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: 8/4/2023
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 -70.14,-117.59 126.87 08/05/2023 07:35:14 -70.10,-117.40 126.93 8.85 72
2 08/05/2023 08:24:44 69.92, 50.05 52.92 08/05/2023 08:24:42 69.95, 50.04 52.94 2.58 2
3 08/05/2023 09:15:25 -69.78,-142.42 127.23 08/05/2023 09:14:13 -69.77,-142.57 127.22 5.74 72
4 08/07/2023 23:50:51 -69.99, -1.58 126.29 08/07/2023 23:51:46 -70.00, -1.66 126.29 2.95 55
5 08/08/2023 00:41:35 69.88, 165.89 53.61 08/08/2023 00:41:13 69.90, 165.85 53.63 2.33 22
6 08/08/2023 01:32:03 -69.05, -25.59 127.26 08/08/2023 01:30:55 -69.12, -27.56 127.10 78.66 68
7 08/10/2023 16:07:42 -69.96, 114.25 125.56 08/10/2023 16:08:16 -69.98, 114.20 125.54 3.06 34
8 08/10/2023 16:58:26 69.85, -78.28 54.34 08/10/2023 16:57:43 69.87, -78.30 54.37 2.69 43
9 08/13/2023 07:34:00 70.50, 61.87 55.81 08/13/2023 07:35:10 70.36, 63.01 55.61 45.00 70
10 08/13/2023 08:24:33 -69.93,-129.93 124.79 08/13/2023 08:24:46 -69.93,-129.99 124.80 2.53 13
11 08/13/2023 09:15:17 69.83, 37.54 55.11 08/13/2023 09:14:13 69.82, 37.51 55.11 1.64 64
12 08/15/2023 23:50:41 70.01, 178.42 56.11 08/15/2023 23:51:44 70.00, 178.38 56.09 1.83 63
13 08/16/2023 00:41:23 -69.92, -14.12 123.98 08/16/2023 00:41:14 -69.90, -14.14 124.00 2.00 9
14 08/16/2023 01:31:58 69.33, 154.04 55.42 08/16/2023 01:30:48 69.40, 152.83 55.54 48.05 70

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/4/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230804.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/04/2023 in txt file.

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