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: 7/2/2023
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 07/04/2023 07:34:29 -70.02,-117.49 132.89 07/04/2023 07:35:02 -70.01,-117.52 132.90 1.51 33
2 07/04/2023 08:25:13 69.91, 49.99 47.00 07/04/2023 08:24:29 69.91, 49.98 47.01 0.79 44
3 07/06/2023 23:00:48 70.51,-169.79 47.89 07/06/2023 23:01:58 70.40,-168.72 47.73 41.35 70
4 07/06/2023 23:51:22 -69.99, -1.66 132.66 07/06/2023 23:51:34 -69.96, -1.72 132.69 3.34 12
5 07/07/2023 00:42:06 69.88, 165.81 47.23 07/07/2023 00:41:01 69.86, 165.78 47.22 2.56 65
6 07/09/2023 15:17:33 70.06, -53.32 47.72 07/09/2023 15:18:35 70.05, -53.35 47.70 1.40 62
7 07/09/2023 16:08:15 -69.96, 114.15 132.38 07/09/2023 16:08:05 -69.95, 114.14 132.40 1.59 10
8 07/09/2023 16:58:50 69.38, -77.69 47.02 07/09/2023 16:57:40 69.40, -78.97 47.09 50.18 70
9 07/12/2023 07:34:25 70.04, 62.48 48.06 07/12/2023 07:35:05 70.01, 62.48 48.02 3.39 40
10 07/12/2023 08:25:07 -69.94,-130.04 132.05 07/12/2023 08:24:35 -69.91,-130.03 132.08 3.30 32
11 07/14/2023 23:00:49 -70.91, 9.56 130.64 07/14/2023 23:01:56 -70.78, 11.84 130.87 84.48 67
12 07/14/2023 23:51:17 69.98, 178.35 48.38 07/14/2023 23:51:35 70.01, 178.36 48.41 3.42 18
13 07/15/2023 00:41:59 -69.87, -14.17 131.73 07/15/2023 00:41:06 -69.85, -14.23 131.74 3.11 53

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/2/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230702.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 07/02/2023 in txt file.

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