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: 4/15/2025
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,-146.67 119.56 04/16/2025 09:18:24 -70.69,-144.03 119.63 97.44 66
2 04/16/2025 10:08:09 71.17, 21.48 60.91 04/16/2025 10:09:21 71.23, 22.36 60.93 32.18 72
3 04/16/2025 10:58:59 -71.44,-170.75 118.85 04/16/2025 11:00:09 -71.46,-170.73 118.84 2.32 70
4 04/16/2025 11:50:00 71.46, -3.48 61.15 04/16/2025 11:50:56 71.49, -3.47 61.18 3.62 56
5 04/16/2025 12:40:55 -71.47, 163.83 118.85 04/16/2025 12:41:39 -71.46, 163.90 118.87 2.84 44
6 04/16/2025 13:31:56 71.49, -28.91 61.16 04/16/2025 13:32:26 71.49, -28.84 61.15 2.27 30
7 04/16/2025 14:22:51 -71.50, 138.40 118.84 04/16/2025 14:23:10 -71.51, 138.43 118.84 1.44 19
8 04/16/2025 15:13:52 71.52, -54.33 61.16 04/16/2025 15:13:57 71.54, -54.31 61.18 2.51 5
9 04/16/2025 16:04:47 -71.54, 112.97 118.84 04/16/2025 16:04:41 -71.56, 112.97 118.81 2.97 6
10 04/16/2025 16:55:48 71.55, -79.76 61.16 04/16/2025 16:55:27 71.54, -79.68 61.15 3.11 21
11 04/16/2025 17:46:43 -71.57, 87.54 118.84 04/16/2025 17:46:11 -71.56, 87.59 118.84 1.85 32
12 04/16/2025 18:37:44 71.58,-105.19 61.17 04/16/2025 18:36:58 71.59,-105.15 61.18 1.86 46
13 04/16/2025 19:28:39 -71.60, 62.12 118.83 04/16/2025 19:27:42 -71.61, 62.13 118.81 1.60 57
14 04/16/2025 20:19:40 71.61,-130.62 61.17 04/16/2025 20:18:29 71.64,-130.61 61.21 3.33 71
15 04/16/2025 21:10:30 -71.88, 37.18 118.59 04/16/2025 21:09:17 -71.87, 36.28 118.56 30.92 73

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/15/2025
SNOs_Map_NOAA-19_NPP_20250415.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/15/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP