Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 1 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 01/04/2021   05:50:09   (   0.00,-137.20) (  -0.91,-141.27)  463.32                80
 01/05/2021   05:26:50   (   0.00,-137.21) (   0.19,-136.29)  104.83                80
 01/06/2021   17:48:22   (  -0.00,-137.24) (   0.80,-140.90)  416.41                80
 01/07/2021   17:25:03   (   0.00,-137.24) (  -0.30,-135.92)  151.33                80
 01/09/2021   05:46:43   (  -0.00,-137.24) (  -0.75,-140.55)  377.36                80
 01/10/2021   05:23:23   (  -0.00,-137.24) (   0.35,-135.57)  189.84                80
 01/11/2021   17:44:56   (   0.00,-137.25) (   0.64,-140.18)  332.92                80
 01/12/2021   17:21:36   (   0.00,-137.25) (  -0.46,-135.20)  233.85                80
 01/14/2021   05:43:16   (  -0.00,-137.23) (  -0.58,-139.83)  295.96                80
 01/15/2021   05:19:57   (   0.00,-137.23) (   0.52,-134.85)  270.65                80
 01/16/2021   17:41:29   (   0.00,-137.23) (   0.47,-139.46)  252.65                80
 01/17/2021   17:18:10   (  -0.00,-137.23) (  -0.63,-134.48)  313.88                80