Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/22/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 07/02/2025 07:17:32 70.24, 66.72 47.22 07/02/2025 07:16:24 70.26, 64.48 47.35 84.22 68
2 07/02/2025 08:08:27 -70.84,-126.93 132.15 07/02/2025 08:07:13 -70.87,-127.25 132.09 12.15 74
3 07/02/2025 08:59:16 70.98, 40.15 48.00 07/02/2025 08:58:07 70.95, 40.16 47.99 2.99 69
4 07/02/2025 09:50:00 -71.00,-152.57 131.97 07/02/2025 09:49:07 -71.00,-152.52 131.97 2.08 53
5 07/02/2025 10:40:46 70.98, 14.77 48.01 07/02/2025 10:40:03 70.98, 14.71 48.02 2.13 43
6 07/02/2025 11:31:30 -71.01,-177.95 131.96 07/02/2025 11:31:03 -71.02,-177.97 131.95 1.18 27
7 07/02/2025 12:22:17 71.04, -10.70 48.08 07/02/2025 12:21:58 71.05, -10.64 48.09 2.44 19
8 07/02/2025 13:13:01 -71.06, 156.58 131.90 07/02/2025 13:12:59 -71.04, 156.59 131.92 2.76 2
9 07/02/2025 14:03:47 71.04, -36.08 48.09 07/02/2025 14:03:54 71.07, -36.09 48.11 3.07 7
10 07/02/2025 14:54:31 -71.07, 131.20 131.89 07/02/2025 14:54:55 -71.06, 131.14 131.90 2.24 24
11 07/02/2025 15:45:18 71.10, -61.55 48.15 07/02/2025 15:45:50 71.09, -61.53 48.14 1.05 32
12 07/02/2025 16:36:02 -71.12, 105.73 131.82 07/02/2025 16:36:50 -71.13, 105.78 131.83 2.29 48
13 07/02/2025 17:26:48 71.10, -86.93 48.16 07/02/2025 17:27:46 71.12, -86.98 48.17 2.02 58
14 07/02/2025 18:17:33 -71.18, 80.26 131.76 07/02/2025 18:18:46 -71.15, 80.34 131.80 3.91 73
15 07/02/2025 19:08:25 71.47,-112.95 48.56 07/02/2025 19:09:36 71.44,-111.86 48.48 38.48 71

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 6/22/2025
SNOs_Map_NOAA-21_NOAA-19_20250623.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 06/22/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and NOAA-19