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: 4/24/2023
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 04/25/2023 23:51:23 70.08, 178.32 56.65 04/25/2023 23:51:46 70.08, 178.35 56.65 1.19 23
2 04/26/2023 00:42:04 -69.94, -14.16 123.51 04/26/2023 00:41:16 -69.97, -14.18 123.48 2.85 48
3 04/28/2023 15:17:32 -70.42, 126.27 123.85 04/28/2023 15:18:43 -70.33, 126.95 123.96 26.88 71
4 04/28/2023 16:08:11 70.04, -65.84 55.76 04/28/2023 16:08:13 70.06, -65.80 55.77 2.88 2
5 04/28/2023 16:58:53 -69.96, 101.61 124.35 04/28/2023 16:57:43 -69.95, 101.68 124.35 2.94 70
6 05/01/2023 07:34:14 -70.09,-117.43 125.01 05/01/2023 07:35:13 -70.12,-117.48 124.99 3.24 59
7 05/01/2023 08:24:58 69.99, 50.04 54.87 05/01/2023 08:24:40 70.01, 50.01 54.89 2.87 18
8 05/01/2023 09:15:28 -69.32,-141.66 125.83 05/01/2023 09:14:19 -69.35,-143.25 125.76 62.68 69
9 05/03/2023 23:51:00 -70.06, -1.58 125.84 05/03/2023 23:51:38 -70.08, -1.64 125.83 3.28 38
10 05/04/2023 00:41:44 69.96, 165.89 54.04 05/04/2023 00:41:05 69.97, 165.84 54.06 2.26 39
11 05/06/2023 15:17:16 70.73, -54.15 54.09 05/06/2023 15:18:25 70.61, -52.62 53.93 57.80 69
12 05/06/2023 16:07:47 -70.06, 114.23 126.62 05/06/2023 16:08:03 -70.06, 114.22 126.61 0.74 16
13 05/06/2023 16:58:31 69.95, -78.31 53.27 05/06/2023 16:57:30 69.95, -78.30 53.27 0.89 61

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/24/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230424.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/24/2023 in txt file.

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