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: 6/4/2025
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 06/04/2025 04:45:49 71.21, 103.11 48.74 06/04/2025 04:46:45 71.24, 103.13 48.76 3.26 56
2 06/04/2025 05:36:53 -71.25, -89.59 131.23 06/04/2025 05:37:30 -71.28, -89.62 131.21 3.05 37
3 06/04/2025 06:27:45 71.24, 77.67 48.75 06/04/2025 06:28:15 71.24, 77.75 48.75 3.12 30
4 06/04/2025 07:18:49 -71.28,-115.03 131.22 06/04/2025 07:19:00 -71.28,-115.00 131.22 1.14 11
5 06/04/2025 08:09:40 71.31, 52.32 48.81 06/04/2025 08:09:46 71.30, 52.28 48.80 2.06 6
6 06/04/2025 09:00:45 -71.30,-140.47 131.20 06/04/2025 09:00:30 -71.28,-140.38 131.22 3.77 15
7 06/04/2025 09:51:36 71.33, 26.88 48.83 06/04/2025 09:51:17 71.35, 26.81 48.85 3.06 19
8 06/04/2025 10:42:41 -71.32,-165.91 131.19 06/04/2025 10:42:01 -71.34,-165.85 131.17 2.59 40
9 06/04/2025 11:33:32 71.36, 1.44 48.84 06/04/2025 11:32:47 71.35, 1.43 48.85 0.60 45
10 06/04/2025 12:24:36 -71.40, 168.75 131.13 06/04/2025 12:23:32 -71.39, 168.68 131.12 2.40 64
11 06/04/2025 13:15:28 71.38, -24.00 48.86 06/04/2025 13:14:18 71.41, -24.04 48.90 3.18 70
12 06/04/2025 14:06:22 -71.93, 144.27 130.63 06/04/2025 14:05:12 -71.91, 142.37 130.58 65.73 70
13 06/04/2025 14:57:09 72.17, -47.97 49.60 06/04/2025 14:56:02 72.13, -50.75 49.66 94.86 67

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 6/4/2025
SNOs_Map_NOAA-19_NPP_20250604.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 06/04/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP