Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 11 16.  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)
 11/16/2021   05:36:52   ( -69.75, -87.31) 11/16/2021   05:38:00  ( -69.64, -85.64)   65.50                68
 11/16/2021   06:27:24   (  68.98,  81.10) 11/16/2021   06:27:37  (  68.99,  81.14)    1.88                13
 11/16/2021   07:18:05   ( -68.85,-111.40) 11/16/2021   07:17:07  ( -68.87,-111.37)    2.52                58
 11/18/2021   21:53:36   ( -69.03,  29.49) 11/18/2021   21:54:36  ( -69.02,  29.42)    2.69                60
 11/18/2021   22:44:20   (  68.90,-163.02) 11/18/2021   22:44:03  (  68.91,-163.07)    2.66                17
 11/18/2021   23:34:52   ( -68.28,   5.11) 11/18/2021   23:33:42  ( -68.30,   3.81)   53.50                70
 11/21/2021   13:20:11   (  70.09, -23.61) 11/21/2021   13:21:16  (  70.00, -21.02)   98.67                65
 11/21/2021   14:10:34   ( -69.00, 145.30) 11/21/2021   14:11:02  ( -69.00, 145.28)    0.92                28
 11/21/2021   15:01:18   (  68.87, -47.22) 11/21/2021   15:00:29  (  68.89, -47.22)    2.63                49
 11/24/2021   05:36:51   (  69.11,  93.59) 11/24/2021   05:37:58  (  69.09,  93.63)    2.96                67
 11/24/2021   06:27:32   ( -68.97, -98.90) 11/24/2021   06:27:28  ( -68.98, -98.87)    1.41                 4
 11/24/2021   07:18:11   (  68.57,  68.94) 11/24/2021   07:16:59  (  68.64,  68.35)   25.09                72
 11/26/2021   21:53:48   (  69.03,-150.54) 11/26/2021   21:54:24  (  69.05,-150.53)    2.20                36
 11/26/2021   22:44:30   ( -68.94,  16.90) 11/26/2021   22:43:54  ( -68.95,  16.96)    2.68                36
 11/29/2021   13:20:07   ( -69.45, 157.32) 11/29/2021   13:21:18  ( -69.35, 158.09)   31.97                71
 11/29/2021   14:10:45   (  69.01, -34.75) 11/29/2021   14:10:49  (  69.01, -34.71)    1.60                 4
 11/29/2021   15:01:26   ( -68.87, 132.77) 11/29/2021   15:00:20  ( -68.85, 132.73)    2.47                66