Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/10/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 07/10/2025 06:25:47 -70.27,-100.67 131.92 07/10/2025 06:24:37 -70.30,-102.36 131.79 63.31 70
2 07/10/2025 07:16:41 70.66, 66.01 48.50 07/10/2025 07:15:28 70.66, 65.49 48.54 19.15 73
3 07/10/2025 08:07:28 -70.85,-126.98 131.30 07/10/2025 08:06:23 -70.84,-126.94 131.29 1.70 65
4 07/10/2025 08:58:14 70.82, 40.37 48.68 07/10/2025 08:57:21 70.83, 40.31 48.71 2.86 53
5 07/10/2025 09:48:58 -70.85,-152.36 131.28 07/10/2025 09:48:19 -70.86,-152.39 131.26 1.36 39
6 07/10/2025 10:39:45 70.87, 14.91 48.75 07/10/2025 10:39:17 70.85, 14.86 48.74 2.75 28
7 07/10/2025 11:30:29 -70.91,-177.83 131.21 07/10/2025 11:30:15 -70.88,-177.84 131.24 3.05 14
8 07/10/2025 12:21:16 70.93, -10.56 48.82 07/10/2025 12:21:12 70.93, -10.49 48.82 2.55 4
9 07/10/2025 13:11:59 -70.91, 156.79 131.20 07/10/2025 13:12:11 -70.90, 156.72 131.21 2.95 12
10 07/10/2025 14:02:46 70.94, -35.94 48.84 07/10/2025 14:03:08 70.95, -35.94 48.84 1.42 22
11 07/10/2025 14:53:30 -70.97, 131.32 131.13 07/10/2025 14:54:06 -70.97, 131.36 131.13 1.42 36
12 07/10/2025 15:44:17 70.99, -61.41 48.91 07/10/2025 15:45:04 70.97, -61.39 48.87 2.69 47
13 07/10/2025 16:35:00 -70.97, 105.94 131.12 07/10/2025 16:36:02 -70.99, 105.91 131.11 2.54 62
14 07/10/2025 17:25:47 71.00, -86.80 48.92 07/10/2025 17:27:00 70.99, -86.83 48.90 1.53 73
15 07/10/2025 18:16:40 -71.49, 79.66 130.55 07/10/2025 18:17:50 -71.42, 81.20 130.70 55.03 70

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/10/2025
SNOs_Map_NOAA-20_NOAA-19_20250710.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 07/10/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and NOAA-19