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: 6/24/2023
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 06/26/2023 06:44:02 -70.74,-105.95 132.61 06/26/2023 06:45:11 -70.65,-104.20 132.78 65.07 69
2 06/26/2023 07:34:34 70.00, 62.53 46.61 06/26/2023 07:34:48 70.00, 62.49 46.60 1.64 14
3 06/26/2023 08:25:16 -69.91,-130.02 133.49 06/26/2023 08:24:18 -69.89,-130.03 133.51 2.87 58
4 06/28/2023 23:00:43 -70.06, 10.90 133.21 06/28/2023 23:01:49 -70.09, 10.86 133.20 2.77 66
5 06/28/2023 23:51:27 69.95, 178.37 46.68 06/28/2023 23:51:16 69.98, 178.35 46.70 2.47 11
6 06/29/2023 00:42:03 -69.54, -13.70 133.76 06/29/2023 00:40:51 -69.60, -14.54 133.67 32.98 72
7 07/01/2023 15:17:36 -70.02, 126.73 133.10 07/01/2023 15:18:17 -70.04, 126.70 133.08 2.68 41
8 07/01/2023 16:08:20 69.92, -65.80 46.80 07/01/2023 16:07:44 69.93, -65.82 46.82 1.51 36
9 07/04/2023 06:43:57 70.62, 74.26 47.75 07/04/2023 06:45:07 70.51, 75.64 47.58 52.47 70
10 07/04/2023 07:34:29 -69.99,-117.44 132.92 07/04/2023 07:34:45 -69.97,-117.51 132.94 3.46 16
11 07/04/2023 08:25:13 69.89, 50.02 46.98 07/04/2023 08:24:11 69.91, 50.05 47.01 2.36 62
12 07/06/2023 23:00:39 70.07,-169.10 47.42 07/06/2023 23:01:40 70.07,-169.10 47.42 0.81 61
13 07/06/2023 23:51:21 -69.96, -1.63 132.69 07/06/2023 23:51:10 -69.98, -1.61 132.68 1.69 11
14 07/07/2023 00:41:55 69.33, 166.60 46.66 07/07/2023 00:40:45 69.41, 165.27 46.80 52.97 70

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/24/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230624.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/24/2023 in txt file.

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