Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 1 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 01/03/2021   10:14:06   (   0.20,-128.20) (   1.01,-131.86)  416.34                80
 01/04/2021   09:52:41   (   0.17,-128.20) (  -0.01,-127.33)   98.61                80
 01/06/2021   21:55:53   (  -0.19,-128.21) (  -0.18,-128.10)   12.44                80
 01/09/2021   10:01:36   (   0.22,-128.13) (   0.37,-128.83)   78.88                80
 01/10/2021   09:40:11   (   0.20,-128.12) (  -0.64,-124.30)  435.29                80
 01/11/2021   22:04:48   (  -0.25,-128.13) (  -0.56,-129.59)  166.87                80
 01/12/2021   21:43:23   (  -0.22,-128.11) (   0.46,-125.06)  346.95                80
 01/14/2021   10:07:50   (   0.27,-128.04) (   0.81,-130.31)  259.85                80
 01/15/2021   09:46:26   (   0.24,-128.02) (  -0.27,-125.79)  253.98                80
 01/16/2021   22:11:01   (  -0.29,-128.03) (  -0.98,-131.08)  348.37                80