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: 4/29/2023
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 04/30/2023 13:26:57 -70.41, 154.80 124.48 04/30/2023 13:27:25 -70.39, 154.85 124.50 2.25 28
2 04/30/2023 14:17:41 70.29, -37.71 55.40 04/30/2023 14:16:52 70.29, -37.66 55.40 2.22 49
3 05/03/2023 04:53:09 70.62, 102.92 54.95 05/03/2023 04:54:20 70.56, 103.34 54.87 16.98 71
4 05/03/2023 05:43:47 -70.32, -89.28 125.38 05/03/2023 05:43:52 -70.33, -89.35 125.36 3.22 5
5 05/03/2023 06:34:31 70.21, 78.19 54.50 05/03/2023 06:33:19 70.23, 78.14 54.53 3.17 72
6 05/05/2023 21:09:56 70.44,-141.01 53.98 05/05/2023 21:10:47 70.41,-140.98 53.96 2.59 51
7 05/05/2023 22:00:37 -70.29, 26.54 126.18 05/05/2023 22:00:17 -70.30, 26.49 126.17 2.48 20
8 05/05/2023 22:51:05 69.33,-164.74 52.84 05/05/2023 22:49:59 69.37,-167.16 52.92 95.29 66
9 05/08/2023 13:26:46 70.36, -25.12 53.17 05/08/2023 13:27:13 70.35, -25.18 53.15 2.69 27
10 05/08/2023 14:17:28 -70.27, 142.35 126.95 05/08/2023 14:16:43 -70.24, 142.29 126.97 3.41 45
11 05/11/2023 04:52:57 -70.66, -77.12 127.23 05/11/2023 04:54:08 -70.60, -76.58 127.31 21.31 71
12 05/11/2023 05:43:37 70.35, 90.68 52.45 05/11/2023 05:43:37 70.37, 90.74 52.47 3.34 0
13 05/11/2023 06:34:19 -70.25,-101.85 127.67 05/11/2023 06:33:07 -70.27,-101.78 127.65 2.99 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/29/2023
SNOs_Map_NPP_LANDSAT-9_20230429.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/29/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9