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: 1/3/2025
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 01/13/2025 20:35:03 -71.34, 45.22 87.27 01/13/2025 20:33:53 -71.33, 43.43 87.18 63.57 70
2 01/13/2025 21:25:53 71.57,-147.89 92.98 01/13/2025 21:24:41 71.59,-148.81 93.06 32.43 72
3 01/13/2025 22:16:43 -71.85, 18.90 86.73 01/13/2025 22:15:40 -71.83, 18.89 86.73 2.30 63
4 01/13/2025 23:07:28 71.83,-173.74 93.25 01/13/2025 23:06:33 71.84,-173.81 93.27 2.92 55
5 01/13/2025 23:58:13 -71.86, -6.48 86.74 01/13/2025 23:57:36 -71.88, -6.50 86.70 2.83 37
6 01/14/2025 00:48:59 71.88, 160.78 93.29 01/14/2025 00:48:29 71.89, 160.80 93.30 0.80 30
7 01/14/2025 01:39:44 -71.91, -31.95 86.69 01/14/2025 01:39:32 -71.93, -31.89 86.67 2.87 12
8 01/14/2025 02:30:30 71.94, 135.31 93.34 01/14/2025 02:30:25 71.94, 135.40 93.34 3.31 5
9 01/14/2025 03:21:14 -71.92, -57.33 86.70 01/14/2025 03:21:29 -71.93, -57.38 86.69 2.16 15
10 01/14/2025 04:12:00 71.94, 109.93 93.33 01/14/2025 04:12:22 71.94, 109.91 93.32 1.01 22
11 01/14/2025 05:02:45 -71.97, -82.81 86.65 01/14/2025 05:03:25 -71.98, -82.77 86.66 1.35 40
12 01/14/2025 05:53:31 72.00, 84.45 93.38 01/14/2025 05:54:18 71.98, 84.52 93.35 2.93 47
13 01/14/2025 06:44:15 -71.97,-108.19 86.66 01/14/2025 06:45:22 -71.97,-108.27 86.67 2.56 67
14 01/14/2025 07:35:01 72.00, 59.07 93.37 01/14/2025 07:36:15 71.98, 59.03 93.33 2.80 74
15 01/14/2025 08:25:59 -72.69,-134.98 85.90 01/14/2025 08:27:06 -72.62,-132.42 86.09 85.04 67

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/3/2025
SNOs_Map_NOAA-20_NOAA-19_20250103.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 01/03/2025 in txt file.

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