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: 4/20/2022
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 04/20/2022 13:19:44 71.88, -21.19 60.15 04/20/2022 13:20:51 71.86, -21.18 60.13 1.78 67
2 04/20/2022 14:10:27 -71.79, 146.28 119.95 04/20/2022 14:10:20 -71.80, 146.35 119.95 2.24 7
3 04/20/2022 15:01:04 71.29, -45.50 59.53 04/20/2022 14:59:54 71.32, -46.80 59.58 46.52 70
4 04/23/2022 04:46:49 -71.88, -72.94 120.75 04/23/2022 04:47:53 -71.85, -72.95 120.77 2.50 64
5 04/23/2022 05:37:33 71.74, 94.61 59.11 04/23/2022 05:37:20 71.76, 94.53 59.12 3.01 13
6 04/23/2022 06:28:07 -71.19, -97.07 121.47 04/23/2022 06:26:57 -71.26, -98.65 121.38 57.11 70
7 04/25/2022 20:13:56 71.84,-124.64 58.35 04/25/2022 20:14:53 71.85,-124.69 58.36 2.11 57
8 04/25/2022 21:04:40 -71.79, 42.77 121.71 04/25/2022 21:04:22 -71.79, 42.84 121.71 2.48 18
9 04/25/2022 21:55:09 70.89,-148.32 57.38 04/25/2022 21:54:03 70.93,-150.92 57.43 94.58 66
10 04/28/2022 11:41:03 -71.89,-176.47 122.45 04/28/2022 11:41:55 -71.88,-176.41 122.46 2.67 52
11 04/28/2022 12:31:47 71.77, -8.95 57.43 04/28/2022 12:31:22 71.77, -8.94 57.43 0.58 25
12 05/01/2022 03:08:09 71.82, 131.89 56.68 05/01/2022 03:08:55 71.84, 131.79 56.69 3.79 46
13 05/01/2022 03:58:53 -71.76, -60.68 123.40 05/01/2022 03:58:24 -71.79, -60.67 123.38 2.95 29
14 05/03/2022 18:35:15 -71.86, 80.06 124.08 05/03/2022 18:35:56 -71.84, 80.04 124.10 2.53 41
15 05/03/2022 19:25:59 71.76,-112.43 55.81 05/03/2022 19:25:22 71.79,-112.41 55.84 3.40 37

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/20/2022
SNOs_Map_FY3D_LANDSAT-8_20220420.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/20/2022 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8