Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 29.  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)
 12/29/2021   05:46:55   (   0.11,-128.09) (   0.93,-124.37)  424.09                80
 12/30/2021   18:08:27   (  -0.09,-128.13) (   0.07,-128.93)   90.49                80
 12/31/2021   17:45:08   (  -0.10,-128.15) (  -1.02,-123.93)  480.73                80
 01/02/2022   06:06:49   (   0.09,-128.18) (   0.00,-128.53)   40.45                80
 01/04/2022   18:02:22   (  -0.08,-128.23) (  -0.11,-128.10)   14.86                80
 01/07/2022   06:00:44   (   0.07,-128.26) (   0.18,-127.70)   64.35                80
 01/08/2022   18:22:15   (  -0.05,-128.30) (   0.85,-132.25)  451.14                80
 01/09/2022   17:58:57   (  -0.06,-128.31) (  -0.31,-127.27)  119.70                80
 01/11/2022   06:20:38   (   0.05,-128.33) (  -0.72,-131.86)  402.06                80