Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 9 24.  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)
 09/26/2021   15:00:25   ( -69.17, 132.52) 09/26/2021   15:01:37  ( -69.08, 133.05)   23.44                72
 09/26/2021   15:51:04   (  68.79, -59.65) 09/26/2021   15:51:07  (  68.80, -59.66)    1.47                 3
 09/26/2021   16:41:46   ( -68.70, 107.79) 09/26/2021   16:40:37  ( -68.70, 107.84)    2.01                69
 09/29/2021   07:17:14   ( -68.85,-111.27) 09/29/2021   07:18:06  ( -68.87,-111.34)    3.60                52
 09/29/2021   08:07:58   (  68.74,  56.19) 09/29/2021   08:07:33  (  68.75,  56.16)    2.21                25
 09/29/2021   08:58:25   ( -67.84,-135.33) 09/29/2021   08:57:17  ( -67.87,-137.26)   81.15                68
 10/01/2021   22:43:43   (  69.75,-164.09) 10/01/2021   22:44:50  (  69.64,-162.09)   78.24                67
 10/01/2021   23:34:10   ( -68.85,   4.50) 10/01/2021   23:34:32  ( -68.88,   4.54)    3.22                22
 10/02/2021   00:24:53   (  68.69, 172.03) 10/02/2021   00:24:00  (  68.70, 171.97)    2.70                53
 10/04/2021   15:00:23   (  68.90, -47.12) 10/04/2021   15:01:29  (  68.92, -47.16)    2.19                66
 10/04/2021   15:51:05   ( -68.80, 120.34) 10/04/2021   15:50:59  ( -68.82, 120.35)    1.99                 6
 10/04/2021   16:41:43   (  68.37, -71.78) 10/04/2021   16:40:31  (  68.42, -72.50)   29.67                72
 10/07/2021   07:17:19   (  68.91,  68.64) 10/07/2021   07:17:55  (  68.91,  68.71)    2.69                36
 10/07/2021   08:08:00   ( -68.75,-123.82) 10/07/2021   08:07:26  ( -68.75,-123.85)    1.05                34