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: 7/9/2023
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 07/09/2023 05:08:39 70.32, 98.53 47.95 07/09/2023 05:07:28 70.36, 97.65 48.04 33.13 71
2 07/11/2023 16:21:12 70.81, -70.36 48.78 07/11/2023 16:21:52 70.82, -70.34 48.78 0.99 40
3 07/11/2023 17:11:53 -70.71, 97.12 131.32 07/11/2023 17:11:17 -70.71, 97.15 131.32 1.28 36
4 07/14/2023 04:24:29 -71.36, -72.07 130.28 07/14/2023 04:25:39 -71.25, -70.68 130.46 51.16 70
5 07/14/2023 05:15:04 70.79, 96.20 49.12 07/14/2023 05:15:08 70.77, 96.25 49.10 2.80 4
6 07/14/2023 06:05:45 -70.64, -96.23 131.04 07/14/2023 06:04:34 -70.66, -96.26 131.00 3.31 71
7 07/16/2023 17:18:12 -70.82, 95.36 130.45 07/16/2023 17:19:03 -70.80, 95.29 130.48 3.33 51
8 07/16/2023 18:08:56 70.72, -97.17 49.45 07/16/2023 18:08:25 70.70, -97.20 49.44 2.60 31
9 07/19/2023 05:21:35 71.54, 93.33 50.76 07/19/2023 05:22:43 71.42, 95.26 50.54 69.44 68
10 07/19/2023 06:12:05 -70.81, -98.09 130.02 07/19/2023 06:12:18 -70.82, -98.02 130.02 2.97 13
11 07/19/2023 07:02:48 70.66, 69.46 49.83 07/19/2023 07:01:41 70.67, 69.41 49.85 1.72 67
12 07/21/2023 18:15:15 70.86, -98.97 50.51 07/21/2023 18:16:08 70.87, -98.94 50.50 1.55 53
13 07/21/2023 19:05:57 -70.75, 68.52 129.60 07/21/2023 19:05:34 -70.76, 68.55 129.59 1.51 23

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/9/2023
SNOs_Map_NOAA-21_TERRA_20230709.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/09/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA