Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 10 5.  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)
 10/07/2021   07:17:18   (  68.87,  68.71) 10/07/2021   07:17:55  (  68.90,  68.69)    3.36                37
 10/07/2021   08:08:00   ( -68.77,-123.85) 10/07/2021   08:07:25  ( -68.79,-123.81)    2.10                35
 10/09/2021   22:43:38   ( -69.42,  16.41) 10/09/2021   22:44:48  ( -69.32,  17.47)   43.14                70
 10/09/2021   23:34:13   (  68.82,-175.46) 10/09/2021   23:34:22  (  68.82,-175.53)    2.76                 9
 10/10/2021   00:24:55   ( -68.73,  -8.02) 10/10/2021   00:23:52  ( -68.71,  -8.03)    2.02                63
 10/12/2021   15:00:24   ( -68.95, 132.83) 10/12/2021   15:01:19  ( -68.96, 132.89)    2.67                55
 10/12/2021   15:51:07   (  68.79, -59.64) 10/12/2021   15:50:47  (  68.78, -59.68)    1.91                20
 10/12/2021   16:41:37   ( -68.04, 108.65) 10/12/2021   16:40:28  ( -68.07, 107.09)   64.97                69
 10/15/2021   06:26:54   (  69.92,  79.90) 10/15/2021   06:28:00  (  69.86,  82.33)   93.02                66
 10/15/2021   07:17:19   ( -68.91,-111.34) 10/15/2021   07:17:45  ( -68.93,-111.27)    3.25                26
 10/15/2021   08:08:02   (  68.75,  56.19) 10/15/2021   08:07:13  (  68.75,  56.15)    1.49                49
 10/17/2021   22:43:32   (  68.98,-162.98) 10/17/2021   22:44:41  (  68.98,-162.95)    0.98                69
 10/17/2021   23:34:13   ( -68.82,   4.56) 10/17/2021   23:34:12  ( -68.83,   4.49)    2.94                 1
 10/18/2021   00:24:54   (  68.55, 172.22) 10/18/2021   00:23:41  (  68.59, 171.84)   16.05                73