Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 12 4.  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)
 12/04/2021   21:53:21   ( -69.12,  29.53) 12/04/2021   21:54:12  ( -69.11,  29.54)    0.92                51
 12/04/2021   22:44:05   (  68.99,-162.99) 12/04/2021   22:43:39  (  69.01,-162.95)    2.47                26
 12/04/2021   23:34:31   ( -68.06,   5.55) 12/04/2021   23:33:23  ( -68.11,   3.59)   81.74                68
 12/07/2021   13:19:47   (  70.03, -23.34) 12/07/2021   13:20:54  (  69.94, -21.11)   85.41                67
 12/07/2021   14:10:11   ( -69.05, 145.40) 12/07/2021   14:10:37  ( -69.05, 145.33)    2.63                26
 12/07/2021   15:00:55   (  68.93, -47.12) 12/07/2021   15:00:04  (  68.94, -47.16)    2.08                51
 12/10/2021   05:36:21   (  69.12,  93.76) 12/10/2021   05:37:32  (  69.14,  93.70)    3.14                71
 12/10/2021   06:27:03   ( -69.04, -98.81) 12/10/2021   06:27:02  ( -69.03, -98.81)    1.75                 1
 12/10/2021   07:17:44   (  68.76,  68.89) 12/10/2021   07:16:31  (  68.80,  68.55)   14.39                73
 12/12/2021   21:53:13   (  69.12,-150.45) 12/12/2021   21:53:57  (  69.11,-150.46)    1.23                44
 12/12/2021   22:43:54   ( -68.98,  17.06) 12/12/2021   22:43:27  ( -69.00,  17.04)    1.98                27
 12/15/2021   13:19:35   ( -69.97, 156.78) 12/15/2021   13:20:43  ( -69.85, 158.76)   77.07                68
 12/15/2021   14:10:04   (  69.06, -34.59) 12/15/2021   14:10:22  (  69.07, -34.63)    1.39                18
 12/15/2021   15:00:46   ( -68.98, 132.84) 12/15/2021   14:59:52  ( -68.96, 132.87)    2.21                54