Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 30.  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)
 10/30/2023   12:26:19   ( -71.21, 167.58) 10/30/2023   12:27:22  ( -71.23, 167.62)    2.80                63
 10/30/2023   13:17:03   (  71.10, -24.92) 10/30/2023   13:16:44  (  71.12, -24.89)    2.69                19
 10/30/2023   14:07:29   ( -70.22, 143.83) 10/30/2023   14:06:22  ( -70.29, 141.52)   87.14                67
 11/02/2023   00:29:41   (  71.60, 166.09) 11/02/2023   00:30:51  (  71.50, 167.12)   37.77                70
 11/02/2023   01:20:16   ( -71.13, -25.78) 11/02/2023   01:20:22  ( -71.12, -25.84)    2.88                 6
 11/02/2023   02:10:58   (  70.92, 141.89) 11/02/2023   02:09:45  (  70.95, 141.56)   12.38                73
 11/04/2023   13:23:32   (  71.17, -26.65) 11/04/2023   13:23:55  (  71.18, -26.67)    1.64                23
 11/04/2023   14:14:14   ( -71.06, 140.84) 11/04/2023   14:13:21  ( -71.06, 140.80)    1.36                53
 11/07/2023   01:26:46   ( -71.21, -27.53) 11/07/2023   01:27:32  ( -71.20, -27.56)    1.38                46
 11/07/2023   02:17:30   (  71.11, 139.95) 11/07/2023   02:16:54  (  71.09, 139.92)    2.92                36
 11/09/2023   13:30:01   (  71.22, -28.36) 11/09/2023   13:31:04  (  71.24, -28.42)    3.04                63
 11/09/2023   14:20:44   ( -71.16, 139.05) 11/09/2023   14:20:29  ( -71.18, 139.13)    3.14                15
 11/09/2023   15:11:12   (  70.22, -52.11) 11/09/2023   15:10:06  (  70.23, -54.61)   94.14                66
 11/12/2023   01:33:23   ( -71.69, -30.00) 11/12/2023   01:34:33  ( -71.61, -28.75)   44.71                70
 11/12/2023   02:23:59   (  71.18, 138.21) 11/12/2023   02:24:01  (  71.17, 138.21)    1.44                 2
 11/12/2023   03:14:40   ( -71.02, -54.20) 11/12/2023   03:13:27  ( -71.05, -54.33)    5.99                73