/09/2020   20:03:54   ( -68.22,  57.90) 10/09/2020   20:02:44  ( -68.19,  57.90)    3.34                70
 10/12/2020   10:39:22   ( -68.42,-161.21) 10/12/2020   10:40:16  ( -68.40,-161.24)    2.50                54
 10/12/2020   11:30:05   (  68.26,   6.31) 10/12/2020   11:29:43  (  68.28,   6.25)    3.31                22
 10/12/2020   12:20:34   ( -67.46, 174.61) 10/12/2020   12:19:25  ( -67.51, 173.00)   68.83                69