Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 8 21.  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)
 08/23/2021   03:37:38   ( -81.25,  -9.82) 08/23/2021   03:37:55  ( -81.24,  -9.77)    1.04                17
 08/23/2021   04:28:17   (  81.27, 158.34) 08/23/2021   04:27:20  (  81.27, 158.35)    0.71                57
 08/25/2021   23:12:00   ( -81.25,  56.85) 08/25/2021   23:12:06  ( -81.26,  57.03)    3.26                 6
 08/26/2021   00:02:40   (  81.26,-135.40) 08/26/2021   00:01:32  (  81.27,-135.25)    2.62                68
 08/28/2021   17:55:42   (  81.25, -44.44) 08/28/2021   17:56:51  (  81.24, -44.54)    1.76                69
 08/28/2021   18:46:21   ( -81.26, 123.51) 08/28/2021   18:46:17  ( -81.26, 123.42)    1.46                 4
 08/31/2021   13:30:05   (  81.24,  21.78) 08/31/2021   13:31:03  (  81.24,  21.78)    0.72                58
 08/31/2021   14:20:44   ( -81.26,-170.24) 08/31/2021   14:20:29  ( -81.26,-170.22)    0.35                15
 09/03/2021   09:04:27   (  81.25,  88.36) 09/03/2021   09:05:14  (  81.25,  88.44)    1.44                47