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: 4/9/2023
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 04/09/2023 09:49:39 72.88, 33.06 65.23 04/09/2023 09:50:11 72.87, 33.12 65.23 1.87 32
2 04/09/2023 10:40:21 -72.77,-159.39 114.89 04/09/2023 10:39:40 -72.80,-159.39 114.87 3.22 41
3 04/12/2023 01:16:47 -72.89, -18.70 115.74 04/12/2023 01:17:10 -72.88, -18.62 115.74 2.72 23
4 04/12/2023 02:07:32 72.77, 148.84 64.14 04/12/2023 02:06:37 72.79, 148.85 64.16 2.22 55
5 04/14/2023 15:53:23 -73.51, 120.84 116.06 04/14/2023 15:54:31 -73.41, 123.06 116.15 71.11 68
6 04/14/2023 16:43:57 72.86, -70.39 63.27 04/14/2023 16:44:07 72.85, -70.43 63.26 1.58 10
7 04/14/2023 17:34:39 -72.79, 97.07 116.81 04/14/2023 17:33:35 -72.78, 97.07 116.82 1.04 64
8 04/17/2023 07:20:23 73.05, 70.13 62.54 04/17/2023 07:21:34 72.98, 70.44 62.47 12.64 71
9 04/17/2023 08:11:04 -72.88,-122.18 117.65 04/17/2023 08:11:04 -72.86,-122.15 117.67 1.80 0
10 04/17/2023 09:01:45 72.57, 45.77 62.04 04/17/2023 09:00:33 72.66, 45.10 62.12 24.18 72
11 04/19/2023 22:47:28 -72.92, 18.66 118.51 04/19/2023 22:48:33 -72.91, 18.57 118.52 3.05 65
12 04/19/2023 23:38:14 72.88,-173.94 61.43 04/19/2023 23:37:59 72.87,-173.88 61.42 2.09 15
13 04/20/2023 00:28:46 -72.24, -5.32 119.21 04/20/2023 00:27:38 -72.27, -7.35 119.19 69.18 68
14 04/22/2023 14:14:38 72.94, -33.13 60.61 04/22/2023 14:15:27 72.94, -33.11 60.61 0.99 49
15 04/22/2023 15:05:21 -72.86, 134.36 119.49 04/22/2023 15:04:56 -72.88, 134.41 119.46 3.32 25

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/9/2023
SNOs_Map_FY3D_LANDSAT-8_20230409.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/09/2023 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8