Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 11 18.  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)
 11/18/2021   21:53:37   ( -69.04,  29.47) 11/18/2021   21:54:36  ( -69.06,  29.47)    1.93                59
 11/18/2021   22:44:21   (  68.91,-163.04) 11/18/2021   22:44:04  (  68.90,-163.09)    2.18                17
 11/18/2021   23:34:52   ( -68.24,   5.16) 11/18/2021   23:33:42  ( -68.34,   3.86)   54.64                70
 11/21/2021   13:20:10   (  70.05, -23.55) 11/21/2021   13:21:16  (  69.98, -21.05)   95.42                66
 11/21/2021   14:10:34   ( -69.01, 145.28) 11/21/2021   14:11:02  ( -68.99, 145.26)    3.12                28
 11/21/2021   15:01:18   (  68.88, -47.24) 11/21/2021   15:00:29  (  68.88, -47.24)    0.53                49
 11/24/2021   05:36:50   (  69.07,  93.65) 11/24/2021   05:37:58  (  69.07,  93.61)    1.51                68
 11/24/2021   06:27:32   ( -68.98, -98.92) 11/24/2021   06:27:28  ( -68.96, -98.90)    3.02                 4
 11/24/2021   07:18:11   (  68.59,  68.92) 11/24/2021   07:16:59  (  68.62,  68.33)   24.52                72
 11/26/2021   21:53:48   (  69.04,-150.56) 11/26/2021   21:54:24  (  69.03,-150.56)    1.37                36
 11/26/2021   22:44:29   ( -68.90,  16.95) 11/26/2021   22:43:54  ( -68.92,  16.94)    2.16                35
 11/29/2021   13:20:08   ( -69.46, 157.30) 11/29/2021   13:21:19  ( -69.33, 158.06)   33.25                71
 11/29/2021   14:10:45   (  68.97, -34.69) 11/29/2021   14:10:50  (  68.99, -34.74)    2.71                 5
 11/29/2021   15:01:27   ( -68.88, 132.75) 11/29/2021   15:00:20  ( -68.88, 132.76)    0.68                67