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: 7/30/2023
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, 178.37 51.62 07/30/2023 23:51:40 69.99, 178.34 51.61 1.42 38
2 07/31/2023 00:41:44 -69.91, -14.17 128.47 07/31/2023 00:41:09 -69.93, -14.11 128.45 3.21 35
3 08/02/2023 15:17:25 -70.89, 125.44 126.78 08/02/2023 15:18:32 -70.76, 127.70 127.01 83.92 67
4 08/02/2023 16:07:54 69.99, -65.84 52.29 08/02/2023 16:08:11 70.01, -65.76 52.29 3.27 17
5 08/02/2023 16:58:35 -69.85, 101.70 127.86 08/02/2023 16:57:42 -69.84, 101.64 127.87 2.72 53
6 08/05/2023 07:34:03 -70.15,-117.60 126.86 08/05/2023 07:35:15 -70.09,-117.40 126.93 9.73 72
7 08/05/2023 08:24:45 69.94, 50.03 52.93 08/05/2023 08:24:43 69.94, 50.02 52.93 0.09 2
8 08/05/2023 09:15:26 -69.79,-142.43 127.22 08/05/2023 09:14:13 -69.83,-142.50 127.17 4.87 73
9 08/07/2023 23:50:51 -69.99, -1.59 126.29 08/07/2023 23:51:46 -70.01, -1.65 126.28 2.69 55
10 08/08/2023 00:41:35 69.89, 165.88 53.62 08/08/2023 00:41:13 69.90, 165.85 53.63 1.53 22
11 08/08/2023 01:32:03 -69.05, -25.60 127.26 08/08/2023 01:30:55 -69.13, -27.55 127.09 78.18 68
12 08/10/2023 16:07:43 -70.00, 114.18 125.51 08/10/2023 16:08:16 -70.00, 114.23 125.52 1.84 33
13 08/10/2023 16:58:26 69.85, -78.28 54.34 08/10/2023 16:57:44 69.84, -78.36 54.34 3.26 42

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/30/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230730.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 07/30/2023 in txt file.

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