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: 4/19/2021
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 04/20/2021 11:22:41 -71.06,-173.25 120.71 04/20/2021 11:23:31 -71.08,-173.21 120.70 2.60 50
2 04/20/2021 12:13:24 70.94, -5.73 59.16 04/20/2021 12:12:59 70.93, -5.81 59.15 3.18 25
3 04/23/2021 03:39:01 -71.08, -57.34 121.60 04/23/2021 03:39:59 -71.07, -57.36 121.61 1.51 58
4 04/23/2021 04:29:44 70.96, 110.18 58.27 04/23/2021 04:29:26 70.97, 110.13 58.28 2.20 18
5 04/23/2021 05:20:14 -70.25, -81.35 122.47 04/23/2021 05:19:06 -70.31, -83.23 122.38 70.90 68
6 04/25/2021 19:55:20 -71.10, 58.56 122.45 04/25/2021 19:56:25 -71.10, 58.57 122.46 0.53 65
7 04/25/2021 20:46:03 70.98,-133.91 57.41 04/25/2021 20:45:52 71.00,-133.95 57.43 2.48 11
8 04/25/2021 21:36:38 -70.53, 34.14 123.06 04/25/2021 21:35:27 -70.62, 33.11 122.96 39.54 71
9 04/28/2021 12:11:40 -71.12, 174.46 123.28 04/28/2021 12:12:52 -71.13, 174.50 123.28 1.69 72
10 04/28/2021 13:02:23 71.00, -18.01 56.58 04/28/2021 13:02:19 71.02, -18.03 56.60 2.73 4
11 04/28/2021 13:53:03 -70.81, 149.61 123.62 04/28/2021 13:51:50 -70.86, 149.36 123.57 10.81 73
12 05/01/2021 04:28:05 -71.41, -70.10 123.82 05/01/2021 04:29:16 -71.32, -69.32 123.92 29.31 71
13 05/01/2021 05:18:43 71.02, 97.88 55.78 05/01/2021 05:18:46 71.04, 97.88 55.80 2.43 3
14 05/01/2021 06:09:25 -70.94, -94.66 124.31 05/01/2021 06:08:16 -70.94, -94.64 124.32 0.85 69

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/19/2021
SNOs_Map_FY3D_LANDSAT-8_20210419.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/19/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8