Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 9 23.  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   (  71.07,  62.43) 09/25/2023   07:28:41  (  71.07,  62.47)    1.62                41
 09/25/2023   08:18:41   ( -70.94,-130.03) 09/25/2023   08:18:07  ( -70.92,-130.10)    3.09                34
 09/27/2023   19:31:15   ( -71.39,  61.08) 09/27/2023   19:32:26  ( -71.30,  61.84)   29.28                71
 09/27/2023   20:21:54   (  71.02,-130.97) 09/27/2023   20:21:52  (  71.00,-130.95)    1.80                 2
 09/27/2023   21:12:32   ( -70.72,  36.84) 09/27/2023   21:11:19  ( -70.81,  36.41)   18.57                73
 09/30/2023   08:25:04   ( -71.09,-131.87) 09/30/2023   08:25:39  ( -71.09,-131.79)    2.93                35
 09/30/2023   09:15:48   (  70.98,  35.62) 09/30/2023   09:15:02  (  70.95,  35.66)    2.87                46
 10/02/2023   20:28:15   (  71.15,-132.77) 10/02/2023   20:29:22  (  71.14,-132.69)    3.22                67
 10/02/2023   21:18:56   ( -71.00,  34.79) 10/02/2023   21:18:48  ( -71.01,  34.77)    1.56                 8
 10/02/2023   22:09:29   (  70.32,-156.78) 10/02/2023   22:08:20  (  70.37,-158.52)   65.31                69
 10/05/2023   09:22:08   (  71.07,  33.88) 10/05/2023   09:22:31  (  71.07,  33.90)    0.89                23
 10/05/2023   10:12:50   ( -70.98,-158.64) 10/05/2023   10:11:57  ( -70.95,-158.63)    2.73                53