Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 9 15.  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)
 09/17/2021   10:05:40   ( -81.22,-108.23) 09/17/2021   10:06:54  ( -81.18,-108.17)    4.28                74
 09/17/2021   10:56:17   (  81.25,  60.57) 09/17/2021   10:56:17  (  81.25,  60.66)    1.52                 0
 09/17/2021   11:46:56   ( -81.27,-131.42) 09/17/2021   11:45:43  ( -81.27,-131.41)    0.63                73
 09/20/2021   05:39:59   ( -81.24, -40.92) 09/20/2021   05:41:03  ( -81.24, -40.78)    2.36                64
 09/20/2021   06:30:38   (  81.25, 127.06) 09/20/2021   06:30:29  (  81.24, 126.91)    2.88                 9
 09/23/2021   01:14:20   ( -81.25,  25.99) 09/23/2021   01:15:15  ( -81.25,  25.83)    2.62                55
 09/23/2021   02:05:00   (  81.26,-166.46) 09/23/2021   02:04:41  (  81.25,-166.50)    0.82                19
 09/25/2021   20:48:43   ( -81.25,  92.12) 09/25/2021   20:49:28  ( -81.24,  92.05)    1.43                45
 09/25/2021   21:39:22   (  81.26, -99.99) 09/25/2021   21:38:53  (  81.26, -99.94)    0.84                29
 09/28/2021   16:23:04   ( -81.25, 158.61) 09/28/2021   16:23:39  ( -81.24, 158.59)    0.45                35