Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 1 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2025   10:44:45   (   0.01,  61.69) (  -0.09,  61.34)   39.71                80
 01/29/2025   10:28:41   (   0.01,  61.71) (   0.97,  65.89)  476.71                80
 01/30/2025   22:50:27   (  -0.02,  61.62) (   0.22,  60.67)  109.06                80
 01/31/2025   22:29:02   (  -0.02,  61.64) (  -0.84,  65.21)  407.20                80
 02/02/2025   10:50:57   (   0.02,  61.81) (  -0.42,  59.97)  210.20                80
 02/03/2025   10:34:52   (   0.02,  61.83) (   0.64,  64.51)  306.02                80
 02/04/2025   22:53:59   (  -0.02,  61.75) (   0.54,  59.29)  280.23                80
 02/05/2025   22:37:53   (  -0.02,  61.78) (  -0.47,  63.84)  235.48                80
 02/07/2025   10:57:07   (   0.03,  61.95) (  -0.77,  58.60)  383.10                80
 02/08/2025   10:41:03   (   0.03,  61.98) (   0.31,  63.14)  132.30                80
 02/09/2025   23:00:09   (  -0.04,  61.91) (   0.86,  57.91)  455.00                80
 02/10/2025   22:44:04   (  -0.04,  61.94) (  -0.16,  62.47)   60.41                80