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: 7/20/2025
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 -70.18, 41.40 129.80 07/22/2025 20:50:56 -70.23, 43.84 129.88 92.00 66
2 07/22/2025 21:40:41 70.68,-150.53 50.67 07/22/2025 21:41:53 70.77,-149.73 50.71 31.00 72
3 07/22/2025 22:31:31 -70.97, 17.25 129.06 07/22/2025 22:32:40 -70.97, 17.27 129.08 1.09 69
4 07/22/2025 23:22:31 71.01,-175.44 50.98 07/22/2025 23:23:27 70.98,-175.46 50.95 2.86 56
5 07/23/2025 00:13:26 -70.99, -8.20 129.03 07/23/2025 00:14:10 -71.02, -8.20 129.01 3.39 44
6 07/23/2025 01:04:26 71.03, 159.11 51.02 07/23/2025 01:04:57 71.04, 159.07 51.02 1.97 31
7 07/23/2025 01:55:22 -71.01, -33.65 129.00 07/23/2025 01:55:40 -71.03, -33.59 128.99 3.01 18
8 07/23/2025 02:46:22 71.05, 133.66 51.05 07/23/2025 02:46:27 71.05, 133.69 51.04 0.99 5
9 07/23/2025 03:37:17 -71.08, -59.01 128.92 07/23/2025 03:37:11 -71.08, -59.06 128.91 1.65 6
10 07/23/2025 04:28:17 71.12, 108.30 51.13 07/23/2025 04:27:58 71.10, 108.21 51.12 3.71 19
11 07/23/2025 05:19:13 -71.10, -84.46 128.88 07/23/2025 05:18:41 -71.09, -84.44 128.89 1.57 32
12 07/23/2025 06:10:14 71.09, 82.76 51.12 07/23/2025 06:09:28 71.11, 82.83 51.14 3.26 46
13 07/23/2025 07:01:09 -71.12,-109.91 128.85 07/23/2025 07:00:12 -71.15,-109.91 128.82 2.80 57
14 07/23/2025 07:52:09 71.16, 57.41 51.20 07/23/2025 07:50:59 71.17, 57.36 51.22 1.79 70
15 07/23/2025 08:43:00 -71.40,-134.90 128.58 07/23/2025 08:41:47 -71.41,-135.75 128.52 30.17 73
16 07/23/2025 09:33:50 71.94, 33.39 51.94 07/23/2025 09:32:43 71.89, 30.67 52.01 93.92 67

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 7/20/2025
SNOs_Map_NOAA-19_NPP_20250720.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 07/20/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP