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: 5/6/2025
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 05/06/2025 05:02:18 -70.84, -80.76 125.82 05/06/2025 05:01:06 -70.85, -81.90 125.76 41.47 72
2 05/06/2025 05:53:11 71.20, 85.92 54.57 05/06/2025 05:51:56 71.18, 85.95 54.55 2.75 75
3 05/06/2025 06:43:55 -71.20,-106.76 125.45 05/06/2025 06:42:56 -71.18,-106.80 125.46 2.68 59
4 05/06/2025 07:34:41 71.21, 60.54 54.55 05/06/2025 07:33:52 71.21, 60.52 54.56 0.96 49
5 05/06/2025 08:25:26 -71.26,-132.23 125.41 05/06/2025 08:24:51 -71.26,-132.14 125.41 3.18 35
6 05/06/2025 09:16:12 71.26, 35.08 54.59 05/06/2025 09:15:48 71.24, 35.08 54.56 2.72 24
7 05/06/2025 10:06:56 -71.26,-157.60 125.43 05/06/2025 10:06:48 -71.24,-157.66 125.45 3.13 8
8 05/06/2025 10:57:42 71.26, 9.70 54.57 05/06/2025 10:57:44 71.26, 9.65 54.57 1.76 2
9 05/06/2025 11:48:27 -71.31, 176.93 125.39 05/06/2025 11:48:43 -71.32, 177.00 125.39 2.44 16
10 05/06/2025 12:39:13 71.32, -15.77 54.61 05/06/2025 12:39:40 71.29, -15.79 54.58 2.96 27
11 05/06/2025 13:29:57 -71.31, 151.55 125.41 05/06/2025 13:30:39 -71.34, 151.56 125.39 3.41 42
12 05/06/2025 14:20:43 71.32, -41.15 54.59 05/06/2025 14:21:36 71.32, -41.22 54.58 2.57 53
13 05/06/2025 15:11:28 -71.37, 126.08 125.38 05/06/2025 15:12:35 -71.37, 126.13 125.38 1.75 67
14 05/06/2025 16:02:17 71.53, -66.90 54.79 05/06/2025 16:03:30 71.45, -66.47 54.68 17.59 73
15 05/06/2025 16:53:11 -72.04, 99.48 124.68 05/06/2025 16:54:19 -72.01, 101.85 124.80 81.46 68

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 5/6/2025
SNOs_Map_NOAA-20_NOAA-19_20250506.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 05/06/2025 in txt file.

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