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: 4/11/2023
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 04/12/2023 01:16:47 -72.89, -18.71 115.74 04/12/2023 01:17:10 -72.88, -18.63 115.75 2.79 23
2 04/12/2023 02:07:32 72.77, 148.84 64.14 04/12/2023 02:06:37 72.79, 148.84 64.15 1.70 55
3 04/14/2023 15:53:23 -73.51, 120.84 116.06 04/14/2023 15:54:31 -73.40, 123.04 116.16 70.73 68
4 04/14/2023 16:43:57 72.85, -70.39 63.27 04/14/2023 16:44:07 72.84, -70.45 63.25 2.67 10
5 04/14/2023 17:34:40 -72.79, 97.06 116.81 04/14/2023 17:33:36 -72.77, 97.05 116.83 2.45 64
6 04/17/2023 07:20:22 72.99, 70.24 62.48 04/17/2023 07:21:34 72.96, 70.41 62.45 6.46 72
7 04/17/2023 08:11:04 -72.87,-122.18 117.65 04/17/2023 08:11:04 -72.84,-122.19 117.69 3.63 0
8 04/17/2023 09:01:45 72.57, 45.77 62.04 04/17/2023 09:00:33 72.64, 45.07 62.10 24.72 72
9 04/19/2023 22:47:28 -72.92, 18.66 118.52 04/19/2023 22:48:32 -72.94, 18.62 118.50 2.70 64
10 04/19/2023 23:38:14 72.87,-173.93 61.43 04/19/2023 23:37:59 72.84,-173.93 61.40 3.39 15
11 04/20/2023 00:28:46 -72.24, -5.31 119.21 04/20/2023 00:27:37 -72.30, -7.31 119.17 67.99 69
12 04/22/2023 14:14:38 72.93, -33.12 60.60 04/22/2023 14:15:26 72.96, -33.08 60.63 3.25 48
13 04/22/2023 15:05:21 -72.85, 134.37 119.49 04/22/2023 15:04:56 -72.84, 134.33 119.50 1.56 25

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/11/2023
SNOs_Map_FY3D_LANDSAT-8_20230411.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/11/2023 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8