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: 1/21/2023
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 01/22/2023 14:28:26 70.83, -41.83 90.53 01/22/2023 14:29:34 70.76, -39.95 90.38 68.88 68
2 01/22/2023 15:18:56 -70.11, 126.63 90.25 01/22/2023 15:19:14 -70.10, 126.70 90.27 3.03 18
3 01/22/2023 16:09:40 69.99, -65.88 89.63 01/22/2023 16:08:41 69.99, -65.80 89.63 3.01 59
4 01/25/2023 06:45:06 70.12, 75.06 89.15 01/25/2023 06:46:09 70.15, 75.05 89.17 3.53 63
5 01/25/2023 07:35:48 -70.03,-117.48 90.96 01/25/2023 07:35:39 -70.04,-117.47 90.95 1.04 9
6 01/25/2023 08:26:24 69.49, 50.62 88.48 01/25/2023 08:25:13 69.54, 49.48 88.58 44.60 71
7 01/27/2023 23:01:58 70.11,-169.15 88.47 01/27/2023 23:02:32 70.11,-169.11 88.46 1.78 34
8 01/27/2023 23:52:39 -69.97, -1.62 91.69 01/27/2023 23:52:02 -70.00, -1.63 91.66 3.14 37
9 01/30/2023 14:28:13 -70.54, 138.64 91.78 01/30/2023 14:29:24 -70.41, 139.58 91.97 37.94 71
10 01/30/2023 15:18:50 70.07, -53.31 87.71 01/30/2023 15:18:55 70.07, -53.26 87.71 2.05 5
11 01/30/2023 16:09:32 -69.97, 114.15 92.41 01/30/2023 16:08:25 -69.96, 114.22 92.41 2.83 67
12 02/02/2023 06:44:58 -70.13,-104.95 92.96 02/02/2023 06:45:51 -70.11,-104.94 93.00 2.57 53
13 02/02/2023 07:35:41 69.98, 62.60 86.86 02/02/2023 07:35:18 69.99, 62.54 86.88 2.93 23

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/21/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230121.jpg

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

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