Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 8 5.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2023   03:21:44   (  74.47, 117.18) 08/05/2023   03:20:35  (  74.48, 115.27)   57.04                69
 08/05/2023   04:12:35   ( -74.80, -76.40) 08/05/2023   04:11:28  ( -74.82, -76.52)    3.66                67
 08/05/2023   05:03:22   (  74.86,  90.74) 08/05/2023   05:02:26  (  74.86,  90.86)    3.63                56
 08/05/2023   05:54:06   ( -74.86,-101.94) 08/05/2023   05:53:26  ( -74.86,-101.88)    1.67                40
 08/05/2023   06:44:52   (  74.87,  65.34) 08/05/2023   06:44:25  (  74.85,  65.36)    2.11                27
 08/05/2023   07:35:36   ( -74.87,-127.34) 08/05/2023   07:35:25  ( -74.86,-127.38)    1.66                11
 08/05/2023   08:26:22   (  74.88,  39.94) 08/05/2023   08:26:23  (  74.90,  39.99)    2.43                 1
 08/05/2023   09:17:06   ( -74.88,-152.73) 08/05/2023   09:17:23  ( -74.90,-152.74)    2.87                17
 08/05/2023   10:07:52   (  74.89,  14.54) 08/05/2023   10:08:22  (  74.90,  14.49)    1.47                30
 08/05/2023   10:58:36   ( -74.89,-178.13) 08/05/2023   10:59:22  ( -74.90,-178.24)    3.52                46
 08/05/2023   11:49:23   (  74.95, -11.00) 08/05/2023   11:50:20  (  74.94, -10.87)    3.74                57
 08/05/2023   12:40:07   ( -74.94, 156.33) 08/05/2023   12:41:20  ( -74.94, 156.40)    1.90                73
 08/05/2023   13:31:03   (  75.43, -37.80) 08/05/2023   13:32:10  (  75.35, -35.07)   77.00                67