Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/30/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 05/01/2023 21:34:20 70.95,-148.49 55.70 05/01/2023 21:35:28 70.83,-146.55 55.53 71.95 68
2 05/01/2023 22:24:49 -70.19, 20.07 125.11 05/01/2023 22:25:08 -70.17, 20.10 125.13 2.47 19
3 05/01/2023 23:15:33 70.06,-172.44 54.76 05/01/2023 23:14:35 70.06,-172.40 54.76 1.40 58
4 05/04/2023 13:51:02 70.23, -31.54 54.15 05/04/2023 13:52:05 70.21, -31.59 54.13 3.03 63
5 05/04/2023 14:41:44 -70.14, 135.92 125.95 05/04/2023 14:41:34 -70.15, 135.96 125.95 1.76 10
6 05/04/2023 15:32:19 69.54, -55.88 53.43 05/04/2023 15:31:09 69.60, -57.16 53.52 49.84 70
7 05/07/2023 06:07:57 70.19, 84.30 53.35 05/07/2023 06:08:30 70.21, 84.31 53.37 2.51 33
8 05/07/2023 06:58:39 -70.10,-108.25 126.75 05/07/2023 06:58:00 -70.10,-108.22 126.75 0.99 39
9 05/09/2023 21:34:13 -70.58, 32.14 126.96 05/09/2023 21:35:24 -70.46, 32.92 127.10 32.00 71
10 05/09/2023 22:24:51 70.15,-159.88 52.59 05/09/2023 22:24:55 70.13,-159.91 52.57 2.91 4
11 05/09/2023 23:15:33 -70.06, 7.58 127.51 05/09/2023 23:14:24 -70.08, 7.64 127.50 2.77 69
12 05/12/2023 13:51:02 -70.24, 148.46 128.00 05/12/2023 13:51:52 -70.25, 148.51 128.00 2.26 50
13 05/12/2023 14:41:46 70.13, -44.06 51.88 05/12/2023 14:41:19 70.14, -44.01 51.89 2.08 27

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/30/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230430.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/30/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9