Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 22.  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   06:44:47   ( -70.79,-105.91) 04/28/2025   06:43:37  ( -70.78,-107.79)   68.95                70
 04/28/2025   07:35:41   (  71.24,  60.65) 04/28/2025   07:34:27  (  71.22,  60.23)   15.31                74
 04/28/2025   08:26:28   ( -71.38,-132.28) 04/28/2025   08:25:22  ( -71.37,-132.23)    1.98                66
 04/28/2025   09:17:13   (  71.35,  35.07) 04/28/2025   09:16:21  (  71.35,  34.98)    3.34                52
 04/28/2025   10:07:58   ( -71.39,-157.68) 04/28/2025   10:07:18  ( -71.40,-157.66)    0.97                40
 04/28/2025   10:58:44   (  71.42,   9.59) 04/28/2025   10:58:16  (  71.43,   9.64)    2.27                28
 04/28/2025   11:49:28   ( -71.40, 176.93) 04/28/2025   11:49:14  ( -71.43, 176.91)    2.75                14
 04/28/2025   12:40:14   (  71.43, -15.81) 04/28/2025   12:40:12  (  71.46, -15.79)    2.77                 2
 04/28/2025   13:30:59   ( -71.47, 151.44) 04/28/2025   13:31:10  ( -71.46, 151.48)    1.84                11
 04/28/2025   14:21:45   (  71.50, -41.30) 04/28/2025   14:22:08  (  71.48, -41.22)    3.16                23
 04/28/2025   15:12:28   ( -71.48, 126.04) 04/28/2025   15:13:05  ( -71.49, 126.04)    0.53                37
 04/28/2025   16:03:14   (  71.51, -66.70) 04/28/2025   16:04:03  (  71.51, -66.65)    1.63                49
 04/28/2025   16:53:58   ( -71.49, 100.65) 04/28/2025   16:55:01  ( -71.52, 100.61)    2.56                63
 04/28/2025   17:44:45   (  71.57, -92.19) 04/28/2025   17:45:59  (  71.54, -92.08)    5.21                74
 04/28/2025   18:35:38   ( -72.02,  74.30) 04/28/2025   18:36:48  ( -72.00,  76.06)   60.31                70