Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 6 22.  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)
 06/22/2021   06:21:04   (   0.11,-128.39) (  -0.69,-131.94)  403.97                80
 06/23/2021   05:57:44   (   0.11,-128.37) (   0.44,-126.95)  163.07                80
 06/24/2021   18:16:36   (  -0.11,-128.35) (   0.56,-131.51)  359.07                80
 06/25/2021   17:58:35   (  -0.12,-128.34) (  -0.50,-126.50)  208.37                80
 06/27/2021   06:17:36   (   0.12,-128.31) (  -0.49,-131.11)  318.15                80
 06/28/2021   05:54:15   (   0.13,-128.29) (   0.59,-126.10)  248.44                80
 06/29/2021   18:13:06   (  -0.13,-128.26) (   0.43,-130.67)  274.83                80
 06/30/2021   17:55:07   (  -0.13,-128.24) (  -0.70,-125.68)  292.58                80
 07/02/2021   06:14:06   (   0.13,-128.23) (  -0.34,-130.27)  232.95                80
 07/03/2021   05:50:47   (   0.13,-128.20) (   0.80,-125.28)  333.53                80
 07/04/2021   18:09:38   (  -0.13,-128.16) (   0.24,-129.84)  190.97                80
 07/05/2021   17:51:39   (  -0.13,-128.14) (  -0.89,-124.85)  375.95                80