Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 4 14.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 04/15/2025   17:07:01   (  75.71, -69.96) 04/15/2025   17:08:01  (  75.69, -69.91)    2.23                60
 04/15/2025   17:57:43   ( -75.64,  97.59) 04/15/2025   17:57:29  ( -75.66,  97.65)    3.16                14
 04/18/2025   09:23:44   (  75.68,  46.00) 04/18/2025   09:24:27  (  75.67,  45.91)    2.85                43
 04/18/2025   10:14:27   ( -75.66,-146.60) 04/18/2025   10:13:55  ( -75.64,-146.53)    2.84                32
 04/21/2025   01:40:28   (  75.67, 161.92) 04/21/2025   01:40:52  (  75.71, 161.91)    3.57                24
 04/21/2025   02:31:11   ( -75.65, -30.68) 04/21/2025   02:30:21  ( -75.63, -30.67)    1.85                50
 04/23/2025   17:06:37   ( -76.17, 108.75) 04/23/2025   17:07:44  ( -76.07, 111.27)   68.13                67
 04/23/2025   17:57:12   (  75.68, -82.21) 04/23/2025   17:57:17  (  75.70, -82.21)    2.90                 5
 04/23/2025   18:47:55   ( -75.65,  85.20) 04/23/2025   18:46:46  ( -75.63,  85.22)    2.09                69
 04/26/2025   09:23:11   ( -75.74,-133.83) 04/26/2025   09:24:15  ( -75.74,-133.85)    0.85                64
 04/26/2025   10:13:56   (  75.69,  33.63) 04/26/2025   10:13:41  (  75.71,  33.70)    2.81                15