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: 9/27/2023
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 09/29/2023 14:16:17 -70.18, 142.38 107.47 09/29/2023 14:17:08 -70.21, 142.36 107.44 3.17 51
2 09/29/2023 15:07:01 70.08, -50.15 72.45 09/29/2023 15:06:35 70.10, -50.15 72.47 2.80 26
3 09/29/2023 15:57:27 -69.14, 118.54 108.49 09/29/2023 15:56:20 -69.17, 116.21 108.45 92.44 67
4 10/02/2023 06:33:07 -70.16,-101.81 106.45 10/02/2023 06:33:33 -70.17,-101.79 106.44 1.40 26
5 10/02/2023 07:23:51 70.06, 65.66 73.47 10/02/2023 07:23:00 70.06, 65.69 73.47 1.27 51
6 10/04/2023 21:59:17 70.31,-153.57 74.72 10/04/2023 22:00:28 70.26,-153.40 74.67 8.17 71
7 10/04/2023 22:49:57 -70.10, 14.07 105.48 10/04/2023 22:49:59 -70.10, 14.00 105.48 2.81 2
8 10/04/2023 23:40:39 69.90,-178.31 74.33 10/04/2023 23:39:27 69.93,-178.60 74.36 11.54 72
9 10/07/2023 14:16:06 70.21, -37.63 75.65 10/07/2023 14:16:53 70.19, -37.60 75.63 2.25 47
10 10/07/2023 15:06:48 -70.11, 129.85 104.45 10/07/2023 15:06:23 -70.09, 129.89 104.47 2.60 25
11 10/10/2023 05:42:29 -71.16, -90.69 102.39 10/10/2023 05:43:35 -71.07, -88.00 102.48 97.36 66
12 10/10/2023 06:32:55 70.12, 78.29 76.58 10/10/2023 06:33:17 70.14, 78.23 76.59 2.85 22
13 10/10/2023 07:23:37 -70.02,-114.23 103.52 10/10/2023 07:22:47 -70.03,-114.28 103.50 2.69 50

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/27/2023
SNOs_Map_NPP_LANDSAT-9_20230927.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/27/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9