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: 10/27/2023
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 10/29/2023 16:07:54 -69.93, 114.15 96.67 10/29/2023 16:08:41 -69.94, 114.12 96.66 1.80 47
2 10/29/2023 16:58:38 69.81, -78.36 83.23 10/29/2023 16:58:08 69.84, -78.38 83.25 3.08 30
3 11/01/2023 07:34:22 70.57, 61.59 84.84 11/01/2023 07:35:31 70.42, 63.06 84.69 57.55 69
4 11/01/2023 08:24:53 -69.89,-130.04 95.83 11/01/2023 08:25:08 -69.92,-130.02 95.81 3.16 15
5 11/01/2023 09:15:37 69.78, 37.44 84.07 11/01/2023 09:14:36 69.76, 37.40 84.04 2.71 61
6 11/03/2023 23:51:10 69.97, 178.28 85.08 11/03/2023 23:52:05 69.97, 178.32 85.08 1.73 55
7 11/04/2023 00:41:52 -69.87, -14.25 95.01 11/04/2023 00:41:35 -69.86, -14.20 95.02 2.11 17
8 11/04/2023 01:32:22 69.01, 154.28 84.15 11/04/2023 01:31:14 69.09, 152.41 84.22 75.11 68
9 11/06/2023 16:08:07 69.90, -65.87 85.83 11/06/2023 16:08:31 69.88, -65.91 85.81 3.10 24
10 11/06/2023 16:58:49 -69.80, 101.60 94.27 11/06/2023 16:58:01 -69.77, 101.57 94.30 3.14 48
11 11/09/2023 07:34:21 -69.95,-117.50 93.35 11/09/2023 07:35:29 -69.98,-117.52 93.33 3.11 68
12 11/09/2023 08:25:05 69.85, 49.96 86.56 11/09/2023 08:24:56 69.86, 49.97 86.57 1.50 9
13 11/09/2023 09:15:42 -69.48,-142.17 93.81 11/09/2023 09:14:30 -69.54,-142.85 93.75 27.16 72

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/27/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231027.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/27/2023 in txt file.

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