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: 1/29/2025
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 02/11/2025 04:13:03 -71.31, -70.79 94.51 02/11/2025 04:14:13 -71.38, -69.24 94.54 55.63 70
2 02/11/2025 05:03:51 71.56, 96.95 85.71 02/11/2025 05:05:03 71.61, 97.67 85.70 25.93 72
3 02/11/2025 05:54:50 -71.81, -95.33 94.09 02/11/2025 05:55:51 -71.80, -95.37 94.11 1.78 61
4 02/11/2025 06:45:43 71.81, 71.93 85.90 02/11/2025 06:46:37 71.82, 71.90 85.91 2.13 54
5 02/11/2025 07:36:47 -71.81,-120.83 94.12 02/11/2025 07:37:21 -71.81,-120.76 94.12 2.67 34
6 02/11/2025 08:27:39 71.85, 46.53 85.92 02/11/2025 08:28:07 71.83, 46.52 85.89 2.28 28
7 02/11/2025 09:18:43 -71.85,-146.24 94.10 02/11/2025 09:18:52 -71.87,-146.24 94.08 2.05 9
8 02/11/2025 10:09:35 71.89, 21.13 85.93 02/11/2025 10:09:38 71.89, 21.04 85.93 3.32 3
9 02/11/2025 11:00:39 -71.89,-171.64 94.09 02/11/2025 11:00:22 -71.87,-171.62 94.10 2.05 17
10 02/11/2025 11:51:32 71.88, -4.37 85.90 02/11/2025 11:51:08 71.89, -4.35 85.91 1.13 24
11 02/11/2025 12:42:35 -71.93, 162.96 94.07 02/11/2025 12:41:53 -71.93, 162.89 94.06 2.35 42
12 02/11/2025 13:33:28 71.93, -29.77 85.92 02/11/2025 13:32:39 71.95, -29.83 85.95 3.34 49
13 02/11/2025 14:24:32 -71.93, 137.46 94.10 02/11/2025 14:23:23 -71.94, 137.51 94.08 2.06 69
14 02/11/2025 15:15:24 71.97, -55.17 85.93 02/11/2025 15:14:09 71.96, -55.22 85.94 2.29 75
15 02/11/2025 16:06:14 -72.67, 113.50 93.46 02/11/2025 16:05:07 -72.66, 110.72 93.32 92.32 67

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 1/29/2025
SNOs_Map_NOAA-19_NPP_20250129.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 01/29/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP