Simultaneous Nadir Overpasses (SNOs) between METOP-B and NOAA-19
TLE Epoch: 2021 5 18.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 05/20/2021   00:30:53   (  80.51,-159.30) 05/20/2021   00:29:57  (  80.49,-159.23)    2.39                56
 05/20/2021   01:21:35   ( -80.49,   7.73) 05/20/2021   01:20:53  ( -80.50,   7.88)    3.07                42
 05/20/2021   02:12:15   (  80.50, 175.24) 05/20/2021   02:11:57  (  80.49, 175.40)    3.35                18
 05/20/2021   03:02:56   ( -80.51, -17.40) 05/20/2021   03:02:53  ( -80.50, -17.49)    2.08                 3
 05/20/2021   03:53:37   (  80.50, 149.78) 05/20/2021   03:53:58  (  80.50, 149.68)    1.93                21
 05/20/2021   04:44:18   ( -80.50, -42.85) 05/20/2021   04:44:53  ( -80.49, -42.87)    0.85                35
 05/20/2021   05:34:59   (  80.49, 124.33) 05/20/2021   05:35:58  (  80.49, 124.31)    0.76                59
 05/20/2021   06:25:40   ( -80.49, -68.31) 05/20/2021   06:26:53  ( -80.48, -68.25)    1.27                73
 05/31/2021   03:25:48   (  80.50, 156.86) 05/31/2021   03:24:50  (  80.52, 156.93)    2.37                58
 05/31/2021   04:16:29   ( -80.52, -35.63) 05/31/2021   04:15:44  ( -80.51, -35.53)    2.01                45
 05/31/2021   05:07:09   (  80.52, 131.73) 05/31/2021   05:06:50  (  80.51, 131.55)    3.25                19
 05/31/2021   05:57:51   ( -80.51, -61.09) 05/31/2021   05:57:45  ( -80.52, -61.25)    3.27                 6
 05/31/2021   06:48:31   (  80.51, 106.27) 05/31/2021   06:48:50  (  80.51, 106.17)    1.73                19
 05/31/2021   07:39:13   ( -80.50, -86.54) 05/31/2021   07:39:45  ( -80.51, -86.63)    2.18                32
 05/31/2021   08:29:53   (  80.50,  80.81) 05/31/2021   08:30:50  (  80.50,  80.80)    0.40                57