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: 8/4/2023
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 08/04/2023 13:26:15 -70.29, 154.88 126.94 08/04/2023 13:27:27 -70.30, 154.83 126.94 2.45 72
2 08/04/2023 14:17:00 70.21, -37.70 52.99 08/04/2023 14:16:54 70.21, -37.66 52.99 1.56 6
3 08/04/2023 15:07:39 -69.98, 129.98 127.25 08/04/2023 15:06:25 -70.03, 129.72 127.18 11.63 74
4 08/07/2023 05:43:08 -70.25, -89.30 126.25 08/07/2023 05:43:57 -70.26, -89.34 126.25 2.32 49
5 08/07/2023 06:33:53 70.18, 78.12 53.69 08/07/2023 06:33:24 70.17, 78.16 53.67 2.26 29
6 08/09/2023 21:09:37 71.20,-142.40 55.50 08/09/2023 21:10:43 71.13,-139.78 55.34 94.44 66
7 08/09/2023 22:00:02 -70.22, 26.51 125.52 08/09/2023 22:00:27 -70.25, 26.52 125.50 3.20 25
8 08/09/2023 22:50:46 70.11,-166.00 54.37 08/09/2023 22:49:55 70.10,-166.06 54.36 2.52 51
9 08/12/2023 13:26:15 70.35, -25.23 55.39 08/12/2023 13:27:27 70.32, -25.13 55.35 4.91 72
10 08/12/2023 14:16:56 -70.20, 142.31 124.76 08/12/2023 14:16:57 -70.21, 142.34 124.75 1.41 1
11 08/12/2023 15:07:38 69.98, -50.05 55.03 08/12/2023 15:06:25 70.05, -50.24 55.11 10.29 73
12 08/15/2023 05:43:07 70.24, 90.71 56.09 08/15/2023 05:43:57 70.24, 90.65 56.09 2.53 50
13 08/15/2023 06:33:49 -70.14,-101.82 124.01 08/15/2023 06:33:27 -70.14,-101.87 124.01 1.88 22
14 08/17/2023 22:00:00 70.24,-153.52 56.93 08/17/2023 22:00:24 70.25,-153.46 56.93 2.74 24
15 08/17/2023 22:50:41 -70.09, 14.03 123.22 08/17/2023 22:49:55 -70.09, 13.95 123.21 2.98 46

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/4/2023
SNOs_Map_NPP_LANDSAT-9_20230804.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/04/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9