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 04/12/2023 01:16:47 -72.88, -18.69 115.75 04/12/2023 01:17:10 -72.89, -18.61 115.74 2.85 23
2 04/12/2023 02:07:32 72.77, 148.85 64.13 04/12/2023 02:06:37 72.80, 148.86 64.16 3.50 55
3 04/14/2023 15:53:22 -73.50, 120.85 116.06 04/14/2023 15:54:30 -73.42, 123.07 116.15 70.98 68
4 04/14/2023 16:43:56 72.85, -70.38 63.27 04/14/2023 16:44:06 72.85, -70.42 63.27 1.41 10
5 04/14/2023 17:34:39 -72.78, 97.08 116.82 04/14/2023 17:33:35 -72.79, 97.08 116.82 0.28 64
6 04/17/2023 07:20:23 73.04, 70.15 62.53 04/17/2023 07:21:34 72.99, 70.46 62.48 11.76 71
7 04/17/2023 08:11:04 -72.87,-122.17 117.66 04/17/2023 08:11:04 -72.87,-122.14 117.66 0.90 0
8 04/17/2023 09:01:45 72.56, 45.78 62.03 04/17/2023 09:00:33 72.66, 45.11 62.13 24.85 72
9 04/19/2023 22:47:28 -72.92, 18.67 118.52 04/19/2023 22:48:33 -72.92, 18.58 118.51 3.00 65
10 04/19/2023 23:38:14 72.87,-173.92 61.43 04/19/2023 23:37:59 72.88,-173.86 61.43 2.17 15
11 04/20/2023 00:28:46 -72.24, -5.30 119.21 04/20/2023 00:27:38 -72.28, -7.34 119.18 69.22 68
12 04/22/2023 14:14:38 72.93, -33.11 60.60 04/22/2023 14:15:27 72.96, -33.09 60.63 2.97 49
13 04/22/2023 15:05:21 -72.85, 134.38 119.50 04/22/2023 15:04:57 -72.84, 134.32 119.51 1.94 24

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/9/2023
SNOs_Map_FY3D_LANDSAT-8_20230410.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