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: 6/1/2023
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 06/02/2023 06:44:11 70.82, 73.92 48.63 06/02/2023 06:45:19 70.73, 75.75 48.48 67.87 68
2 06/02/2023 07:34:40 -70.06,-117.54 132.18 06/02/2023 07:34:59 -70.06,-117.58 132.17 1.66 19
3 06/02/2023 08:25:25 69.99, 49.87 47.75 06/02/2023 08:24:26 69.96, 49.92 47.73 3.27 59
4 06/04/2023 23:00:52 70.13,-169.20 47.58 06/04/2023 23:01:57 70.13,-169.24 47.58 1.57 65
5 06/04/2023 23:51:34 -70.04, -1.75 132.51 06/04/2023 23:51:27 -70.02, -1.77 132.54 2.49 7
6 06/05/2023 00:42:11 69.55, 166.28 46.98 06/05/2023 00:41:00 69.58, 165.27 47.04 39.34 71
7 06/07/2023 15:17:47 70.13, -53.43 47.30 06/07/2023 15:18:25 70.12, -53.38 47.29 1.79 38
8 06/07/2023 16:08:28 -69.98, 114.11 132.85 06/07/2023 16:07:55 -70.01, 114.10 132.82 3.41 33
9 06/10/2023 06:44:08 -70.76,-105.98 132.26 06/10/2023 06:45:17 -70.69,-104.31 132.39 61.63 69
10 06/10/2023 07:34:41 70.07, 62.42 47.02 06/10/2023 07:34:53 70.09, 62.45 47.03 1.91 12
11 06/10/2023 08:25:23 -69.98,-130.12 133.08 06/10/2023 08:24:23 -69.98,-130.07 133.08 2.17 60
12 06/12/2023 23:00:51 -70.14, 10.78 133.09 06/12/2023 23:01:54 -70.15, 10.77 133.09 1.42 63
13 06/12/2023 23:51:35 70.03, 178.25 46.80 06/12/2023 23:51:21 70.03, 178.25 46.80 0.39 14
14 06/13/2023 00:42:08 -69.51, -13.66 133.75 06/13/2023 00:40:57 -69.55, -14.79 133.67 44.06 71

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/1/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230601.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/01/2023 in txt file.

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