Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 27.  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)
 12/29/2021   16:22:40   (  -0.13,-128.11) (  -0.43,-126.68)  162.27                80
 12/30/2021   04:41:53   (   0.13,-128.11) (  -0.45,-130.66)  290.91                80
 01/01/2022   16:24:29   (  -0.12,-128.17) (  -0.36,-126.98)  135.04                80
 01/02/2022   04:43:54   (   0.12,-128.17) (  -0.51,-131.01)  323.81                80
 01/04/2022   16:26:19   (  -0.11,-128.22) (  -0.34,-127.29)  106.99                80
 01/05/2022   04:45:55   (   0.10,-128.22) (  -0.57,-131.36)  357.17                80
 01/07/2022   16:28:07   (  -0.10,-128.28) (  -0.23,-127.58)   79.04                80
 01/08/2022   04:47:53   (   0.09,-128.27) (  -0.67,-131.70)  389.97                80
 01/10/2022   04:14:17   (   0.09,-128.31) (   1.04,-124.12)  477.23                80
 01/10/2022   16:29:55   (  -0.09,-128.33) (  -0.20,-127.88)   50.99                80