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: 6/30/2023
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 07/01/2023 15:17:37 -70.06, 126.67 133.05 07/01/2023 15:18:31 -70.06, 126.66 133.07 1.21 54
2 07/01/2023 16:08:21 69.95, -65.85 46.84 07/01/2023 16:07:58 69.95, -65.84 46.84 0.41 23
3 07/01/2023 16:58:49 -69.12, 102.67 134.03 07/01/2023 16:57:41 -69.13, 100.68 133.94 79.07 68
4 07/04/2023 07:34:29 -70.03,-117.50 132.88 07/04/2023 07:35:03 -70.02,-117.52 132.89 1.13 34
5 07/04/2023 08:25:13 69.92, 49.97 47.02 07/04/2023 08:24:30 69.92, 49.98 47.02 0.46 43
6 07/06/2023 23:00:49 70.57,-169.89 47.96 07/06/2023 23:01:59 70.46,-168.65 47.78 47.86 70
7 07/06/2023 23:51:22 -70.00, -1.68 132.65 07/06/2023 23:51:35 -70.02, -1.65 132.63 2.86 13
8 07/07/2023 00:42:06 69.89, 165.79 47.25 07/07/2023 00:41:02 69.91, 165.85 47.27 3.39 64
9 07/09/2023 15:17:33 70.08, -53.34 47.74 07/09/2023 15:18:38 70.05, -53.37 47.70 3.09 65
10 07/09/2023 16:08:15 -69.97, 114.13 132.37 07/09/2023 16:08:08 -69.94, 114.12 132.40 3.12 7
11 07/09/2023 16:58:51 69.45, -77.79 47.09 07/09/2023 16:57:41 69.51, -78.84 47.20 41.53 70
12 07/12/2023 07:34:26 70.06, 62.46 48.07 07/12/2023 07:35:09 70.06, 62.53 48.06 2.78 43
13 07/12/2023 08:25:07 -69.90,-129.99 132.09 07/12/2023 08:24:40 -69.90,-130.06 132.09 2.91 27

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/30/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230701.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/30/2023 in txt file.

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