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: 6/6/2023
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 06/07/2023 15:17:47 70.12, -53.41 47.29 06/07/2023 15:18:25 70.12, -53.38 47.29 1.48 38
2 06/07/2023 16:08:28 -69.98, 114.11 132.86 06/07/2023 16:07:55 -70.01, 114.09 132.83 3.24 33
3 06/10/2023 06:44:08 -70.76,-105.98 132.26 06/10/2023 06:45:17 -70.68,-104.33 132.40 61.21 69
4 06/10/2023 07:34:41 70.07, 62.43 47.02 06/10/2023 07:34:53 70.08, 62.44 47.02 1.52 12
5 06/10/2023 08:25:23 -69.98,-130.12 133.08 06/10/2023 08:24:23 -69.97,-130.08 133.09 1.93 60
6 06/12/2023 23:00:50 -70.14, 10.77 133.09 06/12/2023 23:01:53 -70.13, 10.74 133.11 2.02 63
7 06/12/2023 23:51:34 70.03, 178.26 46.80 06/12/2023 23:51:20 70.02, 178.23 46.78 1.65 14
8 06/13/2023 00:42:07 -69.46, -13.59 133.80 06/13/2023 00:40:57 -69.52, -14.81 133.69 48.20 70
9 06/15/2023 15:17:44 -70.11, 126.60 133.26 06/15/2023 15:18:20 -70.10, 126.58 133.27 0.99 36
10 06/15/2023 16:08:28 70.00, -65.93 46.63 06/15/2023 16:07:47 69.98, -65.93 46.62 1.45 41
11 06/18/2023 06:44:02 70.49, 74.45 47.07 06/18/2023 06:45:13 70.37, 75.22 46.91 32.19 71
12 06/18/2023 07:34:38 -70.08,-117.59 133.37 06/18/2023 07:34:46 -70.10,-117.53 133.35 3.45 8
13 06/18/2023 08:25:22 69.97, 49.88 46.53 06/18/2023 08:24:13 69.98, 49.95 46.54 2.98 69

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/6/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230606.jpg

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

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