Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/22/2021
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/23/2021 03:39:00 -71.08, -57.33 121.60 04/23/2021 03:39:58 -71.07, -57.35 121.61 0.86 58
2 04/23/2021 04:29:44 71.00, 110.11 58.31 04/23/2021 04:29:25 70.97, 110.14 58.28 3.33 19
3 04/23/2021 05:20:13 -70.24, -81.34 122.47 04/23/2021 05:19:05 -70.31, -83.22 122.38 71.11 68
4 04/25/2021 19:55:20 -71.10, 58.57 122.46 04/25/2021 19:56:25 -71.11, 58.58 122.46 1.12 65
5 04/25/2021 20:46:04 71.02,-133.99 57.45 04/25/2021 20:45:52 71.00,-133.94 57.43 2.54 12
6 04/25/2021 21:36:38 -70.53, 34.15 123.07 04/25/2021 21:35:27 -70.62, 33.11 122.96 40.04 71
7 04/28/2021 12:11:40 -71.12, 174.47 123.29 04/28/2021 12:12:52 -71.13, 174.50 123.28 2.15 72
8 04/28/2021 13:02:24 71.04, -18.08 56.62 04/28/2021 13:02:19 71.03, -18.02 56.61 2.60 5
9 04/28/2021 13:53:03 -70.81, 149.63 123.63 04/28/2021 13:51:50 -70.86, 149.36 123.57 11.75 73
10 05/01/2021 04:28:05 -71.40, -70.08 123.83 05/01/2021 04:29:17 -71.26, -69.41 123.98 28.04 72
11 05/01/2021 05:18:44 71.06, 97.82 55.82 05/01/2021 05:18:46 71.05, 97.89 55.80 3.01 2
12 05/01/2021 06:09:25 -70.93, -94.65 124.33 05/01/2021 06:08:16 -70.94, -94.64 124.32 0.90 69
13 05/03/2021 20:44:29 -71.68, 45.35 124.33 05/03/2021 20:45:38 -71.55, 46.94 124.48 57.50 69
14 05/03/2021 21:35:02 71.03,-146.20 55.00 05/03/2021 21:35:12 71.06,-146.21 55.02 3.31 10
15 05/03/2021 22:25:44 -70.96, 21.25 125.09 05/03/2021 22:24:42 -70.96, 21.26 125.09 0.46 62

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/22/2021
SNOs_Map_FY3D_LANDSAT-8_20210422.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/22/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8