Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 9 25.  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,  62.42) 09/25/2023   07:28:41  (  71.06,  62.46)    1.68                41
 09/25/2023   08:18:41   ( -70.94,-130.04) 09/25/2023   08:18:06  ( -70.97,-130.03)    3.14                35
 09/27/2023   19:31:15   ( -71.40,  61.07) 09/27/2023   19:32:26  ( -71.27,  61.81)   30.01                71
 09/27/2023   20:21:54   (  71.02,-130.97) 09/27/2023   20:21:51  (  71.04,-130.90)    3.12                 3
 09/27/2023   21:12:32   ( -70.73,  36.83) 09/27/2023   21:11:19  ( -70.78,  36.37)   17.82                73
 09/30/2023   08:25:03   ( -71.05,-131.81) 09/30/2023   08:25:39  ( -71.04,-131.86)    2.17                36
 09/30/2023   09:15:47   (  70.93,  35.70) 09/30/2023   09:15:01  (  70.96,  35.67)    3.25                46
 10/02/2023   20:28:14   (  71.11,-132.71) 10/02/2023   20:29:21  (  71.12,-132.72)    0.59                67
 10/02/2023   21:18:56   ( -71.02,  34.76) 10/02/2023   21:18:46  ( -71.04,  34.82)    3.34                10
 10/02/2023   22:09:28   (  70.28,-156.72) 10/02/2023   22:08:20  (  70.29,-158.63)   71.41                68
 10/05/2023   09:22:07   (  71.05,  33.93) 10/05/2023   09:22:29  (  71.06,  33.89)    2.15                22
 10/05/2023   10:12:49   ( -70.95,-158.60) 10/05/2023   10:11:55  ( -70.94,-158.64)    1.88                54
 10/07/2023   21:25:17   ( -71.15,  32.97) 10/07/2023   21:26:14  ( -71.12,  33.02)    3.14                57
 10/07/2023   22:16:00   (  70.99,-159.46) 10/07/2023   22:15:36  (  71.02,-159.48)    2.83                24