Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 12 26.  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)
 12/26/2021   05:36:03   (  69.19,  93.71) 12/26/2021   05:37:07  (  69.18,  93.75)    2.23                64
 12/26/2021   06:26:44   ( -69.07, -98.79) 12/26/2021   06:26:37  ( -69.06, -98.77)    1.06                 7
 12/26/2021   07:17:21   (  68.56,  69.20) 12/26/2021   07:16:10  (  68.62,  68.32)   36.09                71
 12/28/2021   21:52:54   (  69.16,-150.45) 12/28/2021   21:53:32  (  69.17,-150.38)    2.99                38
 12/28/2021   22:43:35   ( -69.03,  17.05) 12/28/2021   22:43:03  ( -69.00,  17.03)    2.97                32
 12/31/2021   13:19:12   ( -69.83, 157.05) 12/31/2021   13:20:21  ( -69.76, 158.63)   61.22                69
 12/31/2021   14:09:44   (  69.07, -34.55) 12/31/2021   14:09:58  (  69.09, -34.60)    2.94                14
 12/31/2021   15:00:26   ( -68.99, 132.88) 12/31/2021   14:59:28  ( -68.98, 132.89)    1.12                58
 01/03/2022   05:35:50   ( -69.16, -86.20) 01/03/2022   05:36:55  ( -69.18, -86.26)    2.58                65
 01/03/2022   06:26:34   (  69.04,  81.27) 01/03/2022   06:26:22  (  69.06,  81.24)    1.88                12
 01/03/2022   07:17:09   ( -68.59,-110.80) 01/03/2022   07:15:57  ( -68.67,-111.61)   34.42                72
 01/05/2022   21:52:41   ( -69.14,  29.62) 01/05/2022   21:53:20  ( -69.13,  29.57)    1.76                39
 01/05/2022   22:43:25   (  69.02,-162.92) 01/05/2022   22:42:47  (  69.01,-162.94)    1.40                38
 01/08/2022   13:18:58   (  69.63, -22.63) 01/08/2022   13:20:09  (  69.51, -21.68)   39.17                71
 01/08/2022   14:09:32   ( -69.11, 145.43) 01/08/2022   14:09:44  ( -69.13, 145.46)    2.39                12
 01/08/2022   15:00:16   (  69.00, -47.11) 01/08/2022   14:59:11  (  69.01, -47.06)    2.24                65