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: 3/9/2023
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 15:18:37 -70.09, 126.60 106.26 03/11/2023 15:19:05 -70.08, 126.64 106.27 1.37 28
2 03/11/2023 16:09:21 69.97, -65.92 73.62 03/11/2023 16:08:32 69.98, -65.87 73.62 1.89 49
3 03/14/2023 06:44:48 70.16, 74.95 72.78 03/14/2023 06:45:59 70.16, 75.01 72.76 2.41 71
4 03/14/2023 07:35:29 -70.01,-117.51 107.39 03/14/2023 07:35:29 -70.04,-117.52 107.36 3.57 0
5 03/14/2023 08:26:11 69.80, 50.12 72.37 03/14/2023 08:24:58 69.82, 49.82 72.42 11.93 73
6 03/16/2023 23:01:40 70.11,-169.20 71.66 03/16/2023 23:02:22 70.11,-169.16 71.65 1.70 42
7 03/16/2023 23:52:22 -70.01, -1.74 108.46 03/16/2023 23:51:52 -70.00, -1.68 108.47 2.78 30
8 03/19/2023 14:27:58 -70.76, 138.24 108.71 03/19/2023 14:29:07 -70.66, 139.91 108.88 62.50 69
9 03/19/2023 15:18:30 70.02, -53.30 70.51 03/19/2023 15:18:43 70.05, -53.33 70.53 3.07 13
10 03/19/2023 16:09:12 -69.93, 114.17 109.61 03/19/2023 16:08:13 -69.94, 114.15 109.59 1.75 59
11 03/22/2023 06:44:38 -70.11,-104.97 110.45 03/22/2023 06:45:37 -70.10,-104.99 110.47 1.39 59
12 03/22/2023 07:35:22 70.01, 62.49 69.43 03/22/2023 07:35:04 69.98, 62.49 69.40 3.51 18

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/9/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230310.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/09/2023 in txt file.

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