Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 10 23.  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)
 10/25/2021   22:43:47   ( -68.95,  17.01) 10/25/2021   22:44:30  ( -68.96,  17.02)    1.97                43
 10/25/2021   23:34:31   (  68.82,-175.52) 10/25/2021   23:33:57  (  68.85,-175.48)    3.41                34
 10/28/2021   14:10:10   (  69.35, -35.12) 10/28/2021   14:11:21  (  69.28, -34.32)   32.16                71
 10/28/2021   15:00:45   ( -68.88, 132.85) 10/28/2021   15:00:56  ( -68.89, 132.82)    1.90                11
 10/28/2021   15:51:29   (  68.76, -59.68) 10/28/2021   15:50:23  (  68.78, -59.68)    1.67                66
 10/31/2021   06:27:02   (  68.97,  81.17) 10/31/2021   06:27:51  (  68.98,  81.17)    0.64                49
 10/31/2021   07:17:44   ( -68.88,-111.38) 10/31/2021   07:17:21  ( -68.87,-111.33)    2.20                23
 10/31/2021   08:08:11   (  67.85,  57.27) 10/31/2021   08:07:04  (  67.86,  55.10)   90.88                67
 11/02/2021   21:53:30   ( -69.78,  28.47) 11/02/2021   21:54:38  ( -69.68,  30.33)   72.32                68
 11/02/2021   22:44:00   (  68.92,-162.99) 11/02/2021   22:44:16  (  68.95,-162.98)    3.34                16
 11/02/2021   23:34:42   ( -68.82,   4.46) 11/02/2021   23:33:47  ( -68.79,   4.45)    3.54                55
 11/05/2021   14:10:13   ( -68.98, 145.37) 11/05/2021   14:11:14  ( -68.98, 145.30)    2.87                61
 11/05/2021   15:00:57   (  68.87, -47.16) 11/05/2021   15:00:41  (  68.86, -47.21)    2.31                16
 11/05/2021   15:51:29   ( -68.24, 120.99) 11/05/2021   15:50:19  ( -68.31, 119.75)   51.53                70