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: 2/14/2025
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 02/14/2025 18:53:34 -71.09, 70.97 96.04 02/14/2025 18:52:25 -71.08, 69.04 95.93 69.91 69
2 02/14/2025 19:44:25 71.34,-122.15 84.22 02/14/2025 19:43:13 71.37,-123.16 84.32 36.27 72
3 02/14/2025 20:35:15 -71.67, 44.59 95.44 02/14/2025 20:34:10 -71.68, 44.66 95.42 3.02 65
4 02/14/2025 21:26:01 71.66,-148.09 84.54 02/14/2025 21:25:04 71.67,-148.09 84.56 0.94 57
5 02/14/2025 22:16:45 -71.68, 19.20 95.46 02/14/2025 22:16:07 -71.68, 19.16 95.45 1.43 38
6 02/14/2025 23:07:32 71.72,-173.57 84.58 02/14/2025 23:07:00 71.71,-173.50 84.57 2.63 32
7 02/14/2025 23:58:16 -71.73, -6.28 95.42 02/14/2025 23:58:03 -71.72, -6.24 95.44 2.12 13
8 02/15/2025 00:49:02 71.72, 161.05 84.56 02/15/2025 00:48:57 71.70, 161.01 84.54 2.69 5
9 02/15/2025 01:39:46 -71.74, -31.67 95.44 02/15/2025 01:39:59 -71.76, -31.65 95.42 2.37 13
10 02/15/2025 02:30:32 71.73, 135.66 84.54 02/15/2025 02:30:53 71.75, 135.60 84.56 2.73 21
11 02/15/2025 03:21:17 -71.80, -57.15 95.40 02/15/2025 03:21:55 -71.80, -57.05 95.41 3.33 38
12 02/15/2025 04:12:03 71.79, 110.18 84.58 02/15/2025 04:12:49 71.79, 110.20 84.57 0.74 46
13 02/15/2025 05:02:47 -71.80, -82.53 95.42 02/15/2025 05:03:52 -71.79, -82.55 95.44 1.25 65
14 02/15/2025 05:53:33 71.79, 84.79 84.56 02/15/2025 05:54:46 71.78, 84.70 84.54 3.52 73
15 02/15/2025 06:44:29 -72.42,-109.10 94.77 02/15/2025 06:45:37 -72.39,-106.85 94.93 75.75 68

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 2/14/2025
SNOs_Map_NOAA-20_NOAA-19_20250214.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 02/14/2025 in txt file.

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