Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 9 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)
 09/30/2023   08:25:03   ( -71.06,-131.83) 09/30/2023   08:25:39  ( -71.05,-131.85)    1.22                36
 09/30/2023   09:15:47   (  70.94,  35.68) 09/30/2023   09:15:02  (  70.92,  35.61)    3.17                45
 10/02/2023   20:28:15   (  71.11,-132.71) 10/02/2023   20:29:23  (  71.10,-132.75)    1.78                68
 10/02/2023   21:18:57   ( -71.03,  34.75) 10/02/2023   21:18:48  ( -71.02,  34.78)    1.21                 9
 10/02/2023   22:09:29   (  70.28,-156.73) 10/02/2023   22:08:21  (  70.33,-158.58)   69.56                68
 10/05/2023   09:22:08   (  71.09,  33.85) 10/05/2023   09:22:30  (  71.08,  33.91)    2.73                22
 10/05/2023   10:12:49   ( -70.95,-158.60) 10/05/2023   10:11:56  ( -70.95,-158.63)    1.38                53
 10/07/2023   21:25:17   ( -71.14,  32.98) 10/07/2023   21:26:16  ( -71.12,  33.00)    2.18                59
 10/07/2023   22:16:01   (  71.03,-159.52) 10/07/2023   22:15:38  (  71.02,-159.49)    1.77                23
 10/10/2023   09:28:40   (  71.80,  31.01) 10/10/2023   09:29:48  (  71.68,  32.95)   68.79                68
 10/10/2023   10:19:10   ( -71.08,-160.40) 10/10/2023   10:19:23  ( -71.08,-160.37)    1.09                13
 10/10/2023   11:09:54   (  70.98,   7.09) 10/10/2023   11:08:45  (  70.97,   7.13)    1.68                69
 10/12/2023   22:22:21   (  71.13,-161.28) 10/12/2023   22:23:04  (  71.11,-161.27)    2.46                43
 10/12/2023   23:13:03   ( -71.03,   6.21) 10/12/2023   23:12:30  ( -71.01,   6.22)    2.91                33