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: 7/16/2025
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, 43.79 129.84 88.61 67
2 07/22/2025 21:40:40 70.70,-150.49 50.69 07/22/2025 21:41:52 70.75,-149.70 50.69 29.62 72
3 07/22/2025 22:31:30 -71.00, 17.29 129.04 07/22/2025 22:32:40 -71.00, 17.21 129.05 2.68 70
4 07/22/2025 23:22:31 70.98,-175.50 50.96 07/22/2025 23:23:26 70.97,-175.43 50.93 2.71 55
5 07/23/2025 00:13:26 -71.02, -8.16 129.01 07/23/2025 00:14:10 -71.00, -8.17 129.03 1.83 44
6 07/23/2025 01:04:27 71.00, 159.06 50.99 07/23/2025 01:04:57 71.02, 159.10 51.01 3.19 30
7 07/23/2025 01:55:22 -71.04, -33.61 128.97 07/23/2025 01:55:41 -71.06, -33.64 128.96 2.56 19
8 07/23/2025 02:46:22 71.07, 133.70 51.07 07/23/2025 02:46:28 71.08, 133.63 51.08 2.83 6
9 07/23/2025 03:37:18 -71.06, -59.06 128.94 07/23/2025 03:37:11 -71.06, -59.02 128.94 1.57 7
10 07/23/2025 04:28:18 71.09, 108.25 51.10 07/23/2025 04:27:58 71.09, 108.24 51.10 0.52 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 2.81 31
12 07/23/2025 06:10:14 71.11, 82.80 51.14 07/23/2025 06:09:28 71.09, 82.86 51.12 3.05 46
13 07/23/2025 07:01:09 -71.15,-109.87 128.83 07/23/2025 07:00:12 -71.12,-109.88 128.84 2.45 57
14 07/23/2025 07:52:10 71.13, 57.35 51.17 07/23/2025 07:50:59 71.15, 57.39 51.20 2.35 71
15 07/23/2025 08:43:00 -71.42,-134.85 128.56 07/23/2025 08:41:47 -71.39,-135.71 128.54 30.62 73
16 07/23/2025 09:33:51 71.92, 33.33 51.91 07/23/2025 09:32:44 71.93, 30.61 52.05 93.99 67

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 7/16/2025
SNOs_Map_NOAA-19_NPP_20250716.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 07/16/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP