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: 4/5/2025
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 -70.66,-146.65 119.55 04/16/2025 09:18:24 -70.68,-144.01 119.64 97.00 66
2 04/16/2025 10:08:09 71.17, 21.50 60.92 04/16/2025 10:09:21 71.23, 22.36 60.93 31.69 72
3 04/16/2025 10:58:59 -71.46,-170.72 118.84 04/16/2025 11:00:09 -71.45,-170.71 118.85 0.33 70
4 04/16/2025 11:50:00 71.46, -3.47 61.16 04/16/2025 11:50:56 71.49, -3.47 61.18 3.36 56
5 04/16/2025 12:40:55 -71.49, 163.85 118.83 04/16/2025 12:41:40 -71.50, 163.82 118.82 2.20 45
6 04/16/2025 13:31:56 71.49, -28.89 61.16 04/16/2025 13:32:26 71.49, -28.84 61.15 1.82 30
7 04/16/2025 14:22:51 -71.52, 138.43 118.83 04/16/2025 14:23:10 -71.50, 138.45 118.85 1.87 19
8 04/16/2025 15:13:52 71.52, -54.32 61.16 04/16/2025 15:13:57 71.54, -54.31 61.18 2.13 5
9 04/16/2025 16:04:47 -71.55, 113.00 118.83 04/16/2025 16:04:41 -71.55, 112.99 118.82 0.72 6
10 04/16/2025 16:55:48 71.55, -79.75 61.17 04/16/2025 16:55:27 71.54, -79.68 61.15 2.79 21
11 04/16/2025 17:46:43 -71.58, 87.57 118.82 04/16/2025 17:46:12 -71.60, 87.52 118.79 3.24 31
12 04/16/2025 18:37:44 71.58,-105.18 61.17 04/16/2025 18:36:58 71.59,-105.15 61.18 1.30 46
13 04/16/2025 19:28:39 -71.61, 62.15 118.82 04/16/2025 19:27:42 -71.60, 62.15 118.82 0.96 57
14 04/16/2025 20:19:40 71.61,-130.60 61.17 04/16/2025 20:18:29 71.64,-130.61 61.21 3.08 71
15 04/16/2025 21:10:30 -71.89, 37.21 118.58 04/16/2025 21:09:17 -71.86, 36.30 118.57 31.56 73

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/5/2025
SNOs_Map_NOAA-19_NPP_20250405.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/05/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP