Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 5 8.  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)
 05/09/2023   14:20:46   (  70.64, -39.89) 05/09/2023   14:21:29  (  70.63, -39.85)    1.94                43
 05/09/2023   15:11:27   ( -70.50, 127.64) 05/09/2023   15:10:54  ( -70.53, 127.65)    2.41                33
 05/12/2023   02:24:13   ( -71.56, -42.26) 05/12/2023   02:25:19  ( -71.47, -39.59)   94.44                66
 05/12/2023   03:14:40   (  70.55, 126.75) 05/12/2023   03:14:57  (  70.57, 126.67)    3.57                17
 05/12/2023   04:05:22   ( -70.47, -65.79) 05/12/2023   04:04:22  ( -70.47, -65.82)    1.07                60
 05/14/2023   15:17:52   ( -70.65, 125.80) 05/14/2023   15:19:01  ( -70.68, 125.78)    3.26                69
 05/14/2023   16:08:36   (  70.53, -66.70) 05/14/2023   16:08:25  (  70.53, -66.77)    2.78                11
 05/14/2023   16:59:08   ( -69.92, 101.57) 05/14/2023   16:57:58  ( -69.99, 100.11)   56.21                70
 05/17/2023   04:11:48   ( -70.63, -67.66) 05/17/2023   04:12:28  ( -70.66, -67.63)    3.33                40
 05/17/2023   05:02:32   (  70.52,  99.83) 05/17/2023   05:01:52  (  70.51,  99.81)    1.34                40
 05/19/2023   16:15:13   (  71.29, -69.57) 05/19/2023   16:16:21  (  71.19, -67.86)   62.35                68
 05/19/2023   17:05:44   ( -70.63,  98.87) 05/19/2023   17:05:55  ( -70.61,  98.91)    2.34                11
 05/19/2023   17:56:28   (  70.51, -93.65) 05/19/2023   17:55:18  (  70.51, -93.58)    2.47                70