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: 4/4/2025
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 04/16/2025 09:17:18 -70.69,-146.60 119.53 04/16/2025 09:18:25 -70.75,-144.12 119.57 91.23 67
2 04/16/2025 10:08:09 71.20, 21.54 60.94 04/16/2025 10:09:21 71.25, 22.33 60.95 28.77 72
3 04/16/2025 10:58:59 -71.48,-170.67 118.81 04/16/2025 11:00:09 -71.47,-170.74 118.83 2.96 70
4 04/16/2025 11:50:00 71.49, -3.42 61.18 04/16/2025 11:50:55 71.46, -3.41 61.14 3.49 55
5 04/16/2025 12:40:56 -71.46, 163.81 118.86 04/16/2025 12:41:39 -71.47, 163.89 118.86 2.75 43
6 04/16/2025 13:31:56 71.52, -28.84 61.19 04/16/2025 13:32:26 71.51, -28.87 61.17 1.58 30
7 04/16/2025 14:22:52 -71.50, 138.38 118.85 04/16/2025 14:23:10 -71.52, 138.42 118.83 3.02 18
8 04/16/2025 15:13:52 71.55, -54.27 61.19 04/16/2025 15:13:57 71.56, -54.34 61.20 2.59 5
9 04/16/2025 16:04:47 -71.53, 112.96 118.85 04/16/2025 16:04:39 -71.52, 113.05 118.86 3.33 8
10 04/16/2025 16:55:47 71.58, -79.70 61.19 04/16/2025 16:55:26 71.56, -79.71 61.17 2.52 21
11 04/16/2025 17:46:43 -71.56, 87.53 118.84 04/16/2025 17:46:10 -71.57, 87.58 118.83 2.24 33
12 04/16/2025 18:37:43 71.61,-105.12 61.20 04/16/2025 18:36:57 71.61,-105.18 61.20 1.90 46
13 04/16/2025 19:28:39 -71.59, 62.11 118.84 04/16/2025 19:27:41 -71.62, 62.12 118.80 3.49 58
14 04/16/2025 20:19:39 71.64,-130.55 61.20 04/16/2025 20:18:27 71.61,-130.55 61.18 3.71 72
15 04/16/2025 21:10:29 -71.92, 37.26 118.55 04/16/2025 21:09:17 -71.93, 36.17 118.50 37.50 72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/4/2025
SNOs_Map_NOAA-19_NPP_20250404.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/04/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP