Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 1 10.  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)
 01/10/2023   11:30:56   (  70.92,   2.43) 01/10/2023   11:32:05  (  70.82,   3.95)   56.50                69
 01/10/2023   12:21:27   ( -70.26, 170.82) 01/10/2023   12:21:39  ( -70.25, 170.76)    2.75                12
 01/10/2023   13:12:11   (  70.14, -21.69) 01/10/2023   13:11:03  (  70.14, -21.74)    1.95                68
 01/13/2023   00:24:57   (  71.25, 168.39) 01/13/2023   00:26:03  (  71.14, 170.90)   90.76                66
 01/13/2023   01:15:22   ( -70.27, -22.68) 01/13/2023   01:15:42  ( -70.29, -22.72)    2.52                20
 01/13/2023   02:06:06   (  70.16, 144.80) 01/13/2023   02:05:06  (  70.18, 144.78)    2.64                60
 01/15/2023   14:09:17   ( -70.29, 143.80) 01/15/2023   14:09:45  ( -70.31, 143.77)    2.40                28
 01/15/2023   15:00:01   (  70.18, -48.71) 01/15/2023   14:59:09  (  70.19, -48.73)    1.84                52
 01/18/2023   03:03:11   ( -70.31, -49.72) 01/18/2023   03:03:47  ( -70.30, -49.77)    2.56                36
 01/18/2023   03:53:55   (  70.20, 117.76) 01/18/2023   03:53:10  (  70.23, 117.79)    3.41                45
 01/20/2023   15:57:06   ( -70.35, 116.75) 01/20/2023   15:57:49  ( -70.32, 116.73)    3.13                43
 01/20/2023   16:47:50   (  70.24, -75.78) 01/20/2023   16:47:12  (  70.25, -75.72)    2.53                38
 01/23/2023   04:51:01   ( -70.39, -76.80) 01/23/2023   04:51:50  ( -70.37, -76.73)    3.20                49
 01/23/2023   05:41:44   (  70.23,  90.76) 01/23/2023   05:41:14  (  70.24,  90.74)    0.98                30