Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 7 19.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/20/2021   09:35:47   (  81.25,  80.76) 07/20/2021   09:36:55  (  81.24,  80.58)    3.31                68
 07/20/2021   10:26:27   ( -81.26,-111.55) 07/20/2021   10:26:21  ( -81.26,-111.50)    0.76                 6
 07/23/2021   05:10:10   (  81.25, 147.23) 07/23/2021   05:11:06  (  81.25, 147.24)    0.11                56
 07/23/2021   06:00:49   ( -81.27, -44.69) 07/23/2021   06:00:32  ( -81.27, -44.82)    2.28                17
 07/26/2021   00:44:33   (  81.25,-146.31) 07/26/2021   00:45:17  (  81.26,-146.13)    3.18                44
 07/26/2021   01:35:13   ( -81.26,  21.38) 07/26/2021   01:34:44  ( -81.26,  21.46)    1.27                29
 07/28/2021   20:18:55   (  81.25, -79.86) 07/28/2021   20:19:28  (  81.25, -79.91)    0.88                33
 07/28/2021   21:09:34   ( -81.27,  88.22) 07/28/2021   21:08:54  ( -81.27,  88.08)    2.35                40
 07/31/2021   15:53:18   (  81.25, -13.43) 07/31/2021   15:53:39  (  81.26, -13.34)    1.53                21