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   (  68.90,  68.66) 10/07/2021   07:17:54  (  68.92,  68.72)    3.15                36
 10/07/2021   08:07:59   ( -68.75,-123.82) 10/07/2021   08:07:25  ( -68.75,-123.85)    1.35                34
 10/09/2021   22:43:37   ( -69.40,  16.43) 10/09/2021   22:44:48  ( -69.29,  17.43)   40.98                71
 10/09/2021   23:34:13   (  68.86,-175.51) 10/09/2021   23:34:21  (  68.84,-175.50)    2.11                 8
 10/10/2021   00:24:54   ( -68.71,  -7.99) 10/10/2021   00:23:51  ( -68.73,  -8.00)    2.65                63
 10/12/2021   15:00:24   ( -68.93, 132.86) 10/12/2021   15:01:20  ( -68.93, 132.85)    0.31                56
 10/12/2021   15:51:08   (  68.82, -59.69) 10/12/2021   15:50:47  (  68.81, -59.65)    1.78                21
 10/12/2021   16:41:37   ( -68.03, 108.67) 10/12/2021   16:40:28  ( -68.10, 107.11)   65.03                69
 10/15/2021   06:26:55   (  69.95,  79.84) 10/15/2021   06:28:01  (  69.83,  82.29)   94.48                66
 10/15/2021   07:17:19   ( -68.90,-111.32) 10/15/2021   07:17:46  ( -68.90,-111.31)    0.47                27
 10/15/2021   08:08:03   (  68.79,  56.13) 10/15/2021   08:07:13  (  68.77,  56.18)    2.46                50
 10/17/2021   22:43:31   (  68.96,-162.96) 10/17/2021   22:44:41  (  68.95,-162.99)    1.60                70
 10/17/2021   23:34:13   ( -68.86,   4.50) 10/17/2021   23:34:11  ( -68.86,   4.52)    1.10                 2
 10/18/2021   00:24:53   (  68.54, 172.24) 10/18/2021   00:23:40  (  68.62, 171.87)   17.08                73