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: 12/7/2023
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 15:17:59 -70.46, 125.84 86.90 12/08/2023 15:19:09 -70.33, 127.04 87.05 46.97 70
2 12/08/2023 16:08:34 69.87, -65.95 92.51 12/08/2023 16:08:42 69.90, -65.93 92.53 3.00 8
3 12/08/2023 16:59:15 -69.78, 101.51 87.59 12/08/2023 16:58:11 -69.78, 101.54 87.58 1.38 64
4 12/11/2023 07:34:44 -69.93,-117.57 87.19 12/11/2023 07:35:41 -69.95,-117.62 87.17 2.66 57
5 12/11/2023 08:25:28 69.82, 49.90 92.71 12/11/2023 08:25:08 69.84, 49.88 92.73 2.49 20
6 12/11/2023 09:15:58 -69.09,-141.73 88.04 12/11/2023 09:14:49 -69.12,-143.45 87.98 68.47 69
7 12/13/2023 23:51:40 -69.93, -1.81 86.98 12/13/2023 23:52:07 -69.92, -1.76 87.00 2.47 27
8 12/14/2023 00:42:24 69.83, 165.66 92.91 12/14/2023 00:41:34 69.81, 165.73 92.90 3.34 50
9 12/16/2023 15:17:53 70.00, -53.45 93.23 12/16/2023 15:19:03 69.97, -53.42 93.20 2.71 70
10 12/16/2023 16:08:34 -69.84, 114.10 86.93 12/16/2023 16:08:33 -69.87, 114.06 86.91 3.01 1
11 12/16/2023 16:59:15 69.58, -78.20 92.80 12/16/2023 16:58:02 69.64, -78.60 92.88 17.09 73
12 12/19/2023 07:34:47 69.91, 62.45 93.24 12/19/2023 07:35:28 69.94, 62.44 93.27 3.53 41
13 12/19/2023 08:25:29 -69.81,-130.08 86.87 12/19/2023 08:24:58 -69.84,-130.07 86.84 3.18 31

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/7/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231207.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/07/2023 in txt file.

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