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: 4/21/2025
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 05/02/2025 15:13:00 70.94, -54.79 55.37 05/02/2025 15:14:10 70.96, -53.37 55.34 51.72 70
2 05/02/2025 16:03:51 -71.36, 113.22 124.25 05/02/2025 16:05:02 -71.37, 113.24 124.25 1.36 71
3 05/02/2025 16:54:48 71.38, -79.49 55.76 05/02/2025 16:55:48 71.38, -79.46 55.75 0.93 60
4 05/02/2025 17:45:47 -71.39, 87.79 124.24 05/02/2025 17:46:32 -71.37, 87.87 124.27 3.40 45
5 05/02/2025 18:36:44 71.41,-104.92 55.77 05/02/2025 18:37:19 71.43,-104.93 55.79 2.77 35
6 05/02/2025 19:27:43 -71.42, 62.36 124.24 05/02/2025 19:28:03 -71.43, 62.40 124.23 1.59 20
7 05/02/2025 20:18:40 71.44,-130.35 55.77 05/02/2025 20:18:49 71.43,-130.30 55.77 1.76 9
8 05/02/2025 21:09:39 -71.45, 36.93 124.23 05/02/2025 21:09:34 -71.48, 36.93 124.20 3.14 5
9 05/02/2025 22:00:36 71.46,-155.79 55.78 05/02/2025 22:00:20 71.49,-155.77 55.80 2.45 16
10 05/02/2025 22:51:35 -71.48, 11.50 124.22 05/02/2025 22:51:04 -71.48, 11.56 124.22 2.20 31
11 05/02/2025 23:42:32 71.49, 178.78 55.78 05/02/2025 23:41:50 71.49, 178.85 55.78 2.58 42
12 05/03/2025 00:33:31 -71.51, -13.94 124.22 05/03/2025 00:32:35 -71.53, -13.91 124.19 2.71 56
13 05/03/2025 01:24:28 71.52, 153.35 55.79 05/03/2025 01:23:21 71.54, 153.38 55.82 2.39 67
14 05/03/2025 02:15:23 -71.74, -38.98 124.02 05/03/2025 02:14:09 -71.74, -39.66 123.99 23.54 74
15 05/03/2025 03:06:12 72.16, 129.10 56.38 05/03/2025 03:05:03 72.16, 126.86 56.45 76.55 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/21/2025
SNOs_Map_NOAA-19_NPP_20250421.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/21/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP