Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 10.  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)
 07/11/2025   08:18:24   (  -0.01,-104.71) (  -0.22,-103.71)  113.70                80
 07/12/2025   20:40:23   (   0.02,-104.72) (  -0.93,-109.03)  491.11                80
 07/13/2025   20:24:18   (   0.00,-104.72) (   0.08,-104.50)   25.81                80
 07/16/2025   08:27:21   (   0.02,-104.71) (   0.12,-105.23)   58.86                80
 07/17/2025   08:05:57   (   0.02,-104.71) (  -0.89,-100.70)  457.27                80
 07/18/2025   20:27:54   (  -0.02,-104.71) (  -0.30,-106.00)  147.43                80
 07/19/2025   20:11:50   (   0.02,-104.71) (   0.76,-101.49)  367.74                80
 07/21/2025   08:33:38   (  -0.01,-104.70) (   0.44,-106.75)  233.75                80
 07/22/2025   08:12:13   (  -0.01,-104.69) (  -0.56,-102.22)  281.99                80
 07/23/2025   20:34:11   (   0.00,-104.69) (  -0.61,-107.53)  323.20                80