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: 2/18/2025
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 -71.48, -70.12 100.08 02/27/2025 04:14:06 -71.52, -69.41 100.10 25.64 72
2 02/27/2025 05:03:46 71.71, 97.57 80.12 02/27/2025 05:04:56 71.72, 97.53 80.11 1.76 70
3 02/27/2025 05:54:46 -71.73, -95.15 99.89 02/27/2025 05:55:40 -71.73, -95.17 99.89 0.85 54
4 02/27/2025 06:45:42 71.75, 72.16 80.13 02/27/2025 06:46:26 71.73, 72.14 80.10 2.43 44
5 02/27/2025 07:36:42 -71.77,-120.56 99.88 02/27/2025 07:37:10 -71.74,-120.56 99.91 3.04 28
6 02/27/2025 08:27:38 71.79, 46.75 80.14 02/27/2025 08:27:57 71.79, 46.66 80.13 3.30 19
7 02/27/2025 09:18:38 -71.81,-145.97 99.87 02/27/2025 09:18:41 -71.80,-146.04 99.87 2.80 3
8 02/27/2025 10:09:35 71.78, 21.25 80.10 02/27/2025 10:09:27 71.80, 21.27 80.12 1.86 8
9 02/27/2025 11:00:35 -71.80,-171.47 99.90 02/27/2025 11:00:11 -71.81,-171.43 99.89 1.84 24
10 02/27/2025 11:51:31 71.82, -4.16 80.11 02/27/2025 11:50:57 71.80, -4.12 80.10 2.30 34
11 02/27/2025 12:42:31 -71.84, 163.12 99.90 02/27/2025 12:41:41 -71.81, 163.18 99.91 3.08 50
12 02/27/2025 13:33:27 71.86, -29.56 80.12 02/27/2025 13:32:28 71.86, -29.60 80.14 1.48 59
13 02/27/2025 14:24:27 -71.88, 137.71 99.89 02/27/2025 14:23:12 -71.87, 137.69 99.87 0.70 75
14 02/27/2025 15:15:16 72.26, -54.26 80.45 02/27/2025 15:14:05 72.23, -55.68 80.51 48.12 71

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 2/18/2025
SNOs_Map_NOAA-19_NPP_20250218.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 02/18/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP