Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 19.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/20/2023   11:22:34   (  71.14,   3.65) 10/20/2023   11:23:25  (  71.16,   3.62)    2.62                51
 10/20/2023   12:13:16   ( -71.05, 171.12) 10/20/2023   12:12:51  ( -71.05, 171.09)    1.00                25
 10/22/2023   23:25:52   ( -71.37,   2.44) 10/22/2023   23:27:04  ( -71.29,   2.87)   17.61                72
 10/23/2023   00:16:33   (  71.10, 170.21) 10/23/2023   00:16:27  (  71.12, 170.27)    3.33                 6
 10/23/2023   01:07:09   ( -70.69, -21.79) 10/23/2023   01:05:57  ( -70.79, -22.58)   31.15                72
 10/25/2023   11:29:22   (  72.11,   0.27) 10/25/2023   11:30:27  (  72.03,   3.16)   99.44                65
 10/25/2023   12:19:47   ( -71.13, 169.36) 10/25/2023   12:20:08  ( -71.11, 169.30)    3.27                21
 10/25/2023   13:10:31   (  71.02, -23.15) 10/25/2023   13:09:29  (  71.04, -23.14)    2.25                62
 10/28/2023   00:23:02   (  71.16, 168.49) 10/28/2023   00:23:42  (  71.14, 168.43)    2.91                40
 10/28/2023   01:13:44   ( -71.06, -24.02) 10/28/2023   01:13:08  ( -71.04, -24.08)    3.20                36
 10/30/2023   12:26:16   ( -71.21, 167.60) 10/30/2023   12:27:20  ( -71.21, 167.59)    0.30                64
 10/30/2023   13:17:00   (  71.11, -24.92) 10/30/2023   13:16:42  (  71.08, -24.94)    2.81                18
 10/30/2023   14:07:28   ( -70.27, 143.77) 10/30/2023   14:06:20  ( -70.32, 141.58)   82.23                68
 11/02/2023   00:29:38   (  71.59, 166.12) 11/02/2023   00:30:49  (  71.48, 167.11)   36.50                71
 11/02/2023   01:20:14   ( -71.16, -25.82) 11/02/2023   01:20:19  ( -71.16, -25.75)    2.32                 5
 11/02/2023   02:10:55   (  70.91, 141.92) 11/02/2023   02:09:42  (  70.98, 141.63)   13.15                73