Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 5 12.  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)
 05/12/2023   03:14:41   (  70.57, 126.72) 05/12/2023   03:14:58  (  70.56, 126.65)    3.03                17
 05/12/2023   04:05:23   ( -70.49, -65.83) 05/12/2023   04:04:22  ( -70.51, -65.77)    2.54                61
 05/14/2023   15:17:53   ( -70.67, 125.76) 05/14/2023   15:19:02  ( -70.66, 125.75)    1.34                69
 05/14/2023   16:08:37   (  70.55, -66.73) 05/14/2023   16:08:25  (  70.58, -66.71)    2.93                12
 05/14/2023   16:59:09   ( -69.94, 101.53) 05/14/2023   16:57:59  ( -69.98, 100.09)   55.24                70
 05/17/2023   04:11:48   ( -70.66, -67.70) 05/17/2023   04:12:28  ( -70.65, -67.65)    1.91                40
 05/17/2023   05:02:32   (  70.54,  99.80) 05/17/2023   05:01:51  (  70.56,  99.88)    3.57                41
 05/19/2023   16:15:13   (  71.31, -69.61) 05/19/2023   16:16:21  (  71.19, -67.86)   63.89                68
 05/19/2023   17:05:43   ( -70.60,  98.91) 05/19/2023   17:05:55  ( -70.60,  98.90)    0.83                12
 05/19/2023   17:56:27   (  70.48, -93.59) 05/19/2023   17:55:18  (  70.51, -93.59)    2.68                69
 05/22/2023   05:08:57   (  70.69,  97.95) 05/22/2023   05:09:56  (  70.66,  97.95)    3.10                59
 05/22/2023   05:59:39   ( -70.60, -94.58) 05/22/2023   05:59:21  ( -70.58, -94.53)    3.30                18
 05/24/2023   18:02:52   (  70.66, -95.47) 05/24/2023   18:03:21  (  70.65, -95.45)    1.00                29
 05/24/2023   18:53:33   ( -70.51,  72.08) 05/24/2023   18:52:47  ( -70.51,  72.00)    3.06                46