Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 11 19.  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)
 11/21/2021   14:10:29   ( -69.07, 145.34) 11/21/2021   14:11:01  ( -69.07, 145.36)    1.02                32
 11/21/2021   15:01:13   (  68.95, -47.18) 11/21/2021   15:00:28  (  68.96, -47.13)    2.51                45
 11/24/2021   05:36:44   (  69.39,  93.35) 11/24/2021   05:37:54  (  69.32,  93.93)   24.05                70
 11/24/2021   06:27:21   ( -69.04, -98.84) 11/24/2021   06:27:27  ( -69.04, -98.79)    1.93                 6
 11/24/2021   07:18:04   (  68.86,  68.71) 11/24/2021   07:16:55  (  68.87,  68.64)    2.90                69
 11/26/2021   21:53:30   (  69.10,-150.46) 11/26/2021   21:54:22  (  69.12,-150.45)    2.27                52
 11/26/2021   22:44:12   ( -69.01,  16.97) 11/26/2021   22:43:52  ( -69.01,  17.04)    2.85                20
 11/26/2021   23:34:41   (  68.09,-174.50) 11/26/2021   23:33:33  (  68.11,-176.41)   79.15                68
 11/29/2021   14:10:22   (  69.07, -34.65) 11/29/2021   14:10:48  (  69.07, -34.63)    0.98                26
 11/29/2021   15:01:03   ( -68.93, 132.86) 11/29/2021   15:00:19  ( -68.91, 132.80)    3.33                44
 12/02/2021   05:36:33   ( -69.33, -86.54) 12/02/2021   05:37:45  ( -69.25, -86.16)   17.07                72
 12/02/2021   06:27:13   (  69.00,  81.23) 12/02/2021   06:27:14  (  69.02,  81.19)    3.09                 1
 12/02/2021   07:17:55   ( -68.91,-111.33) 12/02/2021   07:16:44  ( -68.92,-111.31)    1.44                71