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: 3/8/2024
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 03/10/2024 06:32:49 -70.19,-101.90 105.91 03/10/2024 06:33:51 -70.19,-101.93 105.92 1.21 62
2 03/10/2024 07:23:34 70.11, 65.53 74.00 03/10/2024 07:23:18 70.09, 65.57 73.97 3.25 16
3 03/10/2024 08:14:06 -69.51,-126.25 106.66 03/10/2024 08:12:56 -69.54,-127.56 106.57 51.13 70
4 03/12/2024 22:49:45 -70.13, 13.95 107.03 03/12/2024 22:50:19 -70.14, 13.88 107.03 2.80 34
5 03/12/2024 23:40:30 70.06,-178.63 72.88 03/12/2024 23:39:46 70.04,-178.62 72.86 2.50 44
6 03/15/2024 14:16:04 70.39, -38.01 72.19 03/15/2024 14:17:15 70.33, -37.60 72.11 16.82 71
7 03/15/2024 15:06:42 -70.09, 129.76 108.14 03/15/2024 15:06:47 -70.11, 129.72 108.12 2.66 5
8 03/15/2024 15:57:27 70.02, -62.82 71.78 03/15/2024 15:56:14 70.00, -62.79 71.77 2.49 73
9 03/18/2024 06:32:57 70.16, 78.10 70.89 03/18/2024 06:33:45 70.15, 78.03 70.87 2.75 48
10 03/18/2024 07:23:39 -70.08,-114.45 109.22 03/18/2024 07:23:15 -70.05,-114.48 109.25 3.28 24
11 03/20/2024 21:59:25 -71.07, 25.08 109.21 03/20/2024 22:00:32 -70.93, 27.43 109.44 86.46 67
12 03/20/2024 22:49:53 70.11,-166.07 69.77 03/20/2024 22:50:12 70.11,-166.15 69.76 3.14 19
13 03/20/2024 23:40:35 -70.03, 1.38 110.34 03/20/2024 23:39:42 -70.00, 1.34 110.35 2.93 53

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/8/2024
SNOs_Map_NPP_LANDSAT-9_20240308.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/08/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9