Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/25/2021   18:11:52   (  -0.10,-128.00) (   0.26,-129.76)  200.00                80
 12/26/2021   17:48:33   (  -0.11,-128.03) (  -0.83,-124.76)  372.03                80
 12/28/2021   06:10:14   (   0.10,-128.06) (  -0.17,-129.36)  147.97                80
 12/29/2021   05:46:55   (   0.11,-128.08) (   0.91,-124.36)  423.46                80
 12/30/2021   18:08:27   (  -0.09,-128.13) (   0.09,-128.93)   91.34                80
 12/31/2021   17:45:09   (  -0.10,-128.14) (  -1.06,-123.94)  479.68                80
 01/02/2022   06:06:49   (   0.09,-128.16) (  -0.01,-128.53)   41.93                80
 01/04/2022   18:02:22   (  -0.08,-128.21) (  -0.09,-128.09)   12.95                80
 01/07/2022   06:00:43   (   0.07,-128.24) (   0.16,-127.69)   61.91                80