Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 10 1.  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)
 10/01/2021   22:43:42   (  69.71,-164.03) 10/01/2021   22:44:50  (  69.63,-162.11)   74.78                68
 10/01/2021   23:34:10   ( -68.87,   4.48) 10/01/2021   23:34:32  ( -68.85,   4.52)    2.43                22
 10/02/2021   00:24:53   (  68.70, 172.01) 10/02/2021   00:24:00  (  68.69, 171.95)    2.90                53
 10/04/2021   15:00:23   (  68.92, -47.13) 10/04/2021   15:01:29  (  68.90, -47.18)    2.67                66
 10/04/2021   15:51:05   ( -68.82, 120.31) 10/04/2021   15:50:59  ( -68.79, 120.32)    3.29                 6
 10/04/2021   16:41:42   (  68.33, -71.73) 10/04/2021   16:40:31  (  68.40, -72.52)   33.19                71
 10/07/2021   07:17:18   (  68.88,  68.69) 10/07/2021   07:17:55  (  68.88,  68.68)    1.03                37
 10/07/2021   08:08:00   ( -68.78,-123.86) 10/07/2021   08:07:25  ( -68.78,-123.82)    1.56                35
 10/09/2021   22:43:38   ( -69.42,  16.39) 10/09/2021   22:44:48  ( -69.32,  17.47)   43.85                70
 10/09/2021   23:34:13   (  68.84,-175.48) 10/09/2021   23:34:21  (  68.86,-175.47)    2.57                 8
 10/10/2021   00:24:55   ( -68.74,  -8.03) 10/10/2021   00:23:52  ( -68.71,  -8.03)    3.62                63
 10/12/2021   15:00:24   ( -68.96, 132.81) 10/12/2021   15:01:19  ( -68.96, 132.89)    2.98                55
 10/12/2021   15:51:07   (  68.80, -59.66) 10/12/2021   15:50:46  (  68.83, -59.62)    3.37                21
 10/12/2021   16:41:37   ( -68.06, 108.63) 10/12/2021   16:40:27  ( -68.12, 107.15)   61.93                70