Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-19 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/5/2025
Index Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 03/15/2025 03:21:47 71.02, 122.19 73.26 03/15/2025 03:22:55 71.07, 124.16 73.20 71.55 68
2 03/15/2025 04:12:34 -71.50, -69.68 106.33 03/15/2025 04:13:48 -71.57, -69.38 106.29 12.56 74
3 03/15/2025 05:03:32 71.62, 97.80 73.77 03/15/2025 05:04:35 71.60, 97.86 73.74 3.08 63
4 03/15/2025 05:54:28 -71.64, -94.90 106.23 03/15/2025 05:55:19 -71.63, -94.87 106.26 1.89 51
5 03/15/2025 06:45:28 71.66, 72.38 73.78 03/15/2025 06:46:06 71.66, 72.37 73.78 0.64 38
6 03/15/2025 07:36:24 -71.68,-120.32 106.22 03/15/2025 07:36:50 -71.69,-120.36 106.22 1.85 26
7 03/15/2025 08:27:24 71.70, 46.97 73.79 03/15/2025 08:27:36 71.67, 46.98 73.76 2.70 12
8 03/15/2025 09:18:20 -71.72,-145.73 106.22 03/15/2025 09:18:20 -71.70,-145.75 106.23 1.98 0
9 03/15/2025 10:09:20 71.74, 21.56 73.79 03/15/2025 10:09:07 71.74, 21.49 73.80 2.43 13
10 03/15/2025 11:00:16 -71.75,-171.14 106.21 03/15/2025 10:59:51 -71.76,-171.24 106.20 3.37 25
11 03/15/2025 11:51:16 71.72, -3.95 73.75 03/15/2025 11:50:36 71.75, -3.90 73.78 3.00 40
12 03/15/2025 12:42:11 -71.79, 163.44 106.21 03/15/2025 12:41:20 -71.77, 163.37 106.21 3.35 51
13 03/15/2025 13:33:12 71.76, -29.36 73.76 03/15/2025 13:32:06 71.76, -29.30 73.76 2.36 66
14 03/15/2025 14:24:06 -71.88, 138.13 106.16 03/15/2025 14:22:52 -71.88, 137.79 106.12 11.87 74
15 03/15/2025 15:14:56 72.41, -53.56 74.32 03/15/2025 15:13:48 72.38, -55.87 74.41 77.58 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/5/2025
SNOs_Map_NOAA-19_NPP_20250305.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/05/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP