Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 11 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 11/21/2021   04:13:48   (   0.26,-128.36) (   0.90,-125.52)  323.47                80
 11/22/2021   16:07:59   (  -0.26,-128.36) (  -1.17,-124.10)  484.39                80
 11/23/2021   04:35:49   (   0.26,-128.33) (  -0.42,-131.50)  360.60                80
 11/24/2021   16:30:01   (  -0.25,-128.33) (   0.16,-130.08)  200.53                80
 11/26/2021   04:23:29   (   0.25,-128.27) (   0.18,-128.50)   26.71                80
 11/27/2021   16:20:23   (  -0.25,-128.27) (  -0.53,-127.11)  132.41                80
 11/29/2021   04:13:50   (   0.24,-128.21) (   0.81,-125.51)  306.42                80
 11/30/2021   16:08:04   (  -0.24,-128.20) (  -1.12,-124.11)  464.48                80
 12/01/2021   04:35:52   (   0.24,-128.16) (  -0.47,-131.49)  379.55                80
 12/02/2021   16:30:06   (  -0.24,-128.14) (   0.17,-130.10)  222.09                80
 12/04/2021   04:23:32   (   0.24,-128.07) (   0.13,-128.50)   49.19                80