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: 7/13/2025
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 07/22/2025 20:49:50 -70.17, 41.39 129.81 07/22/2025 20:50:56 -70.23, 43.84 129.88 92.30 66
2 07/22/2025 21:40:41 70.67,-150.54 50.66 07/22/2025 21:41:52 70.72,-149.65 50.66 33.34 71
3 07/22/2025 22:31:31 -70.97, 17.24 129.07 07/22/2025 22:32:40 -70.96, 17.27 129.08 1.12 69
4 07/22/2025 23:22:31 71.00,-175.46 50.97 07/22/2025 23:23:27 70.99,-175.47 50.96 0.82 56
5 07/23/2025 00:13:26 -71.04, -8.12 128.99 07/23/2025 00:14:11 -71.02, -8.20 129.01 3.55 45
6 07/23/2025 01:04:27 71.02, 159.09 51.01 07/23/2025 01:04:57 71.00, 159.14 50.98 3.10 30
7 07/23/2025 01:55:23 -71.01, -33.66 129.00 07/23/2025 01:55:41 -71.03, -33.59 128.99 3.49 18
8 07/23/2025 02:46:23 71.04, 133.64 51.04 07/23/2025 02:46:28 71.05, 133.67 51.05 2.12 5
9 07/23/2025 03:37:17 -71.08, -59.02 128.92 07/23/2025 03:37:11 -71.08, -59.06 128.91 1.48 6
10 07/23/2025 04:28:17 71.11, 108.28 51.12 07/23/2025 04:27:58 71.11, 108.20 51.13 2.96 19
11 07/23/2025 05:19:13 -71.10, -84.47 128.89 07/23/2025 05:18:41 -71.09, -84.44 128.89 1.43 32
12 07/23/2025 06:10:13 71.13, 82.83 51.15 07/23/2025 06:09:28 71.12, 82.82 51.15 1.56 45
13 07/23/2025 07:01:09 -71.12,-109.92 128.86 07/23/2025 07:00:12 -71.14,-109.91 128.82 3.26 57
14 07/23/2025 07:52:09 71.15, 57.39 51.18 07/23/2025 07:50:59 71.17, 57.35 51.22 3.06 70
15 07/23/2025 08:43:00 -71.39,-134.91 128.59 07/23/2025 08:41:47 -71.41,-135.75 128.52 29.87 73
16 07/23/2025 09:33:50 71.93, 33.37 51.93 07/23/2025 09:32:43 71.90, 30.66 52.02 93.56 67

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 7/13/2025
SNOs_Map_NOAA-19_NPP_20250713.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 07/13/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP