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: 2/26/2025
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 04:12:54 -71.49, -70.12 100.07 02/27/2025 04:14:06 -71.52, -69.41 100.10 25.13 72
2 02/27/2025 05:03:46 71.72, 97.59 80.13 02/27/2025 05:04:56 71.71, 97.54 80.11 1.83 70
3 02/27/2025 05:54:46 -71.73, -95.14 99.88 02/27/2025 05:55:40 -71.73, -95.17 99.89 1.11 54
4 02/27/2025 06:45:42 71.71, 72.08 80.09 02/27/2025 06:46:25 71.72, 72.15 80.09 2.66 43
5 02/27/2025 07:36:41 -71.77,-120.55 99.87 02/27/2025 07:37:09 -71.74,-120.56 99.91 3.53 28
6 02/27/2025 08:27:38 71.75, 46.68 80.10 02/27/2025 08:27:56 71.78, 46.67 80.13 3.19 18
7 02/27/2025 09:18:37 -71.81,-145.96 99.86 02/27/2025 09:18:40 -71.80,-146.05 99.87 3.37 3
8 02/27/2025 10:09:34 71.79, 21.27 80.11 02/27/2025 10:09:26 71.79, 21.28 80.11 0.54 8
9 02/27/2025 11:00:34 -71.80,-171.46 99.90 02/27/2025 11:00:10 -71.81,-171.44 99.89 1.24 24
10 02/27/2025 11:51:30 71.83, -4.14 80.12 02/27/2025 11:50:57 71.85, -4.21 80.15 2.95 33
11 02/27/2025 12:42:30 -71.84, 163.13 99.89 02/27/2025 12:41:40 -71.82, 163.17 99.91 3.11 50
12 02/27/2025 13:33:26 71.88, -29.54 80.13 02/27/2025 13:32:27 71.86, -29.60 80.13 2.65 59
13 02/27/2025 14:24:26 -71.88, 137.72 99.88 02/27/2025 14:23:11 -71.88, 137.69 99.87 1.23 75
14 02/27/2025 15:15:15 72.27, -54.24 80.46 02/27/2025 15:14:04 72.23, -55.67 80.50 48.66 71

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 2/26/2025
SNOs_Map_NOAA-19_NPP_20250226.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 02/26/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP