Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 12 21.  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)
 12/22/2021   02:16:36   (   0.04, -75.17) (   0.76, -71.90)  372.08                80
 12/23/2021   14:38:07   (  -0.03, -75.19) (   0.25, -76.46)  145.28                80
 12/24/2021   14:14:48   (  -0.04, -75.19) (  -0.88, -71.47)  423.94                80
 12/26/2021   02:36:27   (   0.03, -75.17) (  -0.17, -76.06)  101.62                80
 12/27/2021   02:13:08   (   0.03, -75.17) (   0.96, -71.07)  467.82                80
 12/28/2021   14:34:39   (  -0.03, -75.20) (   0.04, -75.63)   48.70                80
 12/31/2021   02:30:19   (   0.03, -75.19) (   0.04, -75.23)    4.90                80
 01/02/2022   14:31:09   (  -0.03, -75.22) (  -0.13, -74.79)   49.34                80