Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 6 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 06/21/2021   02:23:19   (   0.04, -75.17) (   0.37, -73.60)  178.40                80
 06/22/2021   14:44:52   (  -0.03, -75.18) (   0.65, -78.17)  340.67                80
 06/23/2021   14:21:33   (  -0.04, -75.17) (  -0.50, -73.18)  226.81                80
 06/25/2021   02:43:13   (   0.04, -75.12) (  -0.57, -77.76)  301.66                80
 06/26/2021   02:19:55   (   0.05, -75.11) (   0.57, -72.78)  265.93                80
 06/27/2021   14:41:27   (  -0.04, -75.12) (   0.45, -77.34)  252.43                80
 06/28/2021   14:18:09   (  -0.06, -75.12) (  -0.69, -72.35)  315.85                80
 06/30/2021   02:39:49   (   0.05, -75.09) (  -0.36, -76.94)  210.74                80
 07/01/2021   02:16:31   (   0.06, -75.09) (   0.78, -71.95)  358.04                80
 07/02/2021   14:38:03   (  -0.05, -75.11) (   0.24, -76.51)  158.65                80
 07/03/2021   14:14:44   (  -0.06, -75.12) (  -0.84, -71.51)  410.67                80