Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 01/01/2022   16:24:30   (  -0.12,-128.17) (  -0.38,-126.99)  135.07                80
 01/02/2022   04:43:55   (   0.11,-128.18) (  -0.49,-131.02)  323.47                80
 01/04/2022   16:26:20   (  -0.11,-128.23) (  -0.33,-127.29)  107.12                80
 01/05/2022   04:45:55   (   0.10,-128.23) (  -0.58,-131.36)  356.76                80
 01/07/2022   16:28:08   (  -0.09,-128.28) (  -0.24,-127.59)   79.18                80
 01/08/2022   04:47:55   (   0.09,-128.29) (  -0.67,-131.70)  389.59                80
 01/10/2022   04:14:19   (   0.09,-128.32) (   1.00,-124.12)  477.54                80
 01/10/2022   16:29:57   (  -0.09,-128.34) (  -0.15,-127.88)   51.13                80
 01/11/2022   04:49:54   (   0.08,-128.34) (  -0.76,-132.04)  422.40                80
 01/13/2022   04:16:17   (   0.08,-128.36) (   0.92,-124.46)  444.42                80
 01/13/2022   16:31:46   (  -0.08,-128.38) (  -0.13,-128.19)   21.82                80