Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 31.  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)
 11/02/2023   00:29:41   (  71.58, 166.11) 11/02/2023   00:30:52  (  71.47, 167.07)   35.81                71
 11/02/2023   01:20:16   ( -71.12, -25.76) 11/02/2023   01:20:22  ( -71.14, -25.81)    2.88                 6
 11/02/2023   02:10:58   (  70.90, 141.91) 11/02/2023   02:09:45  (  70.97, 141.60)   13.67                73
 11/04/2023   13:23:32   (  71.15, -26.63) 11/04/2023   13:23:56  (  71.16, -26.70)    2.63                24
 11/04/2023   14:14:15   ( -71.10, 140.77) 11/04/2023   14:13:21  ( -71.10, 140.85)    2.97                54
 11/07/2023   01:26:46   ( -71.20, -27.52) 11/07/2023   01:27:33  ( -71.19, -27.58)    2.42                47
 11/07/2023   02:17:30   (  71.10, 139.97) 11/07/2023   02:16:55  (  71.08, 139.90)    3.30                35
 11/09/2023   13:30:02   (  71.27, -28.44) 11/09/2023   13:31:05  (  71.25, -28.41)    2.16                63
 11/09/2023   14:20:44   ( -71.16, 139.07) 11/09/2023   14:20:31  ( -71.13, 139.05)    2.90                13
 11/09/2023   15:11:13   (  70.27, -52.18) 11/09/2023   15:10:06  (  70.30, -54.52)   88.00                67
 11/12/2023   01:33:23   ( -71.74, -30.09) 11/12/2023   01:34:33  ( -71.64, -28.71)   49.54                70
 11/12/2023   02:23:58   (  71.18, 138.21) 11/12/2023   02:24:01  (  71.20, 138.25)    2.52                 3
 11/12/2023   03:14:40   ( -71.07, -54.28) 11/12/2023   03:13:27  ( -71.08, -54.29)    1.42                73