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: 1/29/2025
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 01/29/2025 19:44:21 71.03,-121.62 88.84 01/29/2025 19:43:14 71.03,-124.09 88.99 89.31 67
2 01/29/2025 20:35:19 -71.76, 44.42 90.40 01/29/2025 20:34:05 -71.74, 44.46 90.39 1.98 74
3 01/29/2025 21:26:05 71.76,-148.28 89.61 01/29/2025 21:24:57 71.74,-148.27 89.60 2.78 68
4 01/29/2025 22:16:49 -71.76, 19.04 90.41 01/29/2025 22:16:01 -71.79, 19.06 90.37 3.07 48
5 01/29/2025 23:07:35 71.77,-173.66 89.59 01/29/2025 23:06:53 71.79,-173.66 89.62 1.85 42
6 01/29/2025 23:58:19 -71.77, -6.34 90.42 01/29/2025 23:57:58 -71.78, -6.44 90.40 3.75 21
7 01/30/2025 00:49:06 71.82, 160.86 89.64 01/30/2025 00:48:49 71.83, 160.94 89.64 2.93 17
8 01/30/2025 01:39:50 -71.82, -31.82 90.38 01/30/2025 01:39:54 -71.83, -31.83 90.38 0.86 4
9 01/30/2025 02:30:35 71.83, 135.47 89.62 01/30/2025 02:30:45 71.83, 135.44 89.62 1.14 10
10 01/30/2025 03:21:20 -71.88, -57.30 90.34 01/30/2025 03:21:49 -71.87, -57.23 90.36 2.40 29
11 01/30/2025 04:12:06 71.89, 110.00 89.66 01/30/2025 04:12:41 71.87, 110.05 89.64 2.40 35
12 01/30/2025 05:02:50 -71.88, -82.68 90.36 01/30/2025 05:03:46 -71.87, -82.73 90.38 2.17 56
13 01/30/2025 05:53:36 71.89, 84.61 89.65 01/30/2025 05:54:37 71.92, 84.65 89.66 3.22 61
14 01/30/2025 06:44:26 -72.19,-108.65 90.04 01/30/2025 06:45:38 -72.12,-107.73 90.18 32.70 72
15 01/30/2025 07:35:16 72.41, 58.24 90.19 01/30/2025 07:36:25 72.37, 60.07 90.04 61.66 69

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/29/2025
SNOs_Map_NOAA-20_NOAA-19_20250129.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 01/29/2025 in txt file.

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