Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2022 12 22.  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)
 12/27/2022   23:35:47   ( -75.89,  -9.89) 12/27/2022   23:34:34  ( -75.89, -10.64)   20.59                73
 12/28/2022   00:26:35   (  76.00, 157.06) 12/28/2022   00:25:25  (  76.00, 157.04)    0.74                70
 12/28/2022   01:17:20   ( -76.03, -35.74) 12/28/2022   01:16:31  ( -76.00, -35.73)    3.88                49
 12/28/2022   02:08:05   (  76.00, 131.67) 12/28/2022   02:07:24  (  76.02, 131.63)    2.17                41
 12/28/2022   02:58:50   ( -76.04, -61.13) 12/28/2022   02:58:30  ( -76.02, -61.14)    1.71                20
 12/28/2022   03:49:36   (  76.05, 106.12) 12/28/2022   03:49:23  (  76.05, 106.22)    2.84                13
 12/28/2022   04:40:20   ( -76.04, -86.52) 12/28/2022   04:40:29  ( -76.05, -86.55)    0.94                 9
 12/28/2022   05:31:05   (  76.06,  80.73) 12/28/2022   05:31:21  (  76.07,  80.82)    2.46                16
 12/28/2022   06:21:49   ( -76.05,-111.91) 12/28/2022   06:22:27  ( -76.07,-111.95)    2.98                38
 12/28/2022   07:12:35   (  76.06,  55.34) 12/28/2022   07:13:21  (  76.05,  55.25)    3.08                46
 12/28/2022   08:03:20   ( -76.10,-137.45) 12/28/2022   08:04:26  ( -76.09,-137.36)    2.49                66
 12/28/2022   08:54:06   (  76.11,  29.80) 12/28/2022   08:55:20  (  76.07,  29.84)    4.67                74