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: 7/12/2023
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 07/14/2023 04:24:30 -71.37, -72.09 130.27 07/14/2023 04:25:40 -71.24, -70.70 130.48 51.73 70
2 07/14/2023 05:15:04 70.74, 96.27 49.07 07/14/2023 05:15:09 70.76, 96.23 49.09 2.39 5
3 07/14/2023 06:05:46 -70.65, -96.25 131.03 07/14/2023 06:04:35 -70.65, -96.28 131.01 1.19 71
4 07/16/2023 17:18:12 -70.82, 95.36 130.45 07/16/2023 17:19:02 -70.85, 95.35 130.44 2.36 50
5 07/16/2023 18:08:56 70.72, -97.17 49.45 07/16/2023 18:08:24 70.75, -97.13 49.48 3.20 32
6 07/19/2023 05:21:35 71.53, 93.35 50.75 07/19/2023 05:22:43 71.41, 95.25 50.53 68.63 68
7 07/19/2023 06:12:05 -70.81, -98.09 130.03 07/19/2023 06:12:18 -70.81, -98.04 130.03 2.06 13
8 07/19/2023 07:02:48 70.65, 69.47 49.82 07/19/2023 07:01:41 70.66, 69.40 49.84 2.55 67
9 07/21/2023 18:15:15 70.85, -98.95 50.49 07/21/2023 18:16:08 70.87, -98.94 50.50 2.56 53
10 07/21/2023 19:05:57 -70.74, 68.55 129.62 07/21/2023 19:05:34 -70.76, 68.54 129.60 2.08 23
11 07/24/2023 06:18:41 -71.81,-101.42 127.97 07/24/2023 06:19:47 -71.70, -98.62 128.21 98.35 66
12 07/24/2023 07:09:07 70.79, 67.68 50.94 07/24/2023 07:09:24 70.79, 67.61 50.94 2.54 17
13 07/24/2023 07:59:49 -70.68,-124.83 129.17 07/24/2023 07:58:50 -70.68,-124.91 129.15 2.85 59

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/12/2023
SNOs_Map_NOAA-21_TERRA_20230712.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/12/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA