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: 7/19/2025
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 07/22/2025 20:49:49 -70.20, 41.44 129.78 07/22/2025 20:50:56 -70.26, 43.79 129.85 88.81 67
2 07/22/2025 21:40:40 70.70,-150.49 50.69 07/22/2025 21:41:52 70.75,-149.69 50.68 29.69 72
3 07/22/2025 22:31:30 -71.00, 17.29 129.04 07/22/2025 22:32:40 -70.99, 17.22 129.05 2.49 70
4 07/22/2025 23:22:31 70.98,-175.49 50.96 07/22/2025 23:23:26 70.96,-175.42 50.92 3.49 55
5 07/23/2025 00:13:26 -71.02, -8.16 129.01 07/23/2025 00:14:10 -71.00, -8.16 129.03 2.08 44
6 07/23/2025 01:04:27 71.00, 159.06 50.99 07/23/2025 01:04:57 71.02, 159.11 51.00 2.55 30
7 07/23/2025 01:55:22 -71.04, -33.61 128.97 07/23/2025 01:55:41 -71.05, -33.63 128.96 2.24 19
8 07/23/2025 02:46:22 71.07, 133.70 51.07 07/23/2025 02:46:28 71.07, 133.64 51.07 2.32 6
9 07/23/2025 03:37:18 -71.05, -59.06 128.94 07/23/2025 03:37:11 -71.06, -59.02 128.94 1.69 7
10 07/23/2025 04:28:18 71.09, 108.25 51.10 07/23/2025 04:27:58 71.08, 108.26 51.09 1.44 20
11 07/23/2025 05:19:13 -71.13, -84.42 128.86 07/23/2025 05:18:42 -71.12, -84.49 128.86 2.67 31
12 07/23/2025 06:10:14 71.11, 82.81 51.14 07/23/2025 06:09:29 71.14, 82.78 51.17 2.81 45
13 07/23/2025 07:01:09 -71.14,-109.87 128.83 07/23/2025 07:00:12 -71.12,-109.87 128.84 2.66 57
14 07/23/2025 07:52:10 71.13, 57.36 51.17 07/23/2025 07:50:59 71.14, 57.40 51.19 1.86 71
15 07/23/2025 08:43:00 -71.42,-134.85 128.56 07/23/2025 08:41:47 -71.38,-135.70 128.55 30.41 73
16 07/23/2025 09:33:51 71.92, 33.33 51.92 07/23/2025 09:32:44 71.92, 30.62 52.04 93.72 67

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 7/19/2025
SNOs_Map_NOAA-19_NPP_20250719.jpg

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

Historial Predications of SNOs between NOAA-19 and NPP