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: 3/20/2023
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 03/21/2023 22:30:13 72.80,-157.15 72.29 03/21/2023 22:30:39 72.80,-157.07 72.29 2.82 26
2 03/21/2023 23:20:55 -72.69, 10.40 107.84 03/21/2023 23:20:09 -72.68, 10.33 107.85 2.62 46
3 03/24/2023 13:06:53 73.59, -18.00 72.07 03/24/2023 13:07:58 73.48, -15.11 71.94 91.85 65
4 03/24/2023 13:57:21 -72.78, 151.14 108.78 03/24/2023 13:57:39 -72.77, 151.12 108.78 0.92 18
5 03/24/2023 14:48:07 72.71, -41.42 71.15 03/24/2023 14:47:06 72.68, -41.41 71.12 3.48 61
6 03/27/2023 04:33:55 -73.23, -68.92 109.34 03/27/2023 04:35:05 -73.10, -67.63 109.48 44.00 70
7 03/27/2023 05:24:33 72.77, 99.39 70.18 03/27/2023 05:24:36 72.80, 99.41 70.20 3.10 3
8 03/27/2023 06:15:16 -72.71, -93.16 109.90 03/27/2023 06:14:06 -72.68, -93.18 109.93 3.29 70
9 03/29/2023 20:00:59 72.84,-119.82 69.23 03/29/2023 20:02:07 72.83,-119.92 69.21 3.41 68
10 03/29/2023 20:51:42 -72.77, 47.63 110.85 03/29/2023 20:51:36 -72.76, 47.60 110.87 1.75 6
11 03/29/2023 21:42:19 72.26,-144.00 68.62 03/29/2023 21:41:10 72.29,-145.64 68.65 55.53 69
12 04/01/2023 11:28:08 -72.86,-171.61 111.78 04/01/2023 11:29:05 -72.87,-171.58 111.77 1.66 57
13 04/01/2023 12:18:53 72.75, -4.07 68.10 04/01/2023 12:18:32 72.77, -4.13 68.12 3.02 21

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/20/2023
SNOs_Map_FY3D_LANDSAT-8_20230321.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 03/20/2023 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8