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: 2/5/2023
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 02/07/2023 15:18:43 -70.13, 126.60 94.57 02/07/2023 15:19:31 -70.14, 126.68 94.57 3.02 48
2 02/07/2023 16:09:27 70.02, -65.91 85.30 02/07/2023 16:08:59 69.99, -65.90 85.27 3.28 28
3 02/07/2023 16:59:51 -68.97, 102.90 95.81 02/07/2023 16:58:45 -68.99, 100.40 95.68 99.93 66
4 02/10/2023 07:35:34 -70.05,-117.50 95.51 02/10/2023 07:36:02 -70.06,-117.57 95.50 2.82 28
5 02/10/2023 08:26:18 69.94, 49.98 84.37 02/10/2023 08:25:29 69.96, 49.93 84.39 2.63 49
6 02/12/2023 23:01:47 70.34,-169.48 83.93 02/12/2023 23:02:58 70.28,-169.01 83.84 18.70 71
7 02/12/2023 23:52:25 -70.03, -1.69 96.41 02/12/2023 23:52:31 -70.01, -1.76 96.43 3.39 6
8 02/13/2023 00:43:09 69.92, 165.78 83.46 02/13/2023 00:41:58 69.90, 165.73 83.46 2.93 71
9 02/15/2023 15:18:35 70.11, -53.36 82.78 02/15/2023 15:19:30 70.10, -53.40 82.75 2.41 55
10 02/15/2023 16:09:17 -70.02, 114.10 97.34 02/15/2023 16:09:00 -69.99, 114.09 97.36 2.92 17
11 02/15/2023 16:59:47 69.17, -77.35 81.76 02/15/2023 16:58:39 69.22, -79.32 81.90 77.77 68
12 02/18/2023 07:35:27 70.11, 62.42 81.84 02/18/2023 07:35:58 70.10, 62.50 81.83 2.92 31
13 02/18/2023 08:26:08 -69.96,-130.03 98.33 02/18/2023 08:25:29 -69.95,-130.09 98.34 2.54 39

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/5/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230205.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/05/2023 in txt file.

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