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: 4/29/2025
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 70.88, -54.89 55.31 05/02/2025 15:14:09 70.95, -53.35 55.32 56.87 69
2 05/02/2025 16:03:50 -71.35, 113.19 124.26 05/02/2025 16:05:01 -71.37, 113.25 124.25 3.28 71
3 05/02/2025 16:54:47 71.37, -79.50 55.75 05/02/2025 16:55:47 71.37, -79.44 55.74 2.27 60
4 05/02/2025 17:45:45 -71.43, 87.85 124.21 05/02/2025 17:46:32 -71.42, 87.78 124.22 2.61 47
5 05/02/2025 18:36:43 71.40,-104.94 55.76 05/02/2025 18:37:18 71.42,-104.91 55.77 2.72 35
6 05/02/2025 19:27:42 -71.40, 62.33 124.25 05/02/2025 19:28:02 -71.42, 62.41 124.24 3.48 20
7 05/02/2025 20:18:39 71.43,-130.37 55.76 05/02/2025 20:18:48 71.42,-130.28 55.75 3.13 9
8 05/02/2025 21:09:37 -71.48, 36.99 124.20 05/02/2025 21:09:33 -71.48, 36.94 124.20 2.03 4
9 05/02/2025 22:00:35 71.45,-155.80 55.77 05/02/2025 22:00:19 71.47,-155.75 55.79 2.93 16
10 05/02/2025 22:51:33 -71.51, 11.56 124.19 05/02/2025 22:51:04 -71.53, 11.47 124.17 3.55 29
11 05/02/2025 23:42:30 71.53, 178.86 55.82 05/02/2025 23:41:50 71.53, 178.78 55.82 2.83 40
12 05/03/2025 00:33:29 -71.54, -13.87 124.19 05/03/2025 00:32:34 -71.53, -13.90 124.19 1.75 55
13 05/03/2025 01:24:27 71.51, 153.33 55.78 05/03/2025 01:23:20 71.53, 153.41 55.80 3.32 67
14 05/03/2025 02:15:21 -71.77, -38.92 123.99 05/03/2025 02:14:08 -71.73, -39.65 123.99 25.87 73
15 05/03/2025 03:06:11 72.15, 129.08 56.37 05/03/2025 03:05:02 72.15, 126.88 56.44 75.12 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/29/2025
SNOs_Map_NOAA-19_NPP_20250429.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/29/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP