Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2021 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2021   13:07:41   (   0.04, -75.21) (   0.44, -77.14)  218.96                80
 09/19/2021   12:44:21   (   0.03, -75.21) (  -0.65, -72.16)  347.94                80
 09/21/2021   01:06:00   (  -0.04, -75.19) (  -0.38, -76.79)  181.51                80
 09/22/2021   00:42:40   (  -0.03, -75.20) (   0.72, -71.81)  385.90                80
 09/23/2021   13:04:10   (   0.05, -75.23) (   0.31, -76.41)  134.59                80
 09/24/2021   12:40:49   (   0.04, -75.24) (  -0.79, -71.43)  433.20                80
 09/26/2021   01:02:29   (  -0.05, -75.23) (  -0.23, -76.07)   95.05                80
 09/27/2021   00:39:08   (  -0.05, -75.24) (   0.86, -71.09)  472.90                80
 09/28/2021   13:00:39   (   0.07, -75.27) (   0.17, -75.68)   47.00                80
 10/01/2021   00:58:57   (  -0.07, -75.28) (  -0.08, -75.34)    6.39                80