Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 1 3.  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   05:50:10   (   0.00,-137.20) (  -0.88,-141.27)  463.56                80
 01/05/2021   05:26:50   (   0.00,-137.19) (   0.22,-136.30)  102.80                80
 01/06/2021   17:48:22   (  -0.00,-137.19) (   0.82,-140.89)  421.22                80
 01/07/2021   17:25:02   (  -0.01,-137.18) (  -0.27,-135.91)  144.56                80
 01/09/2021   05:46:43   (   0.02,-137.15) (  -0.72,-140.55)  387.12                80
 01/10/2021   05:26:04   (   0.02,-137.14) (   0.38,-135.58)  178.36                80
 01/11/2021   17:42:15   (  -0.01,-137.12) (   0.66,-140.17)  347.00                80
 01/12/2021   17:24:16   (  -0.00,-137.10) (  -0.44,-135.19)  218.13                80
 01/14/2021   05:40:36   (   0.00,-137.06) (  -0.61,-139.82)  314.32                80
 01/15/2021   05:22:37   (  -0.00,-137.04) (   0.49,-134.84)  250.64                80
 01/16/2021   17:38:48   (   0.00,-137.02) (   0.56,-139.44)  275.42                80