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: 10/23/2023
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 10/23/2023 14:16:11 70.37, -37.93 81.71 10/23/2023 14:17:22 70.31, -37.55 81.65 16.01 71
2 10/23/2023 15:06:50 -70.13, 129.76 98.52 10/23/2023 15:06:53 -70.14, 129.84 98.52 3.00 3
3 10/23/2023 15:57:34 70.01, -62.74 81.37 10/23/2023 15:56:21 69.98, -62.74 81.34 2.71 73
4 10/26/2023 06:33:04 70.18, 78.12 82.45 10/26/2023 06:33:52 70.19, 78.17 82.46 2.07 48
5 10/26/2023 07:23:46 -70.10,-114.43 97.63 10/26/2023 07:23:22 -70.08,-114.36 97.65 3.21 24
6 10/28/2023 22:49:59 70.16,-166.08 83.33 10/28/2023 22:50:19 70.15,-166.00 83.32 3.33 20
7 10/28/2023 23:40:40 -70.02, 1.45 96.80 10/28/2023 23:39:49 -70.04, 1.47 96.79 2.23 51
8 10/31/2023 14:16:09 -70.17, 142.37 95.80 10/31/2023 14:17:20 -70.18, 142.29 95.78 3.46 71
9 10/31/2023 15:06:54 70.10, -50.23 84.15 10/31/2023 15:06:47 70.07, -50.22 84.12 3.18 7
10 10/31/2023 15:57:32 -69.80, 117.54 96.14 10/31/2023 15:56:19 -69.86, 117.11 96.09 17.87 73
11 11/03/2023 06:33:05 -70.17,-101.87 94.95 11/03/2023 06:33:46 -70.18,-101.82 94.93 2.51 41
12 11/03/2023 07:23:49 70.05, 65.62 84.95 11/03/2023 07:23:13 70.07, 65.67 84.97 2.65 36
13 11/05/2023 21:59:27 70.69,-154.25 86.40 11/05/2023 22:00:36 70.58,-152.97 86.28 48.95 69
14 11/05/2023 22:50:00 -70.12, 13.96 94.17 11/05/2023 22:50:12 -70.14, 14.02 94.15 3.04 12
15 11/05/2023 23:40:44 70.01,-178.56 85.74 11/05/2023 23:39:39 70.03,-178.50 85.75 2.89 65

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/23/2023
SNOs_Map_NPP_LANDSAT-9_20231023.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/23/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9