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: 7/29/2023
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 07/30/2023 23:51:02 70.00, 178.38 51.62 07/30/2023 23:51:40 70.00, 178.35 51.61 0.90 38
2 07/31/2023 00:41:44 -69.90, -14.17 128.47 07/31/2023 00:41:10 -69.88, -14.18 128.49 2.74 34
3 08/02/2023 15:17:25 -70.88, 125.45 126.79 08/02/2023 15:18:32 -70.77, 127.72 127.00 83.87 67
4 08/02/2023 16:07:54 69.99, -65.83 52.28 08/02/2023 16:08:12 69.96, -65.82 52.25 2.97 18
5 08/02/2023 16:58:35 -69.84, 101.71 127.87 08/02/2023 16:57:42 -69.85, 101.65 127.85 2.38 53
6 08/05/2023 07:34:03 -70.14,-117.59 126.87 08/05/2023 07:35:15 -70.11,-117.37 126.92 8.73 72
7 08/05/2023 08:24:45 69.93, 50.04 52.92 08/05/2023 08:24:43 69.96, 50.05 52.95 2.80 2
8 08/05/2023 09:15:26 -69.83,-142.50 127.17 08/05/2023 09:14:12 -69.85,-142.47 127.15 1.74 74
9 08/07/2023 23:50:52 -70.04, -1.65 126.24 08/07/2023 23:51:46 -70.03, -1.61 126.26 1.60 54
10 08/08/2023 00:41:36 69.93, 165.81 53.66 08/08/2023 00:41:13 69.93, 165.89 53.66 2.95 23
11 08/08/2023 01:32:04 -69.09, -25.66 127.21 08/08/2023 01:30:56 -69.10, -27.59 127.11 76.73 68
12 08/10/2023 16:07:43 -69.99, 114.20 125.52 08/10/2023 16:08:17 -69.98, 114.20 125.54 0.65 34
13 08/10/2023 16:58:27 69.89, -78.34 54.38 08/10/2023 16:57:44 69.87, -78.31 54.37 2.23 43

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/29/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230729.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 07/29/2023 in txt file.

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