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: 1/15/2024
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 01/17/2024 15:17:58 70.74, -54.58 91.55 01/17/2024 15:19:05 70.68, -52.48 91.40 77.57 67
2 01/17/2024 16:08:26 -69.93, 114.02 89.32 01/17/2024 16:08:47 -69.91, 114.04 89.35 2.09 21
3 01/17/2024 16:59:10 69.80, -78.48 90.55 01/17/2024 16:58:14 69.80, -78.46 90.55 0.71 56
4 01/20/2024 07:34:37 70.00, 62.37 90.23 01/20/2024 07:35:45 70.00, 62.42 90.22 1.89 68
5 01/20/2024 08:25:18 -69.87,-130.11 89.93 01/20/2024 08:25:15 -69.89,-130.10 89.90 2.94 3
6 01/20/2024 09:15:58 69.53, 37.69 89.72 01/20/2024 09:14:46 69.56, 37.09 89.78 23.54 72
7 01/22/2024 23:51:29 69.96, 178.22 89.60 01/22/2024 23:52:13 69.94, 178.22 89.57 2.04 44
8 01/23/2024 00:42:10 -69.82, -14.26 90.56 01/23/2024 00:41:43 -69.83, -14.29 90.55 1.90 27
9 01/25/2024 15:17:53 -70.89, 125.23 90.05 01/25/2024 15:18:59 -70.77, 127.68 90.27 90.46 66
10 01/25/2024 16:08:21 69.93, -65.95 88.94 01/25/2024 16:08:39 69.95, -65.88 88.94 3.12 18
11 01/25/2024 16:59:01 -69.79, 101.57 91.23 01/25/2024 16:58:09 -69.79, 101.53 91.23 1.95 52
12 01/28/2024 07:34:27 -69.98,-117.54 91.69 01/28/2024 07:35:38 -69.97,-117.60 91.71 2.67 71
13 01/28/2024 08:25:11 69.87, 49.93 88.19 01/28/2024 08:25:05 69.85, 49.88 88.17 2.83 6
14 01/28/2024 09:15:50 -69.62,-142.38 92.08 01/28/2024 09:14:37 -69.63,-142.78 92.04 15.60 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/15/2024
SNOs_Map_NOAA-21_LANDSAT-9_20240115.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/15/2024 in txt file.

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