Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 11 13.  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)
 11/13/2021   14:10:25   (  68.99, -34.68) 11/13/2021   14:11:10  (  69.02, -34.69)    3.37                45
 11/13/2021   15:01:07   ( -68.91, 132.75) 11/13/2021   15:00:40  ( -68.91, 132.80)    1.94                27
 11/16/2021   05:36:51   ( -69.72, -87.26) 11/16/2021   05:38:00  ( -69.62, -85.67)   62.64                69
 11/16/2021   06:27:23   (  68.96,  81.13) 11/16/2021   06:27:37  (  68.96,  81.11)    1.01                14
 11/16/2021   07:18:04   ( -68.82,-111.36) 11/16/2021   07:17:07  ( -68.84,-111.40)    2.99                57
 11/18/2021   21:53:37   ( -69.05,  29.46) 11/18/2021   21:54:36  ( -69.06,  29.47)    0.46                59
 11/18/2021   22:44:21   (  68.93,-163.06) 11/18/2021   22:44:03  (  68.94,-163.03)    2.22                18
 11/18/2021   23:34:52   ( -68.25,   5.15) 11/18/2021   23:33:42  ( -68.33,   3.85)   54.05                70
 11/21/2021   13:20:11   (  70.07, -23.58) 11/21/2021   13:21:17  (  69.98, -21.06)   96.23                66
 11/21/2021   14:10:35   ( -69.03, 145.26) 11/21/2021   14:11:02  ( -69.04, 145.32)    2.97                27
 11/21/2021   15:01:18   (  68.85, -47.19) 11/21/2021   15:00:30  (  68.87, -47.25)    3.43                48
 11/24/2021   05:36:50   (  69.09,  93.62) 11/24/2021   05:37:58  (  69.07,  93.60)    2.62                68
 11/24/2021   06:27:31   ( -68.95, -98.87) 11/24/2021   06:27:28  ( -68.96, -98.90)    1.89                 3
 11/24/2021   07:18:11   (  68.61,  68.90) 11/24/2021   07:16:59  (  68.62,  68.32)   23.26                72
 11/26/2021   21:53:47   (  69.01,-150.52) 11/26/2021   21:54:24  (  69.03,-150.56)    2.67                37
 11/26/2021   22:44:29   ( -68.92,  16.93) 11/26/2021   22:43:54  ( -68.93,  16.95)    1.18                35