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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/15/2023   16:09:35   (   0.42, 145.48) (  -0.54, 149.70)  480.68                80
 08/17/2023   04:32:09   (  -0.43, 143.88) (  -0.36, 144.22)   37.98                80
 08/18/2023   16:57:14   (   0.43, 142.36) (   1.21, 138.77)  408.97                80
 08/19/2023   16:36:14   (   0.42, 141.34) (   0.02, 143.18)  209.10                80
 08/21/2023   05:01:28   (  -0.43, 139.74) (  -0.92, 137.70)  233.26                80
 08/22/2023   04:40:29   (  -0.42, 138.72) (   0.33, 142.10)  385.78                80
 08/23/2023   17:05:33   (   0.42, 137.18) (   0.57, 136.66)   60.27                80
 08/26/2023   05:07:08   (  -0.41, 134.56) (  -0.20, 135.58)  115.84                80
 08/27/2023   17:32:13   (   0.40, 133.02) (   1.04, 130.13)  329.16                80
 08/28/2023   17:11:12   (   0.40, 131.99) (  -0.15, 134.54)  289.76                80