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: 4/12/2023
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 04/14/2023 16:43:56 72.85, -70.37 63.26 04/14/2023 16:44:13 72.87, -70.43 63.28 2.83 17
2 04/14/2023 17:34:39 -72.78, 97.08 116.82 04/14/2023 17:33:42 -72.80, 97.08 116.80 2.05 57
3 04/17/2023 07:20:32 73.48, 69.14 62.97 04/17/2023 07:21:40 73.33, 71.10 62.83 64.35 68
4 04/17/2023 08:11:04 -72.86,-122.16 117.66 04/17/2023 08:11:17 -72.85,-122.23 117.68 2.81 13
5 04/17/2023 09:01:50 72.81, 45.27 62.27 04/17/2023 09:00:43 72.81, 45.34 62.27 2.39 67
6 04/19/2023 22:47:36 -73.30, 17.81 118.13 04/19/2023 22:48:46 -73.21, 19.08 118.22 41.88 70
7 04/19/2023 23:38:14 72.85,-173.89 61.41 04/19/2023 23:38:18 72.86,-173.98 61.41 2.95 4
8 04/20/2023 00:28:57 -72.78, -6.42 118.68 04/20/2023 00:27:47 -72.80, -6.46 118.67 2.32 70
9 04/22/2023 14:14:40 73.01, -33.29 60.68 04/22/2023 14:15:51 73.00, -33.10 60.68 6.26 71
10 04/22/2023 15:05:22 -72.88, 134.31 119.47 04/22/2023 15:05:21 -72.89, 134.32 119.45 1.83 1
11 04/22/2023 15:56:03 72.58, -57.76 60.23 04/22/2023 15:54:51 72.64, -58.53 60.28 26.16 72
12 04/25/2023 05:41:47 -72.99, -84.99 120.22 04/25/2023 05:42:55 -72.99, -84.89 120.22 3.01 68
13 04/25/2023 06:32:32 72.90, 82.51 59.68 04/25/2023 06:32:22 72.89, 82.55 59.67 1.70 10

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/12/2023
SNOs_Map_FY3D_LANDSAT-8_20230412.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/12/2023 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8