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: 2/3/2023
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 02/04/2023 23:01:51 -70.17, 10.78 93.72 02/04/2023 23:03:01 -70.15, 10.81 93.75 2.32 70
2 02/04/2023 23:52:35 70.05, 178.26 86.15 02/04/2023 23:52:28 70.05, 178.31 86.15 1.83 7
3 02/05/2023 00:43:13 -69.75, -13.97 94.17 02/05/2023 00:42:00 -69.82, -14.37 94.08 17.12 73
4 02/07/2023 15:18:43 -70.13, 126.60 94.57 02/07/2023 15:19:31 -70.15, 126.68 94.57 3.19 48
5 02/07/2023 16:09:26 69.97, -65.84 85.25 02/07/2023 16:08:59 69.99, -65.90 85.27 3.35 27
6 02/07/2023 16:59:51 -68.98, 102.90 95.81 02/07/2023 16:58:45 -68.99, 100.40 95.67 99.79 66
7 02/10/2023 07:35:34 -70.05,-117.50 95.51 02/10/2023 07:36:02 -70.07,-117.56 95.50 2.70 28
8 02/10/2023 08:26:18 69.94, 49.97 84.37 02/10/2023 08:25:29 69.96, 49.93 84.39 2.29 49
9 02/12/2023 23:01:47 70.34,-169.48 83.93 02/12/2023 23:02:58 70.29,-169.00 83.84 19.15 71
10 02/12/2023 23:52:25 -70.03, -1.70 96.41 02/12/2023 23:52:31 -70.02, -1.75 96.43 2.70 6
11 02/13/2023 00:43:09 69.93, 165.77 83.47 02/13/2023 00:41:58 69.91, 165.74 83.46 2.59 71
12 02/15/2023 15:18:35 70.12, -53.37 82.79 02/15/2023 15:19:30 70.10, -53.38 82.76 1.74 55
13 02/15/2023 16:09:17 -70.02, 114.10 97.33 02/15/2023 16:09:00 -70.00, 114.11 97.35 2.12 17
14 02/15/2023 16:59:47 69.17, -77.36 81.77 02/15/2023 16:58:39 69.22, -79.30 81.91 77.01 68

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/3/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230203.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/03/2023 in txt file.

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