Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 6.  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)
 12/08/2022   00:16:16   (  70.35, 172.07) 12/08/2022   00:17:28  (  70.31, 172.18)    5.87                72
 12/08/2022   01:06:38   ( -70.19, -20.29) 12/08/2022   01:06:54  ( -70.22, -20.30)    3.41                16
 12/08/2022   01:57:22   (  70.11, 147.15) 12/08/2022   01:56:17  (  70.12, 147.22)    3.31                65
 12/10/2022   21:24:23   (  70.31,-144.90) 12/10/2022   21:25:25  (  70.31,-144.84)    2.27                62
 12/10/2022   22:14:46   ( -70.20,  22.67) 12/10/2022   22:14:51  ( -70.22,  22.68)    1.78                 5
 12/10/2022   23:05:28   (  70.02,-169.74) 12/10/2022   23:04:15  (  70.07,-169.87)    6.88                73
 12/13/2022   18:32:31   (  70.29,-101.88) 12/13/2022   18:33:23  (  70.28,-101.88)    1.00                52
 12/13/2022   19:22:55   ( -70.22,  65.63) 12/13/2022   19:22:49  ( -70.19,  65.64)    2.60                 6
 12/13/2022   20:13:29   (  69.63,-126.18) 12/13/2022   20:12:19  (  69.71,-127.37)   46.94                70
 12/16/2022   15:40:39   (  70.28, -58.89) 12/16/2022   15:41:20  (  70.29, -58.88)    1.43                41
 12/16/2022   16:31:03   ( -70.18, 108.66) 12/16/2022   16:30:46  ( -70.20, 108.64)    2.55                17
 12/16/2022   17:21:30   (  69.24, -82.65) 12/16/2022   17:20:24  (  69.28, -84.95)   90.74                66
 12/19/2022   12:48:46   (  70.28, -15.91) 12/19/2022   12:49:16  (  70.28, -15.90)    0.49                30
 12/19/2022   13:39:11   ( -70.20, 151.61) 12/19/2022   13:38:42  ( -70.19, 151.61)    1.11                29