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: 6/25/2023
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 06/26/2023 06:44:03 -70.75,-105.97 132.60 06/26/2023 06:45:12 -70.63,-104.22 132.79 65.41 69
2 06/26/2023 07:34:35 70.01, 62.51 46.62 06/26/2023 07:34:48 70.04, 62.55 46.64 3.34 13
3 06/26/2023 08:25:17 -69.92,-130.03 133.48 06/26/2023 08:24:18 -69.93,-129.97 133.47 2.33 59
4 06/28/2023 23:00:43 -70.07, 10.88 133.20 06/28/2023 23:01:49 -70.07, 10.84 133.22 1.74 66
5 06/28/2023 23:51:27 69.96, 178.36 46.69 06/28/2023 23:51:16 69.96, 178.33 46.68 1.17 11
6 06/29/2023 00:42:02 -69.50, -13.64 133.80 06/29/2023 00:40:51 -69.58, -14.57 133.68 36.88 71
7 07/01/2023 15:17:36 -70.03, 126.72 133.08 07/01/2023 15:18:17 -70.02, 126.66 133.11 2.85 41
8 07/01/2023 16:08:20 69.93, -65.81 46.81 07/01/2023 16:07:44 69.90, -65.85 46.79 3.06 36
9 07/04/2023 06:43:57 70.63, 74.24 47.76 07/04/2023 06:45:06 70.53, 75.67 47.59 53.91 69
10 07/04/2023 07:34:29 -70.00,-117.46 132.91 07/04/2023 07:34:44 -69.99,-117.48 132.92 1.62 15
11 07/04/2023 08:25:13 69.90, 50.01 46.99 07/04/2023 08:24:11 69.87, 50.00 46.97 2.93 62
12 07/06/2023 23:00:40 70.08,-169.12 47.43 07/06/2023 23:01:40 70.08,-169.08 47.43 1.44 60
13 07/06/2023 23:51:22 -69.97, -1.64 132.68 07/06/2023 23:51:10 -69.98, -1.59 132.67 2.10 12
14 07/07/2023 00:41:55 69.29, 166.66 46.62 07/07/2023 00:40:46 69.36, 165.21 46.76 57.75 69

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/25/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230625.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/25/2023 in txt file.

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