Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/16/2024
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 12/17/2024 22:49:40 70.06,-166.10 93.37 12/17/2024 22:50:19 70.08,-166.12 93.39 3.07 39
2 12/17/2024 23:40:22 -69.97, 1.35 86.73 12/17/2024 23:39:49 -69.97, 1.36 86.73 0.45 33
3 12/20/2024 14:16:04 -70.65, 141.41 85.98 12/20/2024 14:17:14 -70.52, 142.76 86.14 52.08 70
4 12/20/2024 15:06:38 70.01, -50.28 93.37 12/20/2024 15:06:48 70.03, -50.31 93.39 2.72 10
5 12/20/2024 15:57:20 -69.92, 117.18 86.73 12/20/2024 15:56:18 -69.92, 117.17 86.72 0.74 62
6 12/23/2024 06:32:53 -70.09,-101.95 86.56 12/23/2024 06:33:50 -70.10,-101.97 86.56 1.52 57
7 12/23/2024 07:23:37 69.98, 65.53 93.33 12/23/2024 07:23:17 69.99, 65.52 93.34 1.60 20
8 12/23/2024 08:14:07 -69.24,-126.08 87.43 12/23/2024 08:12:58 -69.28,-127.82 87.36 68.64 69
9 12/25/2024 22:49:52 -70.06, 13.85 86.65 12/25/2024 22:50:18 -70.07, 13.87 86.65 1.34 26
10 12/25/2024 23:40:36 69.96,-178.68 93.24 12/25/2024 23:39:45 69.96,-178.64 93.25 1.42 51
11 12/28/2024 14:16:08 70.10, -37.77 93.28 12/28/2024 14:17:16 70.10, -37.83 93.27 2.26 68
12 12/28/2024 15:06:50 -69.99, 129.71 86.84 12/28/2024 15:06:46 -70.00, 129.66 86.84 2.09 4
13 12/28/2024 15:57:29 69.63, -62.43 92.79 12/28/2024 15:56:17 69.66, -63.17 92.84 28.53 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/16/2024
SNOs_Map_NPP_LANDSAT-9_20241216.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/16/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9