Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 1 6.  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)
 01/11/2023   12:55:00   (  75.75, -29.31) 01/11/2023   12:53:48  (  75.74, -30.50)   32.63                72
 01/11/2023   13:45:48   ( -75.93, 137.43) 01/11/2023   13:44:48  ( -75.93, 137.41)    0.42                60
 01/11/2023   14:36:34   (  75.95, -55.31) 01/11/2023   14:35:43  (  75.94, -55.28)    1.13                51
 01/11/2023   15:27:18   ( -75.93, 112.04) 01/11/2023   15:26:47  ( -75.95, 112.00)    2.27                31
 01/11/2023   16:18:04   (  75.95, -80.71) 01/11/2023   16:17:42  (  75.96, -80.69)    1.37                22
 01/11/2023   17:08:49   ( -75.99,  86.49) 01/11/2023   17:08:46  ( -75.98,  86.59)    2.85                 3
 01/11/2023   17:59:34   (  75.96,-106.10) 01/11/2023   17:59:41  (  75.99,-106.10)    3.28                 7
 01/11/2023   18:50:19   ( -75.99,  61.10) 01/11/2023   18:50:45  ( -76.00,  61.17)    2.20                26
 01/11/2023   19:41:05   (  76.01,-131.65) 01/11/2023   19:41:40  (  76.01,-131.51)    3.59                35
 01/11/2023   20:31:49   ( -76.00,  35.71) 01/11/2023   20:32:44  ( -76.02,  35.76)    3.08                55
 01/11/2023   21:22:35   (  76.01,-157.04) 01/11/2023   21:23:40  (  75.99,-157.09)    3.11                65
 01/11/2023   22:13:28   ( -76.41,   8.88) 01/11/2023   22:14:36  ( -76.35,  11.51)   69.35                68