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: 3/11/2023
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 03/11/2023 15:18:38 -70.10, 126.57 106.24 03/11/2023 15:19:10 -70.10, 126.64 106.25 2.72 32
2 03/11/2023 16:09:21 69.94, -65.86 73.58 03/11/2023 16:08:38 69.94, -65.94 73.59 2.92 43
3 03/14/2023 06:44:55 70.54, 74.34 73.19 03/14/2023 06:46:05 70.41, 75.33 73.01 39.45 70
4 03/14/2023 07:35:29 -70.03,-117.54 107.37 03/14/2023 07:35:40 -70.03,-117.59 107.37 1.70 11
5 03/14/2023 08:26:13 69.92, 49.94 72.50 03/14/2023 08:25:07 69.92, 49.90 72.51 1.29 66
6 03/16/2023 23:01:40 70.12,-169.22 71.68 03/16/2023 23:02:39 70.11,-169.23 71.66 1.06 59
7 03/16/2023 23:52:22 -70.03, -1.76 108.44 03/16/2023 23:52:09 -70.01, -1.74 108.46 2.16 13
8 03/17/2023 00:42:55 69.33, 166.56 70.82 03/17/2023 00:41:45 69.40, 165.07 70.95 58.98 70
9 03/19/2023 15:18:32 70.09, -53.40 70.58 03/19/2023 15:19:07 70.08, -53.39 70.56 0.78 35
10 03/19/2023 16:09:14 -69.99, 114.07 109.54 03/19/2023 16:08:37 -69.98, 114.10 109.55 1.72 37
11 03/22/2023 06:44:50 -70.70,-105.89 109.84 03/22/2023 06:45:59 -70.60,-104.40 110.00 56.26 69
12 03/22/2023 07:35:23 70.02, 62.48 69.44 03/22/2023 07:35:34 70.04, 62.44 69.46 3.07 11
13 03/22/2023 08:26:05 -69.92,-130.05 110.68 03/22/2023 08:25:04 -69.94,-130.07 110.65 2.57 61
14 03/24/2023 23:01:30 -70.12, 10.79 111.50 03/24/2023 23:02:32 -70.12, 10.80 111.52 0.22 62
15 03/24/2023 23:52:14 70.02, 178.25 68.38 03/24/2023 23:51:59 70.00, 178.27 68.36 2.73 15
16 03/25/2023 00:42:47 -69.45, -13.58 112.24 03/25/2023 00:41:36 -69.52, -14.76 112.12 46.83 71

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/11/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230311.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/11/2023 in txt file.

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