Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 10 7.  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)
 10/09/2021   22:43:38   ( -69.42,  16.40) 10/09/2021   22:44:48  ( -69.32,  17.47)   43.53                70
 10/09/2021   23:34:13   (  68.83,-175.47) 10/09/2021   23:34:22  (  68.82,-175.53)    2.79                 9
 10/10/2021   00:24:55   ( -68.73,  -8.02) 10/10/2021   00:23:52  ( -68.71,  -8.03)    3.12                63
 10/12/2021   15:00:24   ( -68.96, 132.82) 10/12/2021   15:01:19  ( -68.96, 132.89)    2.63                55
 10/12/2021   15:51:07   (  68.79, -59.65) 10/12/2021   15:50:47  (  68.79, -59.69)    1.75                20
 10/12/2021   16:41:37   ( -68.05, 108.63) 10/12/2021   16:40:27  ( -68.12, 107.15)   62.27                70
 10/15/2021   06:26:54   (  69.93,  79.88) 10/15/2021   06:28:00  (  69.86,  82.33)   93.71                66
 10/15/2021   07:17:18   ( -68.87,-111.29) 10/15/2021   07:17:46  ( -68.87,-111.35)    2.39                28
 10/15/2021   08:08:02   (  68.76,  56.17) 10/15/2021   08:07:13  (  68.75,  56.15)    1.62                49
 10/17/2021   22:43:32   (  68.99,-163.00) 10/17/2021   22:44:41  (  68.98,-162.95)    2.27                69
 10/17/2021   23:34:13   ( -68.84,   4.53) 10/17/2021   23:34:12  ( -68.83,   4.48)    2.32                 1
 10/18/2021   00:24:53   (  68.52, 172.27) 10/18/2021   00:23:41  (  68.59, 171.84)   19.35                72
 10/20/2021   15:00:26   (  68.92, -47.12) 10/20/2021   15:01:07  (  68.93, -47.14)    1.85                41
 10/20/2021   15:51:08   ( -68.81, 120.34) 10/20/2021   15:50:37  ( -68.83, 120.37)    2.65                31