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: 6/11/2025
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 -70.74, 25.61 132.67 06/23/2025 21:56:26 -70.73, 25.04 132.64 21.05 73
2 06/23/2025 22:48:28 70.90,-167.34 47.50 06/23/2025 22:47:16 70.91,-167.37 47.53 1.88 72
3 06/23/2025 23:39:13 -70.95, -0.12 132.44 06/23/2025 23:38:18 -70.96, -0.05 132.43 2.41 55
4 06/24/2025 00:29:59 70.95, 167.19 47.57 06/24/2025 00:29:12 70.93, 167.19 47.55 2.18 47
5 06/24/2025 01:20:43 -70.96, -25.50 132.43 06/24/2025 01:20:14 -70.98, -25.50 132.41 2.47 29
6 06/24/2025 02:11:29 70.96, 141.81 47.57 06/24/2025 02:11:08 70.96, 141.74 47.58 2.35 21
7 06/24/2025 03:02:14 -71.01, -50.97 132.37 06/24/2025 03:02:10 -71.00, -50.94 132.39 1.65 4
8 06/24/2025 03:53:00 71.01, 116.34 47.63 06/24/2025 03:53:03 71.03, 116.39 47.65 2.59 3
9 06/24/2025 04:43:44 -71.02, -76.35 132.37 06/24/2025 04:44:06 -71.02, -76.39 132.36 1.48 22
10 06/24/2025 05:34:31 71.07, 90.87 47.70 06/24/2025 05:34:59 71.05, 90.94 47.67 3.42 28
11 06/24/2025 06:25:15 -71.07,-101.82 132.31 06/24/2025 06:26:02 -71.04,-101.83 132.34 3.25 47
12 06/24/2025 07:16:01 71.08, 65.48 47.70 06/24/2025 07:16:55 71.08, 65.50 47.69 0.59 54
13 06/24/2025 08:06:45 -71.08,-127.20 132.30 06/24/2025 08:07:58 -71.07,-127.28 132.32 3.00 73
14 06/24/2025 08:57:35 71.29, 39.74 47.93 06/24/2025 08:58:48 71.25, 40.33 47.86 21.39 73

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 6/11/2025
SNOs_Map_NOAA-20_NOAA-19_20250611.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 06/11/2025 in txt file.

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