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: 4/9/2023
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 04/09/2023 23:01:13 -70.33, 10.52 117.47 04/09/2023 23:02:24 -70.28, 11.00 117.55 18.76 71
2 04/09/2023 23:51:53 70.00, 178.33 62.18 04/09/2023 23:51:54 70.01, 178.27 62.19 2.79 1
3 04/10/2023 00:42:35 -69.92, -14.22 117.92 04/10/2023 00:41:24 -69.89, -14.26 117.94 3.18 71
4 04/12/2023 15:17:59 -70.13, 126.61 118.67 04/12/2023 15:18:53 -70.11, 126.65 118.69 2.25 54
5 04/12/2023 16:08:43 70.02, -65.90 61.21 04/12/2023 16:08:20 70.01, -65.85 61.20 2.08 23
6 04/12/2023 16:59:10 -69.14, 102.69 119.72 04/12/2023 16:58:02 -69.24, 100.73 119.56 78.32 68
7 04/15/2023 07:34:49 -70.10,-117.55 119.67 04/15/2023 07:35:20 -70.09,-117.51 119.69 2.41 31
8 04/15/2023 08:25:33 69.99, 49.92 60.21 04/15/2023 08:24:47 69.98, 49.98 60.20 2.73 46
9 04/17/2023 23:01:02 70.44,-169.61 59.74 04/17/2023 23:02:13 70.35,-168.87 59.63 28.97 71
10 04/17/2023 23:51:38 -70.03, -1.66 120.70 04/17/2023 23:51:47 -70.03, -1.71 120.70 1.94 9
11 04/18/2023 00:42:22 69.92, 165.81 59.18 04/18/2023 00:41:14 69.91, 165.78 59.18 1.42 68
12 04/20/2023 15:17:46 70.11, -53.31 58.47 04/20/2023 15:18:43 70.10, -53.35 58.45 2.22 57
13 04/20/2023 16:08:28 -70.02, 114.15 121.64 04/20/2023 16:08:13 -69.99, 114.13 121.67 3.25 15
14 04/20/2023 16:58:59 69.22, -77.39 57.53 04/20/2023 16:57:51 69.27, -79.20 57.63 71.88 68
15 04/23/2023 07:34:34 70.06, 62.55 57.51 04/23/2023 07:35:07 70.08, 62.52 57.53 2.56 33
16 04/23/2023 08:25:16 -69.96,-129.99 122.60 04/23/2023 08:24:37 -69.98,-130.00 122.59 1.29 39

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/9/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230410.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/09/2023 in txt file.

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