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: 4/7/2023
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 70.16,-159.89 63.11 04/07/2023 22:25:21 70.15,-159.91 63.09 1.94 44
2 04/07/2023 23:15:19 -70.07, 7.57 117.00 04/07/2023 23:14:50 -70.09, 7.64 116.98 3.20 29
3 04/10/2023 13:51:03 -70.93, 147.33 117.08 04/10/2023 13:52:11 -70.82, 149.32 117.25 73.24 68
4 04/10/2023 14:41:34 70.14, -44.09 62.09 04/10/2023 14:41:49 70.11, -44.08 62.06 2.88 15
5 04/10/2023 15:32:15 -69.99, 123.46 118.09 04/10/2023 15:31:19 -70.00, 123.40 118.07 2.87 56
6 04/13/2023 06:07:45 -70.18, -95.69 118.85 04/13/2023 06:08:48 -70.21, -95.71 118.83 3.43 63
7 04/13/2023 06:58:29 70.07, 71.79 61.03 04/13/2023 06:58:15 70.10, 71.78 61.06 3.33 14
8 04/13/2023 07:49:03 -69.55,-120.12 119.53 04/13/2023 07:47:52 -69.60,-121.27 119.43 45.12 71
9 04/15/2023 22:24:42 -70.17, 20.10 119.83 04/15/2023 22:25:15 -70.16, 20.12 119.84 0.90 33
10 04/15/2023 23:15:26 70.06,-172.43 60.05 04/15/2023 23:14:42 70.05,-172.40 60.05 1.72 44
11 04/18/2023 13:50:59 70.38, -31.78 59.46 04/18/2023 13:52:10 70.30, -31.43 59.37 15.37 71
12 04/18/2023 14:41:38 -70.11, 135.95 120.83 04/18/2023 14:41:41 -70.14, 135.97 120.81 3.15 3
13 04/18/2023 15:32:21 69.96, -56.50 59.00 04/18/2023 15:31:09 69.97, -56.62 59.02 4.83 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/7/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230407.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/07/2023 in txt file.

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