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: 6/13/2025
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 06/23/2025 21:57:39 -70.76, 25.58 132.65 06/23/2025 21:56:25 -70.79, 25.14 132.59 16.39 74
2 06/23/2025 22:48:28 70.92,-167.37 47.52 06/23/2025 22:47:16 70.92,-167.35 47.54 0.72 72
3 06/23/2025 23:39:12 -70.92, -0.06 132.47 06/23/2025 23:38:19 -70.91, -0.13 132.47 2.66 53
4 06/24/2025 00:29:58 70.92, 167.25 47.53 06/24/2025 00:29:12 70.94, 167.20 47.56 2.83 46
5 06/24/2025 01:20:43 -70.98, -25.53 132.41 06/24/2025 01:20:14 -70.98, -25.48 132.40 1.86 29
6 06/24/2025 02:11:29 70.98, 141.78 47.59 06/24/2025 02:11:08 70.96, 141.76 47.58 1.68 21
7 06/24/2025 03:02:13 -70.98, -50.91 132.40 06/24/2025 03:02:10 -71.01, -50.93 132.38 2.65 3
8 06/24/2025 03:52:59 70.98, 116.39 47.60 06/24/2025 03:53:04 70.99, 116.31 47.61 2.95 5
9 06/24/2025 04:43:44 -71.04, -76.38 132.34 06/24/2025 04:44:06 -71.03, -76.38 132.36 1.36 22
10 06/24/2025 05:34:30 71.04, 90.92 47.66 06/24/2025 05:34:59 71.06, 90.96 47.68 2.64 29
11 06/24/2025 06:25:14 -71.04,-101.77 132.34 06/24/2025 06:26:02 -71.05,-101.82 132.34 1.99 48
12 06/24/2025 07:16:01 71.10, 65.45 47.73 06/24/2025 07:16:55 71.08, 65.52 47.70 2.79 54
13 06/24/2025 08:06:45 -71.10,-127.24 132.27 06/24/2025 08:07:57 -71.12,-127.17 132.27 3.30 72
14 06/24/2025 08:57:35 71.31, 39.71 47.95 06/24/2025 08:58:48 71.26, 40.35 47.86 23.46 73

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 6/13/2025
SNOs_Map_NOAA-20_NOAA-19_20250613.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 06/13/2025 in txt file.

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