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: 2/19/2025
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 02/27/2025 03:22:05 70.88, 121.55 79.41 02/27/2025 03:23:11 70.96, 124.25 79.32 98.30 66
2 02/27/2025 04:12:54 -71.47, -70.16 100.09 02/27/2025 04:14:06 -71.54, -69.45 100.07 26.21 72
3 02/27/2025 05:03:46 71.69, 97.54 80.10 02/27/2025 05:04:55 71.69, 97.58 80.08 1.66 69
4 02/27/2025 05:54:46 -71.71, -95.18 99.90 02/27/2025 05:55:39 -71.70, -95.12 99.92 2.28 53
5 02/27/2025 06:45:42 71.73, 72.13 80.11 02/27/2025 06:46:26 71.75, 72.10 80.12 2.14 44
6 02/27/2025 07:36:42 -71.75,-120.59 99.89 02/27/2025 07:37:10 -71.76,-120.60 99.88 1.44 28
7 02/27/2025 08:27:38 71.78, 46.72 80.12 02/27/2025 08:27:56 71.76, 46.71 80.10 1.87 18
8 02/27/2025 09:18:38 -71.79,-146.00 99.88 02/27/2025 09:18:40 -71.77,-145.99 99.90 2.24 2
9 02/27/2025 10:09:34 71.82, 21.32 80.13 02/27/2025 10:09:27 71.82, 21.23 80.14 3.20 7
10 02/27/2025 11:00:34 -71.83,-171.40 99.87 02/27/2025 11:00:11 -71.83,-171.48 99.86 2.53 23
11 02/27/2025 11:51:31 71.81, -4.19 80.10 02/27/2025 11:50:57 71.83, -4.16 80.12 2.36 34
12 02/27/2025 12:42:31 -71.82, 163.09 99.91 02/27/2025 12:41:41 -71.84, 163.13 99.88 2.48 50
13 02/27/2025 13:33:27 71.85, -29.59 80.11 02/27/2025 13:32:27 71.84, -29.55 80.11 1.96 60
14 02/27/2025 14:24:27 -71.86, 137.68 99.90 02/27/2025 14:23:12 -71.90, 137.65 99.84 4.29 75
15 02/27/2025 15:15:16 72.24, -54.29 80.44 02/27/2025 15:14:05 72.25, -55.73 80.54 48.58 71

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 2/19/2025
SNOs_Map_NOAA-19_NPP_20250219.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 02/19/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP