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: 4/7/2023
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 04/07/2023 07:35:03 70.07, 62.44 63.26 04/07/2023 07:35:25 70.07, 62.47 63.25 0.98 22
2 04/07/2023 08:25:44 -69.94,-130.03 116.90 04/07/2023 08:24:55 -69.95,-130.06 116.88 2.32 49
3 04/09/2023 23:01:13 -70.35, 10.49 117.45 04/09/2023 23:02:24 -70.26, 10.97 117.56 20.59 71
4 04/09/2023 23:51:53 70.03, 178.30 62.20 04/09/2023 23:51:53 70.04, 178.31 62.22 2.00 0
5 04/10/2023 00:42:35 -69.94, -14.25 117.90 04/10/2023 00:41:23 -69.93, -14.21 117.91 1.71 72
6 04/12/2023 15:17:59 -70.10, 126.66 118.70 04/12/2023 15:18:54 -70.09, 126.62 118.71 2.04 55
7 04/12/2023 16:08:43 69.99, -65.86 61.18 04/12/2023 16:08:21 69.98, -65.89 61.17 1.40 22
8 04/12/2023 16:59:11 -69.16, 102.66 119.70 04/12/2023 16:58:03 -69.21, 100.70 119.59 77.85 68
9 04/15/2023 07:34:48 -70.07,-117.51 119.70 04/15/2023 07:35:20 -70.06,-117.55 119.72 2.37 32
10 04/15/2023 08:25:32 69.96, 49.96 60.18 04/15/2023 08:24:47 69.94, 49.94 60.16 2.43 45
11 04/17/2023 23:01:02 70.46,-169.65 59.77 04/17/2023 23:02:12 70.37,-168.85 59.64 31.75 70
12 04/17/2023 23:51:38 -70.05, -1.69 120.67 04/17/2023 23:51:46 -70.04, -1.68 120.69 1.44 8
13 04/18/2023 00:42:22 69.95, 165.77 59.21 04/18/2023 00:41:13 69.92, 165.80 59.19 2.75 69
14 04/20/2023 15:17:45 70.09, -53.28 58.45 04/20/2023 15:18:42 70.09, -53.35 58.45 2.72 57
15 04/20/2023 16:08:27 -69.99, 114.18 121.67 04/20/2023 16:08:12 -69.99, 114.14 121.67 1.89 15
16 04/20/2023 16:58:58 69.20, -77.35 57.51 04/20/2023 16:57:50 69.26, -79.20 57.62 73.33 68

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/7/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230407.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/07/2023 in txt file.

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