Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 5 31.  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)
 05/31/2021   18:13:16   (  -0.07,-128.45) (   0.43,-130.66)  251.99                80
 06/01/2021   17:55:16   (  -0.07,-128.46) (  -0.69,-125.67)  318.48                80
 06/03/2021   06:14:18   (   0.07,-128.45) (  -0.30,-130.27)  207.63                80
 06/04/2021   05:50:57   (   0.07,-128.45) (   0.76,-125.27)  362.10                80
 06/05/2021   18:09:48   (  -0.08,-128.49) (   0.21,-129.84)  153.05                80
 06/06/2021   17:51:49   (  -0.07,-128.50) (  -0.91,-124.85)  417.19                80
 06/08/2021   06:10:49   (   0.08,-128.49) (  -0.13,-129.44)  108.80                80
 06/09/2021   05:47:30   (   0.08,-128.48) (   0.99,-124.45)  460.20                80
 06/10/2021   18:06:20   (  -0.08,-128.51) (   0.05,-129.00)   57.00                80
 06/13/2021   06:07:21   (   0.09,-128.49) (   0.05,-128.61)   14.19                80