Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 9 22.  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)
 09/23/2025   02:11:15   ( -76.29, -23.86) 09/23/2025   02:12:22  ( -76.32, -23.80)    3.39                67
 09/23/2025   03:02:00   (  76.27, 143.55) 09/23/2025   03:01:49  (  76.26, 143.65)    2.57                11
 09/23/2025   03:52:32   ( -75.73, -47.23) 09/23/2025   03:51:26  ( -75.79, -50.17)   80.64                66
 09/25/2025   18:27:53   ( -76.31,  92.00) 09/25/2025   18:28:51  ( -76.28,  91.95)    3.44                58
 09/25/2025   19:18:37   (  76.25,-100.45) 09/25/2025   19:18:17  (  76.26,-100.46)    2.18                20
 09/28/2025   10:44:31   ( -76.29,-152.02) 09/28/2025   10:45:19  ( -76.31,-152.08)    2.34                48
 09/28/2025   11:35:16   (  76.28,  15.35) 09/28/2025   11:34:45  (  76.29,  15.50)    3.95                31
 10/01/2025   03:01:10   ( -76.33, -36.23) 10/01/2025   03:01:47  ( -76.30, -36.22)    3.07                37
 10/01/2025   03:51:54   (  76.27, 131.28) 10/01/2025   03:51:13  (  76.28, 131.35)    1.80                41
 10/03/2025   19:17:48   ( -76.33,  79.69) 10/03/2025   19:18:14  ( -76.31,  79.70)    2.04                26
 10/03/2025   20:08:32   (  76.28,-112.82) 10/03/2025   20:07:40  (  76.28,-112.74)    2.17                52
 10/06/2025   11:34:25   ( -76.34,-164.43) 10/06/2025   11:34:39  ( -76.33,-164.32)    2.87                14