Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 10 22.  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)
 10/23/2021   06:26:52   ( -69.15, -99.04) 10/23/2021   06:28:03  ( -69.10, -98.69)   15.18                71
 10/23/2021   07:17:33   (  68.87,  68.66) 10/23/2021   07:17:32  (  68.88,  68.67)    0.81                 1
 10/23/2021   08:08:15   ( -68.78,-123.90) 10/23/2021   08:07:02  ( -68.77,-123.83)    3.33                73
 10/25/2021   22:43:47   ( -68.93,  17.03) 10/25/2021   22:44:31  ( -68.93,  16.97)    2.44                44
 10/25/2021   23:34:31   (  68.81,-175.50) 10/25/2021   23:33:58  (  68.81,-175.53)    1.19                33
 10/28/2021   14:10:11   (  69.39, -35.17) 10/28/2021   14:11:22  (  69.24, -34.38)   35.29                71
 10/28/2021   15:00:46   ( -68.92, 132.81) 10/28/2021   15:00:56  ( -68.91, 132.84)    1.52                10
 10/28/2021   15:51:30   (  68.80, -59.73) 10/28/2021   15:50:23  (  68.79, -59.67)    2.61                67
 10/31/2021   06:27:03   (  69.01,  81.12) 10/31/2021   06:27:51  (  68.99,  81.19)    3.26                48
 10/31/2021   07:17:44   ( -68.86,-111.35) 10/31/2021   07:17:22  ( -68.83,-111.38)    2.92                22
 10/31/2021   08:08:11   (  67.83,  57.29) 10/31/2021   08:07:04  (  67.87,  55.12)   91.35                67
 11/02/2021   21:53:29   ( -69.75,  28.51) 11/02/2021   21:54:37  ( -69.69,  30.35)   71.22                68
 11/02/2021   22:43:59   (  68.90,-162.96) 11/02/2021   22:44:16  (  68.90,-163.03)    2.89                17
 11/02/2021   23:34:41   ( -68.80,   4.49) 11/02/2021   23:33:46  ( -68.80,   4.47)    0.77                55