Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 4 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/19/2025   23:03:36   (   0.04,  61.39) (   0.61,  58.75)  300.39                80
 04/20/2025   22:47:27   (   0.05,  61.40) (  -0.41,  63.31)  219.17                80
 04/22/2025   11:06:37   (  -0.03,  61.44) (  -0.82,  58.09)  382.26                80
 04/23/2025   10:50:28   (  -0.04,  61.45) (   0.21,  62.66)  136.96                80
 04/24/2025   23:09:30   (   0.03,  61.46) (   0.97,  57.46)  457.08                80
 04/25/2025   22:53:21   (   0.03,  61.47) (  -0.07,  62.02)   62.14                80
 04/28/2025   10:53:43   (  -0.02,  61.53) (  -0.06,  61.35)   21.25                80
 04/29/2025   10:37:34   (  -0.03,  61.56) (   0.98,  65.91)  497.03                80
 04/30/2025   22:56:36   (   0.00,  61.58) (   0.17,  60.71)   98.71                80
 05/01/2025   22:40:26   (   0.01,  61.60) (  -0.81,  65.29)  419.66                80