Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 1 15.  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)
 01/16/2021   04:58:41   (  -0.23,-128.03) (  -0.54,-129.40)  156.40                80
 01/17/2021   04:40:40   (  -0.25,-128.01) (   0.51,-124.41)  409.15                80
 01/18/2021   16:56:53   (   0.22,-127.98) (   0.48,-129.01)  119.10                80
 01/19/2021   16:38:53   (   0.25,-127.95) (  -0.62,-124.04)  445.97                80
 01/21/2021   04:55:14   (  -0.21,-127.91) (  -0.35,-128.68)   86.91                80
 01/22/2021   04:37:14   (  -0.23,-127.89) (   0.69,-123.69)  478.20                80
 01/23/2021   16:53:26   (   0.20,-127.85) (   0.30,-128.30)   50.66                80
 01/26/2021   04:51:47   (  -0.19,-127.77) (  -0.22,-127.95)   20.82                80
 01/28/2021   16:52:39   (   0.18,-127.69) (   0.17,-127.57)   13.85                80