Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/27/2023   17:32:12   (   0.41, 133.07) (   1.05, 130.13)  334.51                80
 08/28/2023   17:11:12   (   0.41, 132.06) (  -0.15, 134.55)  283.87                80
 08/30/2023   05:36:26   (  -0.40, 130.45) (  -0.73, 129.06)  159.11                80
 08/31/2023   05:15:27   (  -0.40, 129.42) (   0.53, 133.46)  460.88                80
 09/01/2023   17:37:51   (   0.39, 127.87) (   0.35, 128.02)   17.35                80
 09/03/2023   06:03:05   (  -0.38, 126.26) (  -1.22, 122.53)  424.81                80
 09/04/2023   05:42:05   (  -0.39, 125.22) (  -0.02, 126.95)  196.30                80
 09/05/2023   18:07:09   (   0.38, 123.65) (   0.89, 121.50)  244.95                80
 09/06/2023   17:46:10   (   0.39, 122.61) (  -0.38, 125.90)  375.75                80
 09/08/2023   06:11:24   (  -0.37, 120.99) (  -0.48, 120.42)   65.40                80