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: 6/29/2023
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 15:17:36 -70.04, 126.71 133.08 07/01/2023 15:18:31 -70.06, 126.66 133.07 3.34 55
2 07/01/2023 16:08:21 69.98, -65.89 46.86 07/01/2023 16:07:58 69.96, -65.84 46.85 2.80 23
3 07/01/2023 16:58:48 -69.09, 102.71 134.06 07/01/2023 16:57:40 -69.19, 100.75 133.88 78.37 68
4 07/04/2023 07:34:30 -70.05,-117.54 132.85 07/04/2023 07:35:05 -70.03,-117.52 132.88 2.78 35
5 07/04/2023 08:25:14 69.94, 49.93 47.04 07/04/2023 08:24:32 69.92, 49.98 47.02 2.86 42
6 07/06/2023 23:00:51 70.65,-170.02 48.04 07/06/2023 23:02:00 70.57,-168.49 47.89 56.95 69
7 07/06/2023 23:51:23 -70.02, -1.72 132.63 07/06/2023 23:51:38 -70.03, -1.65 132.63 2.61 15
8 07/07/2023 00:42:06 69.86, 165.83 47.22 07/07/2023 00:41:06 69.87, 165.77 47.23 2.33 60
9 07/09/2023 15:17:32 70.05, -53.30 47.71 07/09/2023 15:18:41 70.05, -53.38 47.70 3.05 69
10 07/09/2023 16:08:14 -69.94, 114.18 132.40 07/09/2023 16:08:11 -69.95, 114.11 132.39 2.54 3
11 07/09/2023 16:58:53 69.58, -77.97 47.22 07/09/2023 16:57:41 69.67, -78.62 47.35 27.38 72
12 07/12/2023 07:34:25 70.03, 62.50 48.04 07/12/2023 07:35:13 70.06, 62.51 48.06 3.13 48
13 07/12/2023 08:25:07 -69.92,-130.02 132.07 07/12/2023 08:24:44 -69.91,-130.08 132.09 3.02 23

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/29/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230630.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/29/2023 in txt file.

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