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: 4/16/2025
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 04/16/2025 09:17:18 -70.64,-146.68 119.57 04/16/2025 09:18:24 -70.69,-144.04 119.63 97.51 66
2 04/16/2025 10:08:09 71.16, 21.48 60.91 04/16/2025 10:09:21 71.23, 22.36 60.93 32.39 72
3 04/16/2025 10:58:59 -71.44,-170.76 118.85 04/16/2025 11:00:09 -71.47,-170.74 118.84 3.32 70
4 04/16/2025 11:49:59 71.50, -3.39 61.20 04/16/2025 11:50:56 71.49, -3.48 61.18 3.26 57
5 04/16/2025 12:40:55 -71.47, 163.82 118.85 04/16/2025 12:41:39 -71.47, 163.89 118.86 2.56 44
6 04/16/2025 13:31:56 71.48, -28.91 61.15 04/16/2025 13:32:26 71.49, -28.85 61.15 2.47 30
7 04/16/2025 14:22:51 -71.50, 138.39 118.85 04/16/2025 14:23:10 -71.52, 138.42 118.84 2.19 19
8 04/16/2025 15:13:52 71.51, -54.34 61.16 04/16/2025 15:13:57 71.54, -54.31 61.18 3.28 5
9 04/16/2025 16:04:47 -71.53, 112.96 118.84 04/16/2025 16:04:40 -71.51, 113.05 118.86 3.59 7
10 04/16/2025 16:55:48 71.54, -79.77 61.16 04/16/2025 16:55:27 71.54, -79.69 61.16 2.94 21
11 04/16/2025 17:46:43 -71.56, 87.54 118.84 04/16/2025 17:46:11 -71.57, 87.59 118.83 1.82 32
12 04/16/2025 18:37:44 71.57,-105.20 61.16 04/16/2025 18:36:58 71.59,-105.15 61.18 2.43 46
13 04/16/2025 19:28:39 -71.59, 62.11 118.84 04/16/2025 19:27:42 -71.62, 62.12 118.81 2.58 57
14 04/16/2025 20:19:39 71.66,-130.53 61.21 04/16/2025 20:18:29 71.64,-130.62 61.21 3.56 70
15 04/16/2025 21:10:30 -71.88, 37.17 118.60 04/16/2025 21:09:17 -71.87, 36.28 118.56 30.85 73

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/16/2025
SNOs_Map_NOAA-19_NPP_20250416.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/16/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP