Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 7.  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)
 05/14/2025   13:31:25   ( -70.93, 152.21) 05/14/2025   13:30:13  ( -70.88, 151.04)   42.89                72
 05/14/2025   14:22:16   (  71.18, -40.91) 05/14/2025   14:21:02  (  71.15, -41.21)   11.19                74
 05/14/2025   15:13:02   ( -71.29, 126.21) 05/14/2025   15:12:02  ( -71.26, 126.24)    3.40                60
 05/14/2025   16:03:48   (  71.29, -66.47) 05/14/2025   16:02:56  (  71.28, -66.46)    0.99                52
 05/14/2025   16:54:32   ( -71.29, 100.83) 05/14/2025   16:53:58  ( -71.29, 100.80)    1.28                34
 05/14/2025   17:45:17   (  71.29, -91.85) 05/14/2025   17:44:51  (  71.30, -91.90)    2.56                26
 05/14/2025   18:36:02   ( -71.35,  75.37) 05/14/2025   18:35:53  ( -71.32,  75.37)    3.37                 9
 05/14/2025   19:26:48   (  71.34,-117.32) 05/14/2025   19:26:47  (  71.33,-117.33)    1.37                 1
 05/14/2025   20:17:32   ( -71.35,  49.99) 05/14/2025   20:17:49  ( -71.34,  49.93)    2.20                17
 05/14/2025   21:08:18   (  71.34,-142.69) 05/14/2025   21:08:43  (  71.36,-142.77)    3.20                25
 05/14/2025   21:59:03   ( -71.40,  24.52) 05/14/2025   21:59:44  ( -71.42,  24.59)    3.20                41
 05/14/2025   22:49:49   (  71.40,-168.16) 05/14/2025   22:50:39  (  71.38,-168.21)    2.21                50
 05/14/2025   23:40:33   ( -71.40,  -0.85) 05/14/2025   23:41:41  ( -71.40,  -0.94)    3.10                68
 05/15/2025   00:31:21   (  71.50, 166.28) 05/15/2025   00:32:34  (  71.46, 166.45)    7.60                73
 05/15/2025   01:22:17   ( -72.12, -27.56) 05/15/2025   01:23:24  ( -72.08, -25.12)   83.51                67