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: 5/8/2023
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 05/08/2023 13:26:46 70.38, -25.15 53.19 05/08/2023 13:27:19 70.36, -25.20 53.16 3.00 33
2 05/08/2023 14:17:28 -70.30, 142.31 126.92 05/08/2023 14:16:48 -70.30, 142.35 126.91 1.63 40
3 05/11/2023 04:53:03 -71.01, -77.70 126.87 05/11/2023 04:54:12 -70.93, -76.11 126.98 58.08 69
4 05/11/2023 05:43:36 70.33, 90.72 52.42 05/11/2023 05:43:48 70.34, 90.65 52.43 3.09 12
5 05/11/2023 06:34:18 -70.23,-101.82 127.69 05/11/2023 06:33:18 -70.23,-101.89 127.69 2.65 60
6 05/13/2023 21:09:43 -70.43, 39.02 128.14 05/13/2023 21:10:49 -70.44, 39.03 128.13 1.00 66
7 05/13/2023 22:00:27 70.33,-153.51 51.75 05/13/2023 22:00:16 70.34,-153.48 51.76 1.23 11
8 05/13/2023 22:51:03 -69.92, 14.44 128.68 05/13/2023 22:49:51 -69.95, 13.60 128.63 32.08 72
9 05/16/2023 13:26:33 -70.39, 154.87 128.81 05/16/2023 13:27:17 -70.41, 154.86 128.80 2.17 44
10 05/16/2023 14:17:17 70.29, -37.67 51.08 05/16/2023 14:16:44 70.30, -37.65 51.09 1.17 33
11 05/19/2023 04:52:55 71.25, 101.92 51.49 05/19/2023 04:54:02 71.11, 104.17 51.30 82.18 67
12 05/19/2023 05:43:22 -70.36, -89.30 129.44 05/19/2023 05:43:44 -70.35, -89.35 129.46 2.45 22
13 05/19/2023 06:34:06 70.26, 78.16 50.45 05/19/2023 06:33:10 70.29, 78.21 50.48 3.33 56
14 05/21/2023 21:09:30 70.44,-140.96 50.10 05/21/2023 21:10:40 70.46,-140.93 50.11 2.34 70
15 05/21/2023 22:00:12 -70.34, 26.52 130.02 05/21/2023 22:00:10 -70.36, 26.55 130.01 2.53 2
16 05/21/2023 22:50:52 70.03,-165.70 49.66 05/21/2023 22:49:40 70.08,-166.21 49.72 19.87 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/8/2023
SNOs_Map_NPP_LANDSAT-9_20230508.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/08/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9