Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 1 3.  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   (  75.74, -29.26) 01/11/2023   12:53:48  (  75.75, -30.44)   32.45                72
 01/11/2023   13:45:49   ( -75.96, 137.34) 01/11/2023   13:44:48  ( -75.95, 137.48)    3.99                61
 01/11/2023   14:36:34   (  75.93, -55.26) 01/11/2023   14:35:43  (  75.96, -55.22)    3.10                51
 01/11/2023   15:27:19   ( -75.96, 111.95) 01/11/2023   15:26:47  ( -75.97, 112.07)    3.49                32
 01/11/2023   16:18:04   (  75.93, -80.65) 01/11/2023   16:17:43  (  75.93, -80.79)    3.76                21
 01/11/2023   17:08:49   ( -75.97,  86.56) 01/11/2023   17:08:47  ( -75.95,  86.50)    2.51                 2
 01/11/2023   17:59:35   (  75.99,-106.20) 01/11/2023   17:59:42  (  75.96,-106.20)    3.23                 7
 01/11/2023   18:50:19   ( -75.97,  61.16) 01/11/2023   18:50:46  ( -75.97,  61.08)    2.15                27
 01/11/2023   19:41:05   (  75.99,-131.59) 01/11/2023   19:41:41  (  75.98,-131.61)    1.38                36
 01/11/2023   20:31:49   ( -75.98,  35.77) 01/11/2023   20:32:45  ( -75.99,  35.67)    3.31                56
 01/11/2023   21:22:35   (  76.00,-156.99) 01/11/2023   21:23:40  (  76.00,-157.03)    1.30                65
 01/11/2023   22:13:29   ( -76.44,   8.78) 01/11/2023   22:14:36  ( -76.37,  11.59)   73.74                67