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: 2/9/2023
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 02/10/2023 07:35:34 -70.10,-117.57 95.46 02/10/2023 07:36:00 -70.10,-117.51 95.47 2.16 26
2 02/10/2023 08:26:18 69.98, 49.91 84.41 02/10/2023 08:25:27 70.00, 49.99 84.43 3.43 51
3 02/12/2023 23:01:46 70.29,-169.41 83.88 02/12/2023 23:02:58 70.22,-169.09 83.78 14.17 72
4 02/12/2023 23:52:25 -70.04, -1.71 96.40 02/12/2023 23:52:29 -70.05, -1.70 96.40 0.89 4
5 02/13/2023 00:43:09 69.93, 165.77 83.47 02/13/2023 00:41:56 69.95, 165.80 83.50 2.04 73
6 02/15/2023 15:18:34 70.09, -53.33 82.76 02/15/2023 15:19:27 70.12, -53.35 82.78 3.09 53
7 02/15/2023 16:09:16 -70.00, 114.13 97.35 02/15/2023 16:08:57 -70.01, 114.13 97.34 0.86 19
8 02/15/2023 16:59:45 69.09, -77.25 81.69 02/15/2023 16:58:38 69.13, -79.42 81.82 86.15 67
9 02/18/2023 07:35:24 70.07, 62.49 81.80 02/18/2023 07:35:53 70.09, 62.49 81.81 1.80 29
10 02/18/2023 08:26:06 -69.98,-130.05 98.31 02/18/2023 08:25:23 -69.98,-130.03 98.31 1.10 43
11 02/20/2023 23:01:37 -70.48, 10.32 98.71 02/20/2023 23:02:48 -70.40, 11.19 98.84 33.71 71
12 02/20/2023 23:52:15 70.07, 178.28 80.84 02/20/2023 23:52:19 70.07, 178.35 80.84 2.83 4
13 02/21/2023 00:42:56 -69.92, -14.18 99.33 02/21/2023 00:41:50 -69.91, -14.24 99.33 2.65 66

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/9/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230209.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/09/2023 in txt file.

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