Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2022 12 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)
 12/03/2022   23:20:20   ( -75.66,  -5.26) 12/03/2022   23:19:14  ( -75.62,  -8.48)   88.93                66
 12/04/2022   00:11:14   (  76.07, 160.68) 12/04/2022   00:10:00  (  76.09, 160.44)    6.84                74
 12/04/2022   01:01:41   ( -76.14, -32.16) 12/04/2022   01:01:02  ( -76.14, -32.13)    0.95                39
 12/04/2022   01:52:26   (  76.14, 135.15) 12/04/2022   01:51:58  (  76.16, 135.20)    2.19                28
 12/04/2022   02:42:52   ( -76.17, -57.54) 12/04/2022   02:43:01  ( -76.17, -57.53)    0.29                 9
 12/04/2022   03:33:37   (  76.17, 109.78) 12/04/2022   03:33:57  (  76.18, 109.80)    2.12                20
 12/04/2022   04:24:03   ( -76.19, -82.91) 12/04/2022   04:25:00  ( -76.19, -82.92)    0.35                57
 12/04/2022   05:14:48   (  76.19,  84.40) 12/04/2022   05:15:56  (  76.21,  84.41)    2.25                68
 12/12/2022   18:07:16   ( -76.10,  71.63) 12/12/2022   18:06:10  ( -76.07,  71.64)    2.33                66
 12/12/2022   18:58:00   (  76.08,-121.00) 12/12/2022   18:57:04  (  76.10,-121.00)    2.11                56
 12/12/2022   19:48:27   ( -76.12,  46.26) 12/12/2022   19:48:09  ( -76.10,  46.24)    2.10                18
 12/12/2022   20:39:11   (  76.10,-146.37) 12/12/2022   20:39:03  (  76.12,-146.40)    2.32                 8
 12/12/2022   21:29:38   ( -76.14,  20.88) 12/12/2022   21:30:08  ( -76.13,  20.84)    2.09                30
 12/12/2022   22:20:22   (  76.13,-171.75) 12/12/2022   22:21:02  (  76.15,-171.80)    2.66                40
 12/12/2022   23:10:52   ( -76.30,  -4.98) 12/12/2022   23:12:04  ( -76.28,  -4.06)   24.30                72