Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 1 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 01/06/2021   18:13:12   (   0.16,-128.20) (   0.68,-130.57)  269.86                80
 01/07/2021   17:55:12   (   0.18,-128.19) (  -0.42,-125.57)  298.38                80
 01/09/2021   06:11:35   (  -0.14,-128.15) (  -0.57,-130.18)  229.94                80
 01/10/2021   05:53:35   (  -0.16,-128.14) (   0.53,-125.18)  338.20                80
 01/11/2021   18:09:47   (   0.13,-128.13) (   0.49,-129.74)  183.39                80
 01/12/2021   17:51:47   (   0.16,-128.11) (  -0.61,-124.74)  384.22                80
 01/14/2021   06:08:08   (  -0.13,-128.06) (  -0.44,-129.33)  145.24                80
 01/15/2021   05:50:09   (  -0.15,-128.05) (   0.66,-124.33)  422.68                80
 01/16/2021   18:06:21   (   0.12,-128.03) (   0.29,-128.90)   98.79                80
 01/17/2021   17:48:22   (   0.14,-128.01) (  -0.80,-123.91)  468.82                80
 01/19/2021   06:04:43   (  -0.11,-127.97) (  -0.24,-128.50)   61.19                80