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: 4/5/2023
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 04/07/2023 22:24:37 70.19,-159.94 63.15 04/07/2023 22:25:20 70.17,-159.87 63.12 3.33 43
2 04/07/2023 23:15:18 -70.04, 7.61 117.03 04/07/2023 23:14:50 -70.06, 7.60 117.01 1.78 28
3 04/10/2023 13:51:02 -70.91, 147.37 117.10 04/10/2023 13:52:10 -70.84, 149.36 117.22 72.65 68
4 04/10/2023 14:41:33 70.12, -44.05 62.06 04/10/2023 14:41:48 70.14, -44.04 62.08 2.35 15
5 04/10/2023 15:32:15 -70.02, 123.42 118.06 04/10/2023 15:31:18 -70.03, 123.43 118.04 1.23 57
6 04/13/2023 06:07:46 -70.21, -95.74 118.82 04/13/2023 06:08:49 -70.18, -95.75 118.86 3.45 63
7 04/13/2023 06:58:29 70.05, 71.82 61.01 04/13/2023 06:58:16 70.07, 71.74 61.03 3.60 13
8 04/13/2023 07:49:03 -69.53,-120.09 119.55 04/13/2023 07:47:53 -69.58,-121.31 119.46 47.80 70
9 04/15/2023 22:24:42 -70.15, 20.13 119.85 04/15/2023 22:25:16 -70.13, 20.07 119.87 2.86 34
10 04/15/2023 23:15:26 70.04,-172.40 60.04 04/15/2023 23:14:43 70.02,-172.45 60.01 3.31 43
11 04/18/2023 13:50:58 70.36, -31.75 59.44 04/18/2023 13:52:09 70.32, -31.41 59.38 13.77 71
12 04/18/2023 14:41:37 -70.10, 135.97 120.85 04/18/2023 14:41:41 -70.10, 135.92 120.84 2.20 4
13 04/18/2023 15:32:21 69.99, -56.56 59.04 04/18/2023 15:31:08 69.99, -56.60 59.04 1.76 73

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/5/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230406.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/05/2023 in txt file.

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