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: 9/28/2023
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 -70.19, 142.37 107.46 09/29/2023 14:17:08 -70.21, 142.35 107.45 2.13 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 2.00 26
3 09/29/2023 15:57:27 -69.14, 118.53 108.49 09/29/2023 15:56:20 -69.16, 116.20 108.45 92.38 67
4 10/02/2023 06:33:08 -70.17,-101.81 106.45 10/02/2023 06:33:34 -70.17,-101.80 106.44 1.12 26
5 10/02/2023 07:23:52 70.06, 65.66 73.47 10/02/2023 07:23:01 70.06, 65.69 73.47 1.34 51
6 10/04/2023 21:59:17 70.31,-153.56 74.72 10/04/2023 22:00:28 70.26,-153.40 74.68 7.65 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 2.60 2
8 10/04/2023 23:40:39 69.89,-178.31 74.33 10/04/2023 23:39:27 69.93,-178.59 74.37 11.74 72
9 10/07/2023 14:16:06 70.20, -37.62 75.64 10/07/2023 14:16:53 70.20, -37.58 75.64 1.47 47
10 10/07/2023 15:06:48 -70.10, 129.86 104.45 10/07/2023 15:06:23 -70.10, 129.90 104.45 1.79 25
11 10/10/2023 06:32:56 70.16, 78.23 76.62 10/10/2023 06:33:17 70.16, 78.26 76.62 1.22 21
12 10/10/2023 07:23:38 -70.06,-114.29 103.48 10/10/2023 07:22:47 -70.06,-114.25 103.48 1.69 51

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/28/2023
SNOs_Map_NPP_LANDSAT-9_20230928.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/28/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9