Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 9 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2025   09:11:45   (  -0.19, -89.49) (  -0.23, -89.30)   22.16                80
 09/23/2025   21:17:23   (   0.18, -89.52) (   0.11, -89.95)   48.44                80
 09/24/2025   20:55:53   (   0.19, -89.53) (   1.13, -85.38)  473.90                80
 09/26/2025   09:20:10   (  -0.17, -89.53) (   0.07, -90.55)  116.62                80
 09/27/2025   08:58:41   (  -0.18, -89.53) (  -1.02, -85.99)  405.13                80
 09/28/2025   21:23:07   (   0.16, -89.55) (  -0.23, -91.19)  187.56                80
 09/29/2025   21:01:37   (   0.17, -89.56) (   0.86, -86.63)  334.72                80
 10/01/2025   09:25:55   (  -0.15, -89.57) (   0.34, -91.81)  254.87                80
 10/02/2025   09:04:24   (  -0.17, -89.57) (  -0.69, -87.23)  267.08                80
 10/03/2025   21:28:52   (   0.14, -89.59) (  -0.48, -92.45)  325.56                80
 10/04/2025   21:07:21   (   0.16, -89.61) (   0.56, -87.88)  197.22                80