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: 6/3/2023
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 06/04/2023 23:00:52 70.12,-169.19 47.57 06/04/2023 23:01:57 70.14,-169.24 47.58 2.51 65
2 06/04/2023 23:51:34 -70.04, -1.75 132.52 06/04/2023 23:51:27 -70.02, -1.76 132.54 1.75 7
3 06/05/2023 00:42:11 69.54, 166.29 46.97 06/05/2023 00:41:00 69.59, 165.28 47.05 39.70 71
4 06/07/2023 15:17:47 70.12, -53.42 47.30 06/07/2023 15:18:25 70.12, -53.39 47.29 1.23 38
5 06/07/2023 16:08:28 -69.98, 114.11 132.86 06/07/2023 16:07:55 -70.01, 114.09 132.83 3.21 33
6 06/10/2023 06:44:08 -70.76,-105.98 132.26 06/10/2023 06:45:17 -70.67,-104.34 132.40 60.93 69
7 06/10/2023 07:34:41 70.07, 62.42 47.02 06/10/2023 07:34:53 70.07, 62.43 47.02 0.24 12
8 06/10/2023 08:25:23 -69.98,-130.12 133.08 06/10/2023 08:24:23 -69.97,-130.09 133.09 2.00 60
9 06/12/2023 23:00:50 -70.14, 10.78 133.09 06/12/2023 23:01:53 -70.12, 10.73 133.12 3.17 63
10 06/12/2023 23:51:34 70.03, 178.25 46.80 06/12/2023 23:51:19 70.06, 178.29 46.82 3.33 15
11 06/13/2023 00:42:07 -69.46, -13.59 133.80 06/13/2023 00:40:57 -69.51, -14.83 133.70 48.82 70
12 06/15/2023 15:17:44 -70.10, 126.61 133.26 06/15/2023 15:18:20 -70.08, 126.56 133.29 2.88 36
13 06/15/2023 16:08:28 70.00, -65.92 46.63 06/15/2023 16:07:46 70.02, -65.88 46.65 2.95 42

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/3/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230603.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/03/2023 in txt file.

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