Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 6.  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)
 07/07/2025   20:34:05   (  -0.00,-104.72) (  -0.65,-107.50)  316.50                80
 07/08/2025   20:18:02   (   0.01,-104.72) (   0.41,-102.98)  199.27                80
 07/10/2025   08:39:49   (  -0.01,-104.71) (   0.79,-108.24)  402.42                80
 07/11/2025   08:18:24   (  -0.01,-104.71) (  -0.22,-103.71)  113.38                80
 07/12/2025   20:40:23   (   0.01,-104.71) (  -0.93,-109.03)  491.69                80
 07/13/2025   20:24:18   (   0.01,-104.71) (   0.08,-104.50)   24.49                80
 07/16/2025   08:27:21   (  -0.01,-104.70) (   0.12,-105.23)   60.62                80
 07/17/2025   08:05:57   (  -0.01,-104.70) (  -0.89,-100.70)  455.35                80
 07/18/2025   20:27:54   (   0.01,-104.70) (  -0.30,-106.01)  149.71                80
 07/19/2025   20:11:49   (   0.00,-104.69) (   0.71,-101.47)  366.27                80