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: 4/24/2025
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 70.91, -54.85 55.34 05/02/2025 15:14:10 70.99, -53.41 55.36 53.01 70
2 05/02/2025 16:03:50 -71.38, 113.25 124.23 05/02/2025 16:05:01 -71.35, 113.28 124.27 3.32 71
3 05/02/2025 16:54:47 71.40, -79.45 55.78 05/02/2025 16:55:48 71.41, -79.51 55.78 2.07 61
4 05/02/2025 17:45:46 -71.41, 87.82 124.23 05/02/2025 17:46:32 -71.40, 87.82 124.24 0.50 46
5 05/02/2025 18:36:43 71.43,-104.89 55.78 05/02/2025 18:37:18 71.41,-104.88 55.76 2.12 35
6 05/02/2025 19:27:42 -71.44, 62.39 124.22 05/02/2025 19:28:03 -71.46, 62.35 124.20 2.48 21
7 05/02/2025 20:18:39 71.45,-130.32 55.79 05/02/2025 20:18:49 71.46,-130.35 55.79 1.22 10
8 05/02/2025 21:09:38 -71.46, 36.96 124.22 05/02/2025 21:09:33 -71.46, 36.97 124.22 1.23 5
9 05/02/2025 22:00:35 71.48,-155.75 55.79 05/02/2025 22:00:19 71.46,-155.72 55.77 2.59 16
10 05/02/2025 22:51:34 -71.49, 11.52 124.21 05/02/2025 22:51:04 -71.51, 11.51 124.19 1.69 30
11 05/02/2025 23:42:31 71.51, 178.82 55.80 05/02/2025 23:41:50 71.51, 178.81 55.81 0.44 41
12 05/03/2025 00:33:30 -71.52, -13.91 124.20 05/03/2025 00:32:34 -71.51, -13.87 124.21 2.07 56
13 05/03/2025 01:24:27 71.54, 153.38 55.81 05/03/2025 01:23:20 71.51, 153.43 55.79 3.19 67
14 05/03/2025 02:15:22 -71.75, -38.96 124.01 05/03/2025 02:14:09 -71.77, -39.71 123.96 26.36 73
15 05/03/2025 03:06:11 72.18, 129.14 56.39 05/03/2025 03:05:03 72.18, 126.81 56.48 79.32 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/24/2025
SNOs_Map_NOAA-19_NPP_20250424.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/24/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP