Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2022 12 14.  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)
 12/14/2022   15:10:09   (  75.75, -63.02) 12/14/2022   15:09:00  (  75.76, -65.12)   57.64                69
 12/14/2022   16:00:51   ( -76.09, 103.23) 12/14/2022   15:59:58  ( -76.08, 103.26)    1.24                53
 12/14/2022   16:51:36   (  76.07, -89.40) 12/14/2022   16:50:52  (  76.10, -89.40)    2.93                44
 12/14/2022   17:42:12   ( -76.12,  77.77) 12/14/2022   17:41:57  ( -76.10,  77.86)    3.24                15
 12/14/2022   18:32:57   (  76.11,-114.86) 12/14/2022   18:32:51  (  76.12,-114.80)    2.26                 6
 12/14/2022   19:23:32   ( -76.11,  52.46) 12/14/2022   19:23:56  ( -76.13,  52.46)    1.75                24
 12/14/2022   20:14:18   (  76.14,-140.33) 12/14/2022   20:14:50  (  76.15,-140.21)    3.26                32
 12/14/2022   21:04:53   ( -76.15,  27.00) 12/14/2022   21:05:55  ( -76.16,  27.06)    1.56                62
 12/14/2022   21:55:38   (  76.14,-165.63) 12/14/2022   21:56:50  (  76.13,-165.77)    3.87                72
 12/25/2022   13:47:53   ( -76.02, 136.70) 12/25/2022   13:46:48  ( -76.01, 136.67)    1.35                65
 12/25/2022   14:38:36   (  76.05, -56.07) 12/25/2022   14:37:40  (  76.03, -55.99)    3.04                56
 12/25/2022   15:29:13   ( -76.06, 111.23) 12/25/2022   15:28:46  ( -76.03, 111.26)    2.67                27
 12/25/2022   16:19:56   (  76.04, -81.38) 12/25/2022   16:19:39  (  76.05, -81.40)    1.47                17
 12/25/2022   17:10:33   ( -76.05,  85.93) 12/25/2022   17:10:45  ( -76.06,  85.85)    2.17                12
 12/25/2022   18:01:17   (  76.08,-106.85) 12/25/2022   18:01:38  (  76.08,-106.80)    1.32                21
 12/25/2022   18:51:54   ( -76.09,  60.46) 12/25/2022   18:52:44  ( -76.08,  60.45)    0.61                50
 12/25/2022   19:42:38   (  76.12,-132.32) 12/25/2022   19:43:37  (  76.10,-132.21)    3.51                59