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: 8/8/2023
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 08/10/2023 16:07:42 -69.99, 114.21 125.53 08/10/2023 16:08:15 -70.00, 114.23 125.52 1.81 33
2 08/10/2023 16:58:26 69.87, -78.31 54.37 08/10/2023 16:57:43 69.85, -78.34 54.35 2.90 43
3 08/13/2023 07:33:59 70.47, 61.92 55.77 08/13/2023 07:35:09 70.40, 63.05 55.64 43.02 70
4 08/13/2023 08:24:33 -69.96,-129.97 124.76 08/13/2023 08:24:45 -69.95,-129.95 124.77 1.20 12
5 08/13/2023 09:15:17 69.85, 37.51 55.14 08/13/2023 09:14:12 69.85, 37.55 55.14 1.65 65
6 08/15/2023 23:50:42 70.04, 178.38 56.14 08/15/2023 23:51:44 70.04, 178.42 56.12 1.56 62
7 08/16/2023 00:41:24 -69.95, -14.16 123.95 08/16/2023 00:41:14 -69.93, -14.10 123.97 3.14 10
8 08/16/2023 01:31:59 69.36, 154.00 55.45 08/16/2023 01:30:48 69.43, 152.87 55.57 45.21 71
9 08/18/2023 16:07:32 69.98, -65.75 56.93 08/18/2023 16:08:13 69.98, -65.77 56.92 0.92 41
10 08/18/2023 16:58:14 -69.89, 101.71 123.16 08/18/2023 16:57:43 -69.87, 101.71 123.18 1.83 31
11 08/21/2023 07:33:53 -70.88,-118.69 121.27 08/21/2023 07:35:00 -70.77,-116.37 121.47 85.88 67
12 08/21/2023 08:24:21 69.94, 50.10 57.75 08/21/2023 08:24:40 69.95, 50.07 57.76 1.58 19
13 08/21/2023 09:15:03 -69.84,-142.43 122.34 08/21/2023 09:14:10 -69.84,-142.44 122.33 0.28 53

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/8/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230809.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/08/2023 in txt file.

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