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: 4/1/2023
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 04/01/2023 23:01:22 70.11,-169.18 65.35 04/01/2023 23:02:28 70.11,-169.22 65.34 1.78 66
2 04/01/2023 23:52:04 -70.03, -1.73 114.76 04/01/2023 23:51:58 -70.00, -1.75 114.78 3.25 6
3 04/02/2023 00:42:41 69.54, 166.30 64.73 04/02/2023 00:41:30 69.62, 165.37 64.84 37.15 71
4 04/04/2023 15:18:13 70.10, -53.37 64.30 04/04/2023 15:18:57 70.10, -53.36 64.30 0.47 44
5 04/04/2023 16:08:55 -70.01, 114.08 115.80 04/04/2023 16:08:27 -69.99, 114.11 115.82 2.62 28
6 04/07/2023 07:35:03 70.05, 62.49 63.23 04/07/2023 07:35:26 70.05, 62.44 63.23 2.03 23
7 04/07/2023 08:25:44 -69.96,-130.06 116.88 04/07/2023 08:24:55 -69.94,-130.08 116.89 2.17 49
8 04/09/2023 23:01:12 -70.32, 10.54 117.48 04/09/2023 23:02:23 -70.28, 11.01 117.54 18.32 71
9 04/09/2023 23:51:52 70.01, 178.33 62.19 04/09/2023 23:51:53 70.00, 178.26 62.18 2.89 1
10 04/10/2023 00:42:34 -69.91, -14.21 117.93 04/10/2023 00:41:23 -69.90, -14.26 117.94 2.64 71
11 04/12/2023 15:17:58 -70.09, 126.69 118.71 04/12/2023 15:18:53 -70.09, 126.61 118.72 2.76 55
12 04/12/2023 16:08:42 69.98, -65.85 61.17 04/12/2023 16:08:20 69.97, -65.90 61.16 2.50 22
13 04/12/2023 16:59:10 -69.15, 102.68 119.71 04/12/2023 16:58:02 -69.21, 100.70 119.59 78.84 68
14 04/15/2023 07:34:48 -70.07,-117.51 119.70 04/15/2023 07:35:19 -70.07,-117.52 119.71 0.78 31
15 04/15/2023 08:25:32 69.97, 49.95 60.19 04/15/2023 08:24:46 69.95, 49.96 60.17 2.38 46

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/1/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230402.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/01/2023 in txt file.

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