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: 4/22/2023
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 04/23/2023 22:24:48 70.17,-159.92 57.42 04/23/2023 22:25:15 70.16,-159.91 57.40 1.68 27
2 04/23/2023 23:15:29 -70.03, 7.61 122.74 04/23/2023 23:14:45 -70.04, 7.56 122.73 2.43 44
3 04/26/2023 13:51:02 -70.43, 148.14 123.19 04/26/2023 13:52:13 -70.34, 148.59 123.29 19.33 71
4 04/26/2023 14:41:42 70.10, -44.04 56.47 04/26/2023 14:41:42 70.13, -44.07 56.49 3.17 0
5 04/26/2023 15:32:24 -70.01, 123.41 123.64 04/26/2023 15:31:12 -70.02, 123.40 123.63 0.63 72
6 04/29/2023 06:07:54 -70.21, -95.74 124.26 04/29/2023 06:08:42 -70.23, -95.69 124.25 2.96 48
7 04/29/2023 06:58:38 70.10, 71.74 55.61 04/29/2023 06:58:10 70.07, 71.72 55.58 3.20 28
8 05/01/2023 21:34:21 70.99,-148.55 55.74 05/01/2023 21:35:28 70.91,-146.44 55.61 77.15 67
9 05/01/2023 22:24:49 -70.16, 20.11 125.14 05/01/2023 22:25:10 -70.14, 20.06 125.16 2.77 21
10 05/01/2023 23:15:33 70.05,-172.41 54.74 05/01/2023 23:14:37 70.03,-172.45 54.73 2.49 56
11 05/04/2023 13:51:02 70.21, -31.51 54.14 05/04/2023 13:52:06 70.23, -31.55 54.15 2.71 64
12 05/04/2023 14:41:44 -70.12, 135.95 125.97 05/04/2023 14:41:36 -70.13, 135.93 125.96 1.35 8
13 05/04/2023 15:32:20 69.58, -55.94 53.47 05/04/2023 15:31:10 69.63, -57.12 53.54 46.08 70

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/22/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230423.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/22/2023 in txt file.

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