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: 4/14/2025
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 -70.63,-146.70 119.58 04/16/2025 09:18:24 -70.71,-144.06 119.61 97.71 66
2 04/16/2025 10:08:09 71.15, 21.45 60.89 04/16/2025 10:09:20 71.20, 22.42 60.89 35.14 71
3 04/16/2025 10:58:58 -71.48,-170.69 118.82 04/16/2025 11:00:09 -71.48,-170.76 118.82 2.83 71
4 04/16/2025 11:49:59 71.49, -3.42 61.18 04/16/2025 11:50:55 71.46, -3.41 61.14 3.53 56
5 04/16/2025 12:40:54 -71.51, 163.89 118.82 04/16/2025 12:41:39 -71.48, 163.86 118.85 3.03 45
6 04/16/2025 13:31:55 71.52, -28.85 61.19 04/16/2025 13:32:26 71.51, -28.88 61.17 1.67 31
7 04/16/2025 14:22:50 -71.54, 138.46 118.81 04/16/2025 14:23:10 -71.53, 138.40 118.82 2.29 20
8 04/16/2025 15:13:51 71.55, -54.27 61.19 04/16/2025 15:13:57 71.56, -54.34 61.20 2.61 6
9 04/16/2025 16:04:47 -71.52, 112.94 118.86 04/16/2025 16:04:40 -71.53, 113.03 118.85 3.36 7
10 04/16/2025 16:55:47 71.58, -79.70 61.19 04/16/2025 16:55:27 71.56, -79.72 61.17 2.59 20
11 04/16/2025 17:46:42 -71.60, 87.61 118.81 04/16/2025 17:46:11 -71.58, 87.56 118.82 2.71 31
12 04/16/2025 18:37:43 71.61,-105.13 61.20 04/16/2025 18:36:58 71.61,-105.18 61.20 1.88 45
13 04/16/2025 19:28:38 -71.63, 62.18 118.80 04/16/2025 19:27:42 -71.63, 62.10 118.79 2.98 56
14 04/16/2025 20:19:39 71.64,-130.56 61.20 04/16/2025 20:18:29 71.66,-130.65 61.23 3.79 70
15 04/16/2025 21:10:30 -71.86, 37.14 118.61 04/16/2025 21:09:17 -71.89, 36.25 118.54 30.99 73

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/14/2025
SNOs_Map_NOAA-19_NPP_20250414.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/14/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP