Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 9 28.  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   ( -71.09,-131.87) 09/30/2023   08:25:38  ( -71.08,-131.81)    2.45                35
 09/30/2023   09:15:47   (  70.97,  35.63) 09/30/2023   09:15:01  (  70.95,  35.65)    2.71                46
 10/02/2023   20:28:15   (  71.14,-132.77) 10/02/2023   20:29:22  (  71.12,-132.71)    3.12                67
 10/02/2023   21:18:56   ( -71.00,  34.79) 10/02/2023   21:18:48  ( -70.99,  34.74)    2.28                 8
 10/02/2023   22:09:29   (  70.31,-156.78) 10/02/2023   22:08:20  (  70.36,-158.54)   66.26                69
 10/05/2023   09:22:08   (  71.07,  33.88) 10/05/2023   09:22:30  (  71.10,  33.94)    3.43                22
 10/05/2023   10:12:50   ( -70.98,-158.65) 10/05/2023   10:11:56  ( -70.97,-158.60)    2.00                54
 10/07/2023   21:25:17   ( -71.12,  33.01) 10/07/2023   21:26:16  ( -71.13,  33.03)    1.84                59
 10/07/2023   22:16:01   (  71.01,-159.50) 10/07/2023   22:15:38  (  71.03,-159.47)    2.32                23
 10/10/2023   09:28:40   (  71.79,  31.03) 10/10/2023   09:29:48  (  71.69,  32.97)   68.21                68
 10/10/2023   10:19:10   ( -71.06,-160.37) 10/10/2023   10:19:23  ( -71.09,-160.34)    3.21                13
 10/10/2023   11:09:54   (  70.96,   7.11) 10/10/2023   11:08:45  (  70.98,   7.15)    2.55                69