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: 5/29/2023
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 05/30/2023 15:17:46 -70.12, 126.60 131.74 05/30/2023 15:18:30 -70.10, 126.59 131.77 2.61 44
2 05/30/2023 16:08:30 69.99, -65.91 48.13 05/30/2023 16:07:57 70.00, -65.91 48.13 0.23 33
3 06/02/2023 06:44:10 70.82, 73.94 48.62 06/02/2023 06:45:18 70.74, 75.77 48.49 67.54 68
4 06/02/2023 07:34:40 -70.10,-117.61 132.13 06/02/2023 07:34:58 -70.08,-117.57 132.16 2.82 18
5 06/02/2023 08:25:24 69.98, 49.89 47.74 06/02/2023 08:24:25 69.97, 49.93 47.74 1.79 59
6 06/04/2023 23:00:52 70.12,-169.19 47.57 06/04/2023 23:01:57 70.15,-169.23 47.59 3.19 65
7 06/04/2023 23:51:34 -70.03, -1.74 132.53 06/04/2023 23:51:27 -70.04, -1.75 132.52 0.78 7
8 06/05/2023 00:42:11 69.54, 166.30 46.97 06/05/2023 00:41:00 69.60, 165.29 47.05 39.56 71
9 06/07/2023 15:17:47 70.12, -53.41 47.29 06/07/2023 15:18:25 70.14, -53.36 47.31 3.04 38
10 06/07/2023 16:08:29 -70.02, 114.04 132.81 06/07/2023 16:07:55 -70.03, 114.12 132.80 3.08 34
11 06/10/2023 06:44:09 -70.80,-106.05 132.22 06/10/2023 06:45:18 -70.66,-104.37 132.42 63.65 69
12 06/10/2023 07:34:41 70.06, 62.43 47.01 06/10/2023 07:34:54 70.05, 62.39 47.00 1.99 13
13 06/10/2023 08:25:23 -69.97,-130.10 133.10 06/10/2023 08:24:24 -69.95,-130.12 133.11 2.09 59

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/29/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230530.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/29/2023 in txt file.

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