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: 12/6/2023
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 12/08/2023 15:17:58 -70.45, 125.85 86.91 12/08/2023 15:19:08 -70.34, 127.05 87.04 46.42 70
2 12/08/2023 16:08:33 69.87, -65.94 92.50 12/08/2023 16:08:42 69.85, -66.00 92.49 2.81 9
3 12/08/2023 16:59:15 -69.77, 101.52 87.60 12/08/2023 16:58:11 -69.79, 101.55 87.58 2.76 64
4 12/11/2023 07:34:44 -69.92,-117.56 87.19 12/11/2023 07:35:41 -69.95,-117.61 87.17 3.16 57
5 12/11/2023 08:25:28 69.82, 49.91 92.70 12/11/2023 08:25:08 69.84, 49.88 92.73 2.73 20
6 12/11/2023 09:15:58 -69.08,-141.72 88.04 12/11/2023 09:14:49 -69.12,-143.45 87.98 68.75 69
7 12/13/2023 23:51:39 -69.88, -1.73 87.03 12/13/2023 23:52:07 -69.90, -1.78 87.02 2.99 28
8 12/14/2023 00:42:23 69.78, 165.74 92.86 12/14/2023 00:41:34 69.79, 165.71 92.88 2.04 49
9 12/16/2023 15:17:53 70.01, -53.47 93.24 12/16/2023 15:19:02 69.99, -53.39 93.22 3.36 69
10 12/16/2023 16:08:34 -69.85, 114.08 86.92 12/16/2023 16:08:33 -69.83, 114.02 86.94 3.54 1
11 12/16/2023 16:59:14 69.54, -78.14 92.76 12/16/2023 16:58:02 69.60, -78.65 92.84 21.13 72
12 12/19/2023 07:34:46 69.94, 62.41 93.26 12/19/2023 07:35:26 69.94, 62.44 93.26 0.92 40
13 12/19/2023 08:25:28 -69.83,-130.11 86.85 12/19/2023 08:24:56 -69.83,-130.08 86.85 1.44 32

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/6/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231206.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/06/2023 in txt file.

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