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: 1/23/2025
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 71.04,-121.63 88.85 01/29/2025 19:43:14 71.02,-124.09 88.98 88.90 67
2 01/29/2025 20:35:19 -71.76, 44.41 90.39 01/29/2025 20:34:05 -71.74, 44.46 90.40 2.72 74
3 01/29/2025 21:26:04 71.72,-148.21 89.56 01/29/2025 21:24:57 71.73,-148.27 89.59 2.53 67
4 01/29/2025 22:16:49 -71.77, 19.03 90.40 01/29/2025 22:16:01 -71.79, 19.06 90.37 2.60 48
5 01/29/2025 23:07:35 71.78,-173.68 89.61 01/29/2025 23:06:53 71.78,-173.67 89.61 0.51 42
6 01/29/2025 23:58:19 -71.77, -6.35 90.42 01/29/2025 23:57:58 -71.78, -6.43 90.40 3.12 21
7 01/30/2025 00:49:06 71.84, 160.84 89.65 01/30/2025 00:48:49 71.83, 160.93 89.64 3.54 17
8 01/30/2025 01:39:50 -71.83, -31.83 90.38 01/30/2025 01:39:54 -71.83, -31.83 90.38 0.16 4
9 01/30/2025 02:30:36 71.84, 135.45 89.63 01/30/2025 02:30:46 71.82, 135.44 89.61 2.37 10
10 01/30/2025 03:21:21 -71.88, -57.31 90.34 01/30/2025 03:21:50 -71.87, -57.23 90.36 2.95 29
11 01/30/2025 04:12:06 71.85, 110.07 89.62 01/30/2025 04:12:42 71.87, 110.04 89.63 2.51 36
12 01/30/2025 05:02:51 -71.89, -82.69 90.35 01/30/2025 05:03:47 -71.87, -82.72 90.38 2.34 56
13 01/30/2025 05:53:37 71.90, 84.59 89.66 01/30/2025 05:54:38 71.91, 84.64 89.65 2.12 61
14 01/30/2025 06:44:27 -72.20,-108.66 90.03 01/30/2025 06:45:39 -72.12,-107.72 90.18 33.26 72
15 01/30/2025 07:35:17 72.42, 58.22 90.21 01/30/2025 07:36:26 72.36, 60.06 90.04 62.32 69

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/23/2025
SNOs_Map_NOAA-20_NOAA-19_20250123.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 01/23/2025 in txt file.

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