Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 11 15.  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)
 11/16/2021   05:36:51   ( -69.70, -87.24) 11/16/2021   05:38:00  ( -69.64, -85.65)   61.89                69
 11/16/2021   06:27:24   (  68.99,  81.09) 11/16/2021   06:27:37  (  68.98,  81.14)    2.16                13
 11/16/2021   07:18:05   ( -68.86,-111.41) 11/16/2021   07:17:07  ( -68.86,-111.38)    1.57                58
 11/18/2021   21:53:36   ( -69.03,  29.48) 11/18/2021   21:54:36  ( -69.02,  29.42)    3.21                60
 11/18/2021   22:44:20   (  68.90,-163.03) 11/18/2021   22:44:03  (  68.91,-163.08)    1.94                17
 11/18/2021   23:34:52   ( -68.29,   5.11) 11/18/2021   23:33:41  ( -68.35,   3.87)   51.18                71
 11/21/2021   13:20:11   (  70.09, -23.62) 11/21/2021   13:21:16  (  69.99, -21.03)   98.76                65
 11/21/2021   14:10:34   ( -69.00, 145.29) 11/21/2021   14:11:02  ( -69.00, 145.27)    0.83                28
 11/21/2021   15:01:18   (  68.87, -47.23) 11/21/2021   15:00:29  (  68.88, -47.23)    1.34                49
 11/24/2021   05:36:50   (  69.06,  93.66) 11/24/2021   05:37:58  (  69.08,  93.62)    2.76                68
 11/24/2021   06:27:32   ( -68.97, -98.91) 11/24/2021   06:27:28  ( -68.97, -98.88)    1.01                 4
 11/24/2021   07:18:11   (  68.58,  68.94) 11/24/2021   07:16:59  (  68.63,  68.34)   24.87                72
 11/26/2021   21:53:48   (  69.03,-150.54) 11/26/2021   21:54:24  (  69.05,-150.54)    1.35                36
 11/26/2021   22:44:30   ( -68.95,  16.90) 11/26/2021   22:43:54  ( -68.94,  16.96)    2.60                36