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: 6/22/2023
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 06/23/2023 15:17:42 70.08, -53.36 46.62 06/23/2023 15:18:19 70.07, -53.29 46.61 2.70 37
2 06/23/2023 16:08:23 -69.93, 114.17 133.53 06/23/2023 16:07:49 -69.96, 114.19 133.50 3.29 34
3 06/26/2023 06:44:03 -70.76,-105.98 132.59 06/26/2023 06:45:12 -70.64,-104.22 132.79 66.21 69
4 06/26/2023 07:34:35 70.02, 62.50 46.63 06/26/2023 07:34:48 70.04, 62.55 46.64 2.69 13
5 06/26/2023 08:25:17 -69.93,-130.05 133.47 06/26/2023 08:24:18 -69.93,-129.97 133.46 2.97 59
6 06/28/2023 23:00:44 -70.08, 10.87 133.19 06/28/2023 23:01:50 -70.09, 10.87 133.20 0.73 66
7 06/28/2023 23:51:28 69.98, 178.34 46.70 06/28/2023 23:51:17 69.98, 178.35 46.70 0.61 11
8 06/29/2023 00:42:04 -69.56, -13.73 133.74 06/29/2023 00:40:52 -69.60, -14.54 133.66 31.52 72
9 07/01/2023 15:17:36 -70.04, 126.70 133.07 07/01/2023 15:18:17 -70.06, 126.72 133.06 2.31 41
10 07/01/2023 16:08:20 69.94, -65.83 46.82 07/01/2023 16:07:44 69.95, -65.80 46.83 1.48 36
11 07/04/2023 06:43:58 70.69, 74.13 47.83 07/04/2023 06:45:07 70.55, 75.69 47.61 59.64 69
12 07/04/2023 07:34:29 -70.01,-117.47 132.90 07/04/2023 07:34:45 -70.01,-117.46 132.90 0.45 16
13 07/04/2023 08:25:13 69.91, 49.98 47.01 07/04/2023 08:24:12 69.89, 50.02 46.99 2.69 61

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/22/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230622.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/22/2023 in txt file.

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