Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 9 14.  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)
 09/14/2021   15:21:55   (  81.25,  -5.83) 09/14/2021   15:22:05  (  81.25,  -5.90)    1.27                10
 09/14/2021   16:12:34   ( -81.27, 162.14) 09/14/2021   16:11:31  ( -81.26, 162.01)    2.15                63
 09/17/2021   10:05:39   ( -81.22,-108.12) 09/17/2021   10:06:53  ( -81.19,-108.07)    3.83                74
 09/17/2021   10:56:16   (  81.26,  60.67) 09/17/2021   10:56:16  (  81.26,  60.76)    1.56                 0
 09/17/2021   11:46:56   ( -81.26,-131.69) 09/17/2021   11:45:43  ( -81.26,-131.67)    0.63                73
 09/20/2021   05:39:59   ( -81.24, -40.81) 09/20/2021   05:41:03  ( -81.25, -40.68)    2.30                64
 09/20/2021   06:30:38   (  81.26, 127.17) 09/20/2021   06:30:29  (  81.25, 127.01)    2.85                 9
 09/23/2021   01:14:21   ( -81.25,  25.71) 09/23/2021   01:15:16  ( -81.24,  25.56)    2.80                55
 09/23/2021   02:05:00   (  81.26,-166.35) 09/23/2021   02:04:41  (  81.26,-166.41)    0.94                19
 09/25/2021   20:48:42   ( -81.25,  92.23) 09/25/2021   20:49:27  ( -81.24,  92.14)    1.54                45