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: 3/28/2023
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 03/30/2023 06:44:40 70.60, 74.27 66.91 03/30/2023 06:45:50 70.50, 75.48 66.76 45.96 70
2 03/30/2023 07:35:13 -70.04,-117.53 113.70 03/30/2023 07:35:26 -70.05,-117.53 113.69 1.68 13
3 03/30/2023 08:25:57 69.93, 49.95 66.17 03/30/2023 08:24:53 69.95, 49.96 66.20 2.35 64
4 04/01/2023 23:01:22 70.10,-169.16 65.34 04/01/2023 23:02:21 70.11,-169.20 65.34 1.79 59
5 04/01/2023 23:52:04 -70.01, -1.70 114.77 04/01/2023 23:51:51 -70.00, -1.72 114.79 1.64 13
6 04/02/2023 00:42:37 69.31, 166.62 64.49 04/02/2023 00:41:28 69.33, 165.02 64.57 63.01 69
7 04/04/2023 15:18:13 70.09, -53.35 64.29 04/04/2023 15:18:45 70.06, -53.37 64.26 3.19 32
8 04/04/2023 16:08:53 -69.94, 114.19 115.88 04/04/2023 16:08:14 -69.95, 114.11 115.87 3.08 39
9 04/07/2023 06:44:25 -70.50,-105.53 116.28 04/07/2023 06:45:36 -70.35,-104.69 116.47 35.61 71
10 04/07/2023 07:35:02 70.03, 62.51 63.22 04/07/2023 07:35:07 70.01, 62.47 63.20 2.37 5
11 04/07/2023 08:25:44 -69.94,-130.03 116.90 04/07/2023 08:24:37 -69.91,-130.05 116.92 3.47 67
12 04/09/2023 23:01:08 -70.09, 10.89 117.72 04/09/2023 23:02:02 -70.10, 10.85 117.72 1.59 54
13 04/09/2023 23:51:52 69.99, 178.35 62.17 04/09/2023 23:51:29 69.98, 178.33 62.16 1.39 23

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/28/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230328.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/28/2023 in txt file.

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