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: 10/2/2024
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 10/04/2024 07:22:36 70.08, 65.62 74.55 10/04/2024 07:23:02 70.10, 65.69 74.57 3.51 26
2 10/04/2024 08:13:18 -69.98,-126.91 105.54 10/04/2024 08:12:32 -69.99,-126.84 105.54 3.06 46
3 10/06/2024 22:48:47 -70.56, 13.36 103.95 10/06/2024 22:49:57 -70.48, 14.50 104.04 43.16 70
4 10/06/2024 23:39:23 70.05,-178.53 75.54 10/06/2024 23:39:30 70.04,-178.49 75.54 1.33 7
5 10/07/2024 00:30:05 -69.95, -11.06 104.55 10/07/2024 00:29:00 -69.94, -11.01 104.56 2.12 65
6 10/09/2024 15:05:25 -70.09, 129.90 103.42 10/09/2024 15:06:29 -70.11, 129.85 103.40 2.94 64
7 10/09/2024 15:56:09 69.99, -62.65 76.51 10/09/2024 15:55:56 69.99, -62.67 76.50 1.01 13
8 10/09/2024 16:46:43 -69.47, 105.44 104.01 10/09/2024 16:45:32 -69.55, 104.36 103.92 43.21 71
9 10/12/2024 07:22:11 -70.07,-114.26 102.43 10/12/2024 07:22:53 -70.05,-114.32 102.44 2.61 42
10 10/12/2024 08:12:54 69.97, 53.19 77.50 10/12/2024 08:12:18 69.99, 53.24 77.51 2.43 36
11 10/14/2024 22:48:25 70.76,-166.86 79.26 10/14/2024 22:49:34 70.65,-165.16 79.15 63.66 69
12 10/14/2024 23:38:56 -70.08, 1.54 101.42 10/14/2024 23:39:13 -70.06, 1.60 101.45 3.39 17
13 10/15/2024 00:29:39 69.93, 169.06 78.45 10/15/2024 00:28:40 69.93, 169.07 78.45 0.41 59

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/2/2024
SNOs_Map_NPP_LANDSAT-9_20241002.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/02/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9