Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/29/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 09/30/2023 07:34:13 70.74, 61.40 73.39 09/30/2023 07:35:21 70.61, 63.36 73.24 73.47 68
2 09/30/2023 08:24:41 -69.92,-130.00 107.44 09/30/2023 08:25:02 -69.90,-130.03 107.45 1.93 21
3 09/30/2023 09:15:25 69.79, 37.49 72.45 09/30/2023 09:14:29 69.79, 37.46 72.46 1.30 56
4 10/02/2023 23:50:53 69.98, 178.36 73.65 10/02/2023 23:52:04 69.99, 178.33 73.66 1.76 71
5 10/03/2023 00:41:35 -69.89, -14.20 106.42 10/03/2023 00:41:34 -69.89, -14.18 106.43 0.89 1
6 10/03/2023 01:32:16 69.61, 153.53 73.31 10/03/2023 01:31:03 69.67, 153.16 73.36 15.52 73
7 10/05/2023 16:07:47 69.97, -65.85 74.67 10/05/2023 16:08:35 69.99, -65.80 74.69 2.81 48
8 10/05/2023 16:58:28 -69.83, 101.68 105.46 10/05/2023 16:58:06 -69.83, 101.62 105.46 2.32 22
9 10/08/2023 08:24:39 69.92, 50.00 75.65 10/08/2023 08:25:05 69.95, 50.02 75.68 3.45 26
10 10/08/2023 09:15:21 -69.83,-142.55 104.44 10/08/2023 09:14:35 -69.85,-142.48 104.41 3.54 46
11 10/10/2023 23:50:54 -70.30, -2.12 102.97 10/10/2023 23:52:05 -70.21, -1.38 103.07 29.99 71
12 10/11/2023 00:41:32 69.88, 165.83 76.62 10/11/2023 00:41:36 69.87, 165.79 76.61 1.70 4
13 10/11/2023 01:32:14 -69.78, -26.71 103.47 10/11/2023 01:31:06 -69.77, -26.71 103.48 1.06 68

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/29/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230929.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 09/29/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9