Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2021 3 15.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/15/2021   05:24:50   (  81.33, 146.12) 03/15/2021   05:25:24  (  81.35, 145.96)    2.95                34
 03/15/2021   06:15:30   ( -81.33, -46.40) 03/15/2021   06:14:51  ( -81.34, -46.51)    2.19                39
 03/18/2021   00:59:12   (  81.34,-147.65) 03/18/2021   00:59:37  (  81.35,-147.58)    1.62                25
 03/18/2021   01:49:52   ( -81.33,  19.85) 03/18/2021   01:49:04  ( -81.34,  19.98)    2.46                48
 03/20/2021   20:33:33   (  81.34, -81.44) 03/20/2021   20:33:50  (  81.33, -81.54)    2.49                17
 03/20/2021   21:24:13   ( -81.34,  86.08) 03/20/2021   21:23:17  ( -81.32,  86.04)    1.61                56
 03/23/2021   16:07:54   (  81.33, -14.86) 03/23/2021   16:08:02  (  81.34, -14.78)    1.66                 8
 03/23/2021   16:58:34   ( -81.33, 152.68) 03/23/2021   16:57:29  ( -81.34, 152.82)    2.86                65
 03/26/2021   10:51:35   ( -81.34,-116.00) 03/26/2021   10:52:49  ( -81.34,-116.11)    1.83                74
 03/26/2021   11:42:15   (  81.33,  51.69) 03/26/2021   11:42:15  (  81.34,  51.55)    2.64                 0