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: 4/26/2025
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 05:02:19 -70.87, -80.82 125.78 05/06/2025 05:01:07 -70.81, -81.96 125.79 42.19 72
2 05/06/2025 05:53:11 71.20, 85.94 54.56 05/06/2025 05:51:56 71.19, 85.97 54.56 1.37 75
3 05/06/2025 06:43:55 -71.18,-106.72 125.47 05/06/2025 06:42:56 -71.20,-106.77 125.45 2.23 59
4 05/06/2025 07:34:41 71.20, 60.56 54.54 05/06/2025 07:33:52 71.21, 60.53 54.56 2.13 49
5 05/06/2025 08:25:26 -71.24,-132.19 125.43 05/06/2025 08:24:52 -71.22,-132.20 125.44 1.32 34
6 05/06/2025 09:16:12 71.25, 35.09 54.58 05/06/2025 09:15:48 71.24, 35.10 54.57 1.17 24
7 05/06/2025 10:06:56 -71.24,-157.57 125.45 05/06/2025 10:06:48 -71.25,-157.63 125.43 2.82 8
8 05/06/2025 10:57:42 71.25, 9.71 54.56 05/06/2025 10:57:44 71.27, 9.66 54.58 2.46 2
9 05/06/2025 11:48:27 -71.29, 176.96 125.41 05/06/2025 11:48:44 -71.28, 176.93 125.43 1.73 17
10 05/06/2025 12:39:12 71.31, -15.76 54.60 05/06/2025 12:39:39 71.30, -15.78 54.58 1.58 27
11 05/06/2025 13:29:56 -71.29, 151.58 125.43 05/06/2025 13:30:39 -71.31, 151.50 125.42 3.45 43
12 05/06/2025 14:20:42 71.31, -41.13 54.58 05/06/2025 14:21:35 71.32, -41.21 54.59 2.99 53
13 05/06/2025 15:11:27 -71.35, 126.12 125.40 05/06/2025 15:12:35 -71.34, 126.06 125.42 2.31 68
14 05/06/2025 16:02:16 71.52, -66.88 54.78 05/06/2025 16:03:29 71.45, -66.46 54.69 16.79 73
15 05/06/2025 16:53:11 -72.07, 99.42 124.65 05/06/2025 16:54:18 -72.02, 101.88 124.78 84.57 67

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 4/26/2025
SNOs_Map_NOAA-20_NOAA-19_20250426.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 04/26/2025 in txt file.

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