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: 5/8/2025
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 05/18/2025 20:17:43 70.48,-131.39 50.76 05/18/2025 20:18:49 70.53,-128.80 50.72 96.14 66
2 05/18/2025 21:08:33 -71.16, 37.02 128.61 05/18/2025 21:09:47 -71.24, 37.33 128.55 13.76 74
3 05/18/2025 21:59:23 71.28,-155.49 51.50 05/18/2025 22:00:32 71.26,-155.41 51.47 3.51 69
4 05/18/2025 22:50:26 -71.29, 11.77 128.50 05/18/2025 22:51:17 -71.29, 11.86 128.51 3.19 51
5 05/18/2025 23:41:19 71.31, 179.08 51.51 05/18/2025 23:42:03 71.32, 179.13 51.51 2.02 44
6 05/19/2025 00:32:21 -71.37, -13.57 128.45 05/19/2025 00:32:48 -71.35, -13.61 128.47 2.84 27
7 05/19/2025 01:23:14 71.39, 153.73 51.56 05/19/2025 01:23:34 71.37, 153.66 51.55 3.13 20
8 05/19/2025 02:14:17 -71.39, -39.01 128.44 05/19/2025 02:14:19 -71.40, -39.08 128.43 2.44 2
9 05/19/2025 03:05:11 71.36, 128.20 51.53 05/19/2025 03:05:04 71.37, 128.28 51.54 3.13 7
10 05/19/2025 03:56:13 -71.42, -64.45 128.43 05/19/2025 03:55:49 -71.40, -64.46 128.45 2.27 24
11 05/19/2025 04:47:06 71.44, 102.86 51.58 05/19/2025 04:46:35 71.43, 102.81 51.58 2.05 31
12 05/19/2025 05:38:09 -71.45, -89.88 128.42 05/19/2025 05:37:20 -71.45, -89.92 128.40 1.67 49
13 05/19/2025 06:29:02 71.46, 77.42 51.59 05/19/2025 06:28:06 71.48, 77.34 51.62 3.59 56
14 05/19/2025 07:20:05 -71.47,-115.32 128.41 05/19/2025 07:18:50 -71.46,-115.30 128.42 2.02 75
15 05/19/2025 08:10:53 71.74, 52.47 51.84 05/19/2025 08:09:41 71.74, 51.49 51.88 33.93 72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 5/8/2025
SNOs_Map_NOAA-19_NPP_20250508.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 05/08/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP