Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 17.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/28/2025   06:44:46   ( -70.79,-105.90) 04/28/2025   06:43:36  ( -70.78,-107.80)   69.28                70
 04/28/2025   07:35:39   (  71.19,  60.74) 04/28/2025   07:34:26  (  71.21,  60.22)   18.78                73
 04/28/2025   08:26:27   ( -71.38,-132.27) 04/28/2025   08:25:21  ( -71.37,-132.24)    1.72                66
 04/28/2025   09:17:12   (  71.36,  35.07) 04/28/2025   09:16:19  (  71.39,  35.06)    3.56                53
 04/28/2025   10:07:57   ( -71.39,-157.67) 04/28/2025   10:07:17  ( -71.40,-157.67)    0.75                40
 04/28/2025   10:58:43   (  71.42,   9.58) 04/28/2025   10:58:15  (  71.42,   9.63)    1.85                28
 04/28/2025   11:49:27   ( -71.40, 176.93) 04/28/2025   11:49:13  ( -71.42, 176.90)    2.71                14
 04/28/2025   12:40:13   (  71.44, -15.82) 04/28/2025   12:40:11  (  71.45, -15.80)    1.22                 2
 04/28/2025   13:30:58   ( -71.47, 151.44) 04/28/2025   13:31:09  ( -71.45, 151.47)    1.79                11
 04/28/2025   14:21:43   (  71.45, -41.21) 04/28/2025   14:22:07  (  71.47, -41.23)    2.87                24
 04/28/2025   15:12:28   ( -71.48, 126.05) 04/28/2025   15:13:05  ( -71.48, 126.04)    0.34                37
 04/28/2025   16:03:14   (  71.51, -66.70) 04/28/2025   16:04:03  (  71.50, -66.67)    1.85                49
 04/28/2025   16:53:58   ( -71.49, 100.65) 04/28/2025   16:55:01  ( -71.51, 100.61)    2.45                63
 04/28/2025   17:44:45   (  71.58, -92.19) 04/28/2025   17:45:59  (  71.53, -92.10)    6.37                74
 04/28/2025   18:35:38   ( -72.02,  74.31) 04/28/2025   18:36:48  ( -71.99,  76.05)   59.97                70