Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 10 28.  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)
 10/28/2021   14:10:11   (  69.39, -35.18) 10/28/2021   14:11:22  (  69.28, -34.33)   35.67                71
 10/28/2021   15:00:45   ( -68.88, 132.86) 10/28/2021   15:00:57  ( -68.89, 132.80)    2.53                12
 10/28/2021   15:51:29   (  68.75, -59.66) 10/28/2021   15:50:24  (  68.78, -59.69)    2.97                65
 10/31/2021   06:27:02   (  68.96,  81.18) 10/31/2021   06:27:54  (  68.99,  81.17)    2.78                52
 10/31/2021   07:17:44   ( -68.87,-111.37) 10/31/2021   07:17:24  ( -68.88,-111.33)    1.77                20
 10/31/2021   08:08:13   (  67.94,  57.15) 10/31/2021   08:07:05  (  67.98,  55.23)   80.02                68
 11/02/2021   21:53:32   ( -69.93,  28.24) 11/02/2021   21:54:39  ( -69.86,  30.55)   88.73                67
 11/02/2021   22:43:59   (  68.91,-162.98) 11/02/2021   22:44:21  (  68.92,-163.05)    2.52                22
 11/02/2021   23:34:41   ( -68.82,   4.46) 11/02/2021   23:33:51  ( -68.81,   4.45)    1.31                50
 11/05/2021   14:10:14   ( -69.04, 145.30) 11/05/2021   14:11:21  ( -69.01, 145.30)    3.51                67
 11/05/2021   15:00:57   (  68.87, -47.16) 11/05/2021   15:00:48  (  68.89, -47.20)    3.20                 9
 11/05/2021   15:51:34   ( -68.50, 120.64) 11/05/2021   15:50:22  ( -68.56, 120.02)   25.92                72
 11/08/2021   06:27:12   ( -68.99, -98.88) 11/08/2021   06:27:48  ( -68.97, -98.87)    2.17                36
 11/08/2021   07:17:56   (  68.88,  68.59) 11/08/2021   07:17:15  (  68.85,  68.63)    2.85                41
 11/10/2021   21:53:31   (  69.21,-150.74) 11/10/2021   21:54:43  (  69.15,-150.40)   15.11                72
 11/10/2021   22:44:10   ( -68.95,  16.94) 11/10/2021   22:44:15  ( -68.94,  16.96)    2.30                 5
 11/10/2021   23:34:53   (  68.78,-175.53) 11/10/2021   23:33:42  (  68.81,-175.55)    3.36                71