Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/13/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 10/15/2023 10:25:31 -71.33,-162.40 100.26 10/15/2023 10:26:42 -71.29,-161.95 100.31 16.78 71
2 10/15/2023 11:16:12 71.07, 5.36 79.49 10/15/2023 11:16:06 71.07, 5.38 79.49 0.98 6
3 10/15/2023 12:06:48 -70.66, 173.35 100.92 10/15/2023 12:05:36 -70.74, 172.52 100.83 31.66 72
4 10/17/2023 23:19:20 -71.12, 4.49 99.54 10/17/2023 23:19:48 -71.12, 4.50 99.54 0.45 28
5 10/18/2023 00:10:04 71.02, 171.97 80.37 10/18/2023 00:09:10 71.01, 171.99 80.36 1.12 54
6 10/20/2023 11:22:29 71.18, 3.60 81.43 10/20/2023 11:23:24 71.18, 3.65 81.42 1.95 55
7 10/20/2023 12:13:11 -71.08, 171.08 98.66 10/20/2023 12:12:50 -71.07, 171.13 98.68 2.28 21
8 10/22/2023 23:25:47 -71.77, 1.77 97.08 10/22/2023 23:26:56 -71.68, 3.52 97.19 61.81 69
9 10/23/2023 00:16:20 71.11, 170.25 82.25 10/23/2023 00:16:26 71.13, 170.29 82.27 2.36 6
10 10/23/2023 01:07:02 -71.01, -22.26 97.84 10/23/2023 01:05:52 -71.02, -22.22 97.83 2.27 70
11 10/25/2023 12:19:27 -71.14, 169.42 96.85 10/25/2023 12:20:06 -71.16, 169.39 96.84 1.91 39
12 10/25/2023 13:10:11 71.05, -23.12 83.08 10/25/2023 13:09:28 71.03, -23.15 83.06 2.67 43

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 10/13/2023
SNOs_Map_NOAA-21_TERRA_20231013.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 10/13/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA