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: 1/27/2025
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,-121.61 88.84 01/29/2025 19:43:14 71.03,-124.08 88.99 89.25 67
2 01/29/2025 20:35:19 -71.75, 44.43 90.40 01/29/2025 20:34:05 -71.75, 44.47 90.39 1.29 74
3 01/29/2025 21:26:05 71.76,-148.27 89.60 01/29/2025 21:24:57 71.74,-148.26 89.60 1.95 68
4 01/29/2025 22:16:49 -71.76, 19.05 90.42 01/29/2025 22:16:02 -71.74, 18.97 90.41 2.99 47
5 01/29/2025 23:07:35 71.77,-173.66 89.59 01/29/2025 23:06:53 71.79,-173.65 89.62 2.74 42
6 01/29/2025 23:58:20 -71.81, -6.43 90.37 01/29/2025 23:57:58 -71.79, -6.42 90.39 2.52 22
7 01/30/2025 00:49:05 71.82, 160.86 89.63 01/30/2025 00:48:48 71.84, 160.95 89.64 3.32 17
8 01/30/2025 01:39:49 -71.82, -31.81 90.39 01/30/2025 01:39:53 -71.83, -31.82 90.37 2.08 4
9 01/30/2025 02:30:35 71.83, 135.48 89.62 01/30/2025 02:30:45 71.83, 135.45 89.62 1.10 10
10 01/30/2025 03:21:20 -71.87, -57.29 90.35 01/30/2025 03:21:49 -71.88, -57.22 90.35 2.56 29
11 01/30/2025 04:12:06 71.88, 110.00 89.66 01/30/2025 04:12:41 71.88, 110.06 89.64 1.97 35
12 01/30/2025 05:02:50 -71.88, -82.67 90.36 01/30/2025 05:03:46 -71.88, -82.71 90.37 1.50 56
13 01/30/2025 05:53:36 71.89, 84.62 89.64 01/30/2025 05:54:38 71.87, 84.56 89.62 2.69 62
14 01/30/2025 06:44:26 -72.19,-108.64 90.04 01/30/2025 06:45:38 -72.12,-107.71 90.17 32.42 72
15 01/30/2025 07:35:16 72.40, 58.25 90.19 01/30/2025 07:36:25 72.37, 60.08 90.05 61.67 69

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/27/2025
SNOs_Map_NOAA-20_NOAA-19_20250127.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 01/27/2025 in txt file.

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