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: 6/7/2025
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 06/07/2025 15:11:27 -70.33, 127.76 132.53 06/07/2025 15:10:19 -70.34, 125.63 132.43 79.64 68
2 06/07/2025 16:02:17 70.54, -65.27 47.69 06/07/2025 16:01:07 70.53, -66.77 47.75 55.70 70
3 06/07/2025 16:53:10 -71.01, 101.27 131.82 06/07/2025 16:52:02 -71.04, 101.33 131.79 3.15 68
4 06/07/2025 17:43:56 71.02, -91.42 48.19 06/07/2025 17:42:54 71.02, -91.42 48.20 0.39 62
5 06/07/2025 18:34:41 -71.07, 75.80 131.77 06/07/2025 18:33:58 -71.06, 75.89 131.77 3.10 43
6 06/07/2025 19:25:26 71.02,-116.81 48.18 06/07/2025 19:24:50 71.04,-116.86 48.21 3.10 36
7 06/07/2025 20:16:11 -71.07, 50.42 131.77 06/07/2025 20:15:54 -71.08, 50.44 131.76 1.36 17
8 06/07/2025 21:06:57 71.08,-142.28 48.24 06/07/2025 21:06:46 71.07,-142.30 48.23 1.40 11
9 06/07/2025 21:57:42 -71.13, 24.95 131.72 06/07/2025 21:57:50 -71.11, 25.00 131.74 2.95 8
10 06/07/2025 22:48:27 71.08,-167.66 48.23 06/07/2025 22:48:42 71.09,-167.74 48.24 3.25 15
11 06/07/2025 23:39:12 -71.13, -0.43 131.72 06/07/2025 23:39:46 -71.13, -0.44 131.73 0.50 34
12 06/08/2025 00:29:58 71.14, 166.87 48.29 06/08/2025 00:30:38 71.12, 166.82 48.26 3.16 40
13 06/08/2025 01:20:42 -71.14, -25.81 131.72 06/08/2025 01:21:42 -71.15, -25.88 131.71 3.33 60
14 06/08/2025 02:11:29 71.19, 141.40 48.34 06/08/2025 02:12:33 71.19, 141.47 48.33 2.36 64
15 06/08/2025 03:02:20 -71.55, -51.92 131.28 06/08/2025 03:03:31 -71.54, -50.67 131.36 43.91 71
16 06/08/2025 03:53:10 71.77, 115.00 48.95 06/08/2025 03:54:19 71.73, 116.97 48.82 68.74 69

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 6/7/2025
SNOs_Map_NOAA-20_NOAA-19_20250607.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 06/07/2025 in txt file.

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