Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2023 10 7.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 10/20/2023   01:54:43   (  75.69, 147.32) 10/20/2023   01:55:50  (  75.63, 149.91)   71.62                67
 10/20/2023   02:45:25   ( -75.53, -44.84) 10/20/2023   02:46:35  ( -75.53, -43.11)   48.09                70
 10/20/2023   03:36:06   (  75.31, 123.17) 10/20/2023   03:37:20  (  75.24, 123.36)    9.19                74
 10/20/2023   04:26:50   ( -75.24, -69.30) 10/20/2023   04:28:03  ( -75.22, -69.36)    2.12                73
 10/20/2023   05:17:36   (  75.25,  97.98) 10/20/2023   05:18:42  (  75.22,  97.96)    3.02                66
 10/20/2023   06:08:21   ( -75.22, -94.64) 10/20/2023   06:09:24  ( -75.25, -94.62)    3.42                63
 10/20/2023   06:59:07   (  75.23,  72.64) 10/20/2023   07:00:03  (  75.25,  72.71)    2.57                56
 10/20/2023   07:49:52   ( -75.21,-119.98) 10/20/2023   07:50:46  ( -75.23,-120.01)    2.83                54
 10/20/2023   08:40:38   (  75.22,  47.30) 10/20/2023   08:41:25  (  75.23,  47.31)    1.07                47
 10/20/2023   09:31:23   ( -75.20,-145.32) 10/20/2023   09:32:08  ( -75.22,-145.41)    3.17                45
 10/20/2023   10:22:09   (  75.21,  21.96) 10/20/2023   10:22:47  (  75.21,  21.92)    1.27                38
 10/20/2023   11:12:55   ( -75.23,-170.80) 10/20/2023   11:13:30  ( -75.20,-170.80)    3.77                35
 10/20/2023   12:03:40   (  75.19,  -3.38) 10/20/2023   12:04:09  (  75.19,  -3.48)    2.83                29
 10/20/2023   12:54:26   ( -75.22, 163.86) 10/20/2023   12:54:51  ( -75.23, 163.95)    2.64                25
 10/20/2023   13:45:12   (  75.23, -28.86) 10/20/2023   13:45:30  (  75.22, -28.73)    3.76                18
 10/20/2023   14:35:57   ( -75.20, 138.52) 10/20/2023   14:36:13  ( -75.21, 138.55)    0.96                16
 10/20/2023   15:26:43   (  75.21, -54.20) 10/20/2023   15:26:52  (  75.20, -54.13)    2.60                 9
 10/20/2023   16:17:28   ( -75.19, 113.18) 10/20/2023   16:17:35  ( -75.19, 113.16)    0.75                 7
 10/20/2023   17:08:14   (  75.20, -79.54) 10/20/2023   17:08:14  (  75.18, -79.53)    2.29                 0
 10/20/2023   17:58:59   ( -75.18,  87.84) 10/20/2023   17:58:57  ( -75.17,  87.76)    2.43                 2
 10/20/2023   18:49:45   (  75.19,-104.88) 10/20/2023   18:49:36  (  75.16,-104.92)    3.12                 9
 10/20/2023   19:40:30   ( -75.17,  62.50) 10/20/2023   19:40:18  ( -75.20,  62.51)    3.57                12
 10/20/2023   20:31:16   (  75.18,-130.22) 10/20/2023   20:30:57  (  75.19,-130.18)    2.15                19
 10/20/2023   21:22:01   ( -75.15,  37.16) 10/20/2023   21:21:40  ( -75.18,  37.11)    3.21                21
 10/20/2023   22:12:47   (  75.16,-155.56) 10/20/2023   22:12:19  (  75.17,-155.57)    1.09                28
 10/20/2023   23:03:33   ( -75.19,  11.68) 10/20/2023   23:03:02  ( -75.16,  11.72)    3.17                31
 10/20/2023   23:54:18   (  75.15, 179.10) 10/20/2023   23:53:41  (  75.15, 179.03)    1.90                37
 10/21/2023   00:45:03   ( -75.17, -13.66) 10/21/2023   00:44:23  ( -75.14, -13.68)    3.63                40