Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2023 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 09/12/2023   13:52:19   (   0.26, 116.62) (  -0.22, 114.43)  249.75                80
 09/13/2023   13:29:02   (   0.23, 115.58) (   1.08, 119.38)  432.75                80
 09/15/2023   01:47:58   (  -0.26, 113.88) (  -0.45, 114.74)   97.36                80
 09/16/2023   14:09:43   (   0.28, 112.38) (  -0.24, 110.07)  263.59                80
 09/17/2023   13:46:25   (   0.26, 111.34) (   1.06, 115.02)  419.80                80
 09/19/2023   02:05:21   (  -0.27, 109.63) (  -0.44, 110.38)   85.72                80
 09/20/2023   14:27:06   (   0.29, 108.12) (  -0.24, 105.71)  274.19                80
 09/21/2023   14:03:48   (   0.27, 107.07) (   1.07, 110.66)  409.56                80
 09/23/2023   02:22:44   (  -0.28, 105.35) (  -0.45, 106.02)   76.02                80
 09/24/2023   14:44:28   (   0.30, 103.84) (  -0.28, 101.36)  283.11                80