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: 8/5/2023
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 08/05/2023 07:34:02 -70.13,-117.57 126.88 08/05/2023 07:35:14 -70.11,-117.38 126.92 7.67 72
2 08/05/2023 08:24:45 69.96, 49.99 52.96 08/05/2023 08:24:42 69.96, 50.06 52.95 2.66 3
3 08/05/2023 09:15:26 -69.82,-142.48 127.18 08/05/2023 09:14:12 -69.84,-142.48 127.15 2.14 74
4 08/07/2023 23:50:52 -70.03, -1.64 126.25 08/07/2023 23:51:46 -70.01, -1.64 126.28 2.07 54
5 08/08/2023 00:41:36 69.92, 165.83 53.65 08/08/2023 00:41:13 69.91, 165.87 53.64 1.57 23
6 08/08/2023 01:32:03 -69.03, -25.57 127.27 08/08/2023 01:30:55 -69.14, -27.54 127.08 79.02 68
7 08/10/2023 16:07:43 -69.99, 114.20 125.52 08/10/2023 16:08:16 -70.00, 114.22 125.53 1.02 33
8 08/10/2023 16:58:27 69.89, -78.33 54.38 08/10/2023 16:57:43 69.89, -78.27 54.39 2.36 44
9 08/13/2023 07:33:59 70.48, 61.90 55.78 08/13/2023 07:35:09 70.39, 63.04 55.64 43.64 70
10 08/13/2023 08:24:33 -69.97,-129.98 124.76 08/13/2023 08:24:45 -69.95,-129.96 124.77 1.78 12
11 08/13/2023 09:15:17 69.86, 37.49 55.15 08/13/2023 09:14:12 69.84, 37.54 55.14 2.53 65
12 08/15/2023 23:50:42 70.04, 178.37 56.14 08/15/2023 23:51:44 70.04, 178.42 56.13 1.91 62
13 08/16/2023 00:41:24 -69.94, -14.16 123.95 08/16/2023 00:41:14 -69.93, -14.10 123.97 2.97 10
14 08/16/2023 01:31:59 69.36, 154.00 55.45 08/16/2023 01:30:48 69.43, 152.87 55.57 44.86 71
15 08/18/2023 16:07:32 69.98, -65.75 56.92 08/18/2023 16:08:13 69.99, -65.76 56.93 0.99 41
16 08/18/2023 16:58:14 -69.88, 101.72 123.17 08/18/2023 16:57:43 -69.88, 101.73 123.17 0.43 31

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/5/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230805.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/05/2023 in txt file.

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