Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2022 11 29.  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   ( -75.67,  -5.30) 12/03/2022   23:19:14  ( -75.63,  -8.46)   87.18                66
 12/04/2022   00:11:14   (  76.09, 160.61) 12/04/2022   00:10:00  (  76.09, 160.44)    4.66                74
 12/04/2022   01:01:41   ( -76.16, -32.22) 12/04/2022   01:01:02  ( -76.14, -32.11)    3.27                39
 12/04/2022   01:52:26   (  76.16, 135.08) 12/04/2022   01:51:58  (  76.16, 135.21)    3.51                28
 12/04/2022   02:42:52   ( -76.18, -57.59) 12/04/2022   02:43:01  ( -76.17, -57.51)    2.67                 9
 12/04/2022   03:33:37   (  76.19, 109.70) 12/04/2022   03:33:57  (  76.18, 109.81)    2.92                20
 12/04/2022   04:24:03   ( -76.21, -82.97) 12/04/2022   04:25:00  ( -76.20, -82.91)    2.09                57
 12/04/2022   05:14:48   (  76.21,  84.33) 12/04/2022   05:15:56  (  76.21,  84.41)    2.34                68
 12/12/2022   18:07:14   ( -76.09,  71.65) 12/12/2022   18:06:10  ( -76.08,  71.67)    1.55                64
 12/12/2022   18:57:58   (  76.08,-121.00) 12/12/2022   18:57:04  (  76.10,-120.98)    2.10                54
 12/12/2022   19:48:25   ( -76.12,  46.27) 12/12/2022   19:48:09  ( -76.11,  46.27)    1.31                16
 12/12/2022   20:39:09   (  76.11,-146.38) 12/12/2022   20:39:03  (  76.13,-146.38)    2.09                 6
 12/12/2022   21:29:36   ( -76.14,  20.89) 12/12/2022   21:30:08  ( -76.13,  20.87)    1.32                32
 12/12/2022   22:20:20   (  76.13,-171.76) 12/12/2022   22:21:02  (  76.15,-171.78)    2.21                42
 12/12/2022   23:10:52   ( -76.39,  -5.29) 12/12/2022   23:12:03  ( -76.33,  -3.86)   38.11                71