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: 4/13/2025
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 -70.65,-146.65 119.56 04/16/2025 09:18:24 -70.68,-144.02 119.64 97.23 66
2 04/16/2025 10:08:09 71.18, 21.50 60.92 04/16/2025 10:09:21 71.22, 22.37 60.92 31.76 72
3 04/16/2025 10:58:59 -71.45,-170.73 118.84 04/16/2025 11:00:09 -71.46,-170.72 118.85 0.55 70
4 04/16/2025 11:50:00 71.46, -3.46 61.16 04/16/2025 11:50:56 71.48, -3.46 61.17 2.16 56
5 04/16/2025 12:40:55 -71.48, 163.84 118.84 04/16/2025 12:41:40 -71.51, 163.82 118.82 2.63 45
6 04/16/2025 13:31:56 71.49, -28.89 61.16 04/16/2025 13:32:26 71.48, -28.83 61.14 2.52 30
7 04/16/2025 14:22:51 -71.51, 138.42 118.83 04/16/2025 14:23:10 -71.50, 138.45 118.85 1.51 19
8 04/16/2025 15:13:52 71.52, -54.32 61.17 04/16/2025 15:13:57 71.53, -54.30 61.17 1.18 5
9 04/16/2025 16:04:47 -71.55, 112.99 118.83 04/16/2025 16:04:41 -71.55, 112.98 118.82 1.10 6
10 04/16/2025 16:55:47 71.55, -79.75 61.17 04/16/2025 16:55:27 71.58, -79.76 61.20 3.19 20
11 04/16/2025 17:46:42 -71.58, 87.56 118.83 04/16/2025 17:46:10 -71.55, 87.61 118.85 2.98 32
12 04/16/2025 18:37:43 71.59,-105.17 61.17 04/16/2025 18:36:57 71.58,-105.14 61.18 1.40 46
13 04/16/2025 19:28:38 -71.61, 62.14 118.82 04/16/2025 19:27:41 -71.60, 62.14 118.82 0.42 57
14 04/16/2025 20:19:39 71.62,-130.60 61.18 04/16/2025 20:18:28 71.63,-130.60 61.20 1.89 71
15 04/16/2025 21:10:29 -71.89, 37.19 118.58 04/16/2025 21:09:16 -71.86, 36.30 118.57 31.24 73

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/13/2025
SNOs_Map_NOAA-19_NPP_20250413.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/13/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP