Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 12 3.  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)
 12/04/2021   21:53:20   ( -69.10,  29.55) 12/04/2021   21:54:11  ( -69.13,  29.56)    3.23                51
 12/04/2021   22:44:04   (  68.98,-162.96) 12/04/2021   22:43:39  (  68.97,-163.00)    1.49                25
 12/04/2021   23:34:30   ( -68.04,   5.57) 12/04/2021   23:33:22  ( -68.13,   3.61)   82.12                68
 12/07/2021   13:19:47   (  70.07, -23.39) 12/07/2021   13:20:53  (  69.96, -21.09)   88.58                66
 12/07/2021   14:10:12   ( -69.09, 145.35) 12/07/2021   14:10:37  ( -69.07, 145.36)    2.49                25
 12/07/2021   15:00:56   (  68.96, -47.17) 12/07/2021   15:00:04  (  68.96, -47.14)    1.47                52
 12/10/2021   05:36:22   (  69.16,  93.72) 12/10/2021   05:37:32  (  69.16,  93.73)    0.44                70
 12/10/2021   06:27:03   ( -69.02, -98.78) 12/10/2021   06:27:02  ( -69.05, -98.78)    2.78                 1
 12/10/2021   07:17:44   (  68.74,  68.91) 12/10/2021   07:16:31  (  68.82,  68.58)   16.40                73
 12/12/2021   21:53:14   (  69.15,-150.49) 12/12/2021   21:53:57  (  69.13,-150.43)    3.52                43
 12/12/2021   22:43:55   ( -69.01,  17.01) 12/12/2021   22:43:27  ( -69.02,  17.07)    2.38                28
 12/15/2021   13:19:34   ( -69.95, 156.82) 12/15/2021   13:20:42  ( -69.87, 158.80)   76.24                68
 12/15/2021   14:10:04   (  69.09, -34.63) 12/15/2021   14:10:21  (  69.09, -34.59)    1.63                17
 12/15/2021   15:00:45   ( -68.95, 132.87) 12/15/2021   14:59:52  ( -68.93, 132.84)    2.85                53