Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2022 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 12/06/2022   06:35:35   (  -0.01, -75.20) (   0.56, -77.78)  294.44                80
 12/07/2022   06:15:01   (   0.00, -75.20) (  -0.65, -72.16)  346.15                80
 12/08/2022   18:27:30   (  -0.00, -75.21) (  -0.14, -75.82)   69.32                80
 12/10/2022   06:42:23   (  -0.00, -75.22) (   0.96, -79.41)  477.77                80
 12/11/2022   06:19:10   (   0.00, -75.23) (  -0.32, -73.80)  163.19                80
 12/12/2022   18:34:20   (  -0.00, -75.24) (  -0.50, -77.46)  252.35                80
 12/13/2022   18:13:47   (  -0.00, -75.26) (   0.74, -71.84)  388.90                80
 12/15/2022   06:25:59   (   0.00, -75.28) (   0.06, -75.43)   17.60                80
 12/16/2022   18:41:10   (   0.00, -75.30) (  -0.84, -79.10)  432.61                80
 12/17/2022   18:20:37   (  -0.00, -75.32) (   0.41, -73.48)  209.28                80