Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and METOP-A
TLE Epoch: 2021 11 30.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 11/30/2021   12:10:39   ( -77.22, 156.11) 11/30/2021   12:10:44  ( -77.21, 156.08)    0.93                 5
 11/30/2021   13:01:19   (  76.97, -35.56) 11/30/2021   13:00:08  (  76.99, -37.14)   39.69                71
 12/02/2021   16:37:03   ( -77.21,  89.52) 12/02/2021   16:37:36  ( -77.21,  89.44)    2.39                33
 12/02/2021   17:27:48   (  77.19,-103.06) 12/02/2021   17:27:04  (  77.17,-103.05)    1.85                44
 12/04/2021   21:03:27   ( -77.21,  22.94) 12/04/2021   21:04:27  ( -77.24,  22.96)    3.14                60
 12/04/2021   21:54:12   (  77.19,-169.65) 12/04/2021   21:54:04  (  77.17,-169.73)    3.10                 8
 12/07/2021   02:20:36   (  77.19, 123.75) 12/07/2021   02:21:03  (  77.18, 123.70)    1.34                27
 12/09/2021   06:47:00   (  77.19,  57.14) 12/09/2021   06:48:02  (  77.18,  57.04)    2.85                62
 12/09/2021   07:37:43   ( -77.13,-135.29) 12/09/2021   07:36:33  ( -77.13,-135.29)    0.16                70
 12/11/2021   12:04:07   ( -77.13, 158.10) 12/11/2021   12:03:25  ( -77.12, 158.03)    2.65                42
 12/13/2021   16:30:31   ( -77.14,  91.49) 12/13/2021   16:30:16  ( -77.15,  91.56)    2.30                15