Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 30.  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)
 09/30/2021   21:52:34   (  -0.34,-127.67) (   0.00,-126.70)  113.99                80
 10/02/2021   10:11:40   (   0.32,-127.74) (   1.28,-131.94)  479.71                80
 10/03/2021   09:55:35   (   0.32,-127.78) (   0.24,-127.42)   40.87                80
 10/05/2021   21:56:06   (  -0.31,-127.85) (  -0.41,-128.19)   39.75                80
 10/06/2021   21:40:01   (  -0.32,-127.88) (   0.64,-123.66)  480.72                80
 10/08/2021   09:59:09   (   0.30,-127.94) (   0.53,-128.93)  113.11                80
 10/09/2021   09:43:03   (   0.31,-127.97) (  -0.46,-124.40)  406.76                80
 10/10/2021   22:02:20   (  -0.29,-127.99) (  -0.69,-129.71)  195.95                80
 10/11/2021   21:46:15   (  -0.30,-128.01) (   0.36,-125.18)  323.43                80
 10/13/2021   10:05:22   (   0.27,-128.07) (   0.81,-130.45)  271.91                80
 10/14/2021   09:49:17   (   0.28,-128.09) (  -0.18,-125.91)  247.20                80