Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 9 24.  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)
 09/25/2023   07:28:00   (  71.05,  62.45) 09/25/2023   07:28:42  (  71.03,  62.41)    2.89                42
 09/25/2023   08:18:41   ( -70.92,-130.00) 09/25/2023   08:18:07  ( -70.94,-130.08)    3.34                34
 09/27/2023   19:31:14   ( -71.38,  61.11) 09/27/2023   19:32:26  ( -71.26,  61.79)   27.52                72
 09/27/2023   20:21:53   (  71.00,-130.94) 09/27/2023   20:21:51  (  71.02,-130.92)    2.46                 2
 09/27/2023   21:12:31   ( -70.71,  36.87) 09/27/2023   21:11:19  ( -70.77,  36.35)   20.29                72
 09/30/2023   08:25:03   ( -71.07,-131.84) 09/30/2023   08:25:39  ( -71.06,-131.84)    1.26                36
 09/30/2023   09:15:47   (  70.96,  35.66) 09/30/2023   09:15:01  (  70.98,  35.69)    2.55                46
 10/02/2023   20:28:15   (  71.13,-132.73) 10/02/2023   20:29:23  (  71.11,-132.73)    1.50                68
 10/02/2023   21:18:57   ( -71.03,  34.74) 10/02/2023   21:18:48  ( -71.04,  34.81)    2.77                 9
 10/02/2023   22:09:29   (  70.29,-156.75) 10/02/2023   22:08:21  (  70.35,-158.56)   68.07                68
 10/05/2023   09:22:08   (  71.05,  33.92) 10/05/2023   09:22:32  (  71.05,  33.86)    1.96                24
 10/05/2023   10:12:50   ( -70.95,-158.60) 10/05/2023   10:11:58  ( -70.93,-158.67)    3.22                52
 10/07/2023   21:25:18   ( -71.13,  32.99) 10/07/2023   21:26:18  ( -71.11,  32.99)    2.33                60
 10/07/2023   22:16:02   (  71.03,-159.53) 10/07/2023   22:15:40  (  71.01,-159.51)    3.01                22