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: 10/31/2023
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 11/01/2023 07:34:21 70.54, 61.63 84.81 11/01/2023 07:35:30 70.45, 63.11 84.72 55.82 69
2 11/01/2023 08:24:52 -69.87,-130.01 95.86 11/01/2023 08:25:08 -69.89,-130.06 95.84 3.05 16
3 11/01/2023 09:15:37 69.80, 37.40 84.09 11/01/2023 09:14:35 69.79, 37.44 84.07 2.48 62
4 11/03/2023 23:51:09 69.95, 178.31 85.06 11/03/2023 23:52:05 69.94, 178.27 85.05 1.76 56
5 11/04/2023 00:41:51 -69.85, -14.22 95.03 11/04/2023 00:41:35 -69.82, -14.26 95.06 2.95 16
6 11/04/2023 01:32:22 69.04, 154.24 84.18 11/04/2023 01:31:14 69.05, 152.36 84.18 74.85 68
7 11/06/2023 16:08:07 69.89, -65.85 85.82 11/06/2023 16:08:31 69.89, -65.90 85.81 2.05 24
8 11/06/2023 16:58:49 -69.79, 101.62 94.28 11/06/2023 16:58:01 -69.77, 101.58 94.29 2.17 48
9 11/09/2023 07:34:21 -69.95,-117.50 93.35 11/09/2023 07:35:29 -69.96,-117.54 93.34 2.28 68
10 11/09/2023 08:25:05 69.84, 49.97 86.56 11/09/2023 08:24:56 69.85, 49.95 86.56 1.22 9
11 11/09/2023 09:15:42 -69.47,-142.17 93.81 11/09/2023 09:14:30 -69.52,-142.87 93.76 27.65 72
12 11/11/2023 23:51:18 -69.91, -1.69 92.64 11/11/2023 23:51:53 -69.90, -1.73 92.66 2.73 35
13 11/12/2023 00:42:02 69.81, 165.78 87.27 11/12/2023 00:41:19 69.84, 165.83 87.29 3.32 43

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/31/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231031.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/31/2023 in txt file.

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