Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2022 12 21.  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   ( -75.90,  -9.93) 12/27/2022   23:34:33  ( -75.92, -10.54)   16.39                74
 12/28/2022   00:26:35   (  76.01, 157.01) 12/28/2022   00:25:25  (  75.98, 156.98)    3.67                70
 12/28/2022   01:17:19   ( -76.00, -35.63) 12/28/2022   01:16:30  ( -76.03, -35.62)    3.00                49
 12/28/2022   02:08:05   (  76.02, 131.62) 12/28/2022   02:07:24  (  76.01, 131.58)    1.89                41
 12/28/2022   02:58:50   ( -76.05, -61.17) 12/28/2022   02:58:29  ( -76.05, -61.03)    3.92                21
 12/28/2022   03:49:35   (  76.02, 106.23) 12/28/2022   03:49:23  (  76.03, 106.17)    1.93                12
 12/28/2022   04:40:20   ( -76.06, -86.56) 12/28/2022   04:40:29  ( -76.03, -86.60)    2.81                 9
 12/28/2022   05:31:06   (  76.07,  80.69) 12/28/2022   05:31:22  (  76.05,  80.76)    2.92                16
 12/28/2022   06:21:50   ( -76.06,-111.95) 12/28/2022   06:22:28  ( -76.06,-112.01)    1.45                38
 12/28/2022   07:12:36   (  76.08,  55.30) 12/28/2022   07:13:21  (  76.08,  55.36)    1.58                45
 12/28/2022   08:03:20   ( -76.06,-137.34) 12/28/2022   08:04:27  ( -76.08,-137.41)    2.49                67
 12/28/2022   08:54:06   (  76.08,  29.91) 12/28/2022   08:55:20  (  76.10,  29.95)    2.52                74