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 -71.39, -72.14 130.24 07/14/2023 04:25:39 -71.26, -70.66 130.45 54.68 69
2 07/14/2023 05:15:04 70.77, 96.23 49.10 07/14/2023 05:15:08 70.79, 96.27 49.11 2.36 4
3 07/14/2023 06:05:46 -70.67, -96.30 131.00 07/14/2023 06:04:34 -70.68, -96.24 130.99 1.89 72
4 07/16/2023 17:18:13 -70.85, 95.31 130.42 07/16/2023 17:19:02 -70.87, 95.39 130.42 3.56 49
5 07/16/2023 18:08:56 70.70, -97.13 49.43 07/16/2023 18:08:25 70.72, -97.17 49.45 2.96 31
6 07/19/2023 05:21:35 71.51, 93.39 50.72 07/19/2023 05:22:43 71.44, 95.29 50.55 67.55 68
7 07/19/2023 06:12:05 -70.78, -98.05 130.05 07/19/2023 06:12:19 -70.78, -98.08 130.06 1.39 14
8 07/19/2023 07:02:49 70.68, 69.42 49.85 07/19/2023 07:01:41 70.68, 69.44 49.86 0.55 68
9 07/21/2023 18:15:16 70.87, -98.99 50.52 07/21/2023 18:16:08 70.89, -98.91 50.52 3.60 52
10 07/21/2023 19:05:58 -70.77, 68.50 129.59 07/21/2023 19:05:34 -70.78, 68.58 129.58 3.08 24
11 07/24/2023 07:09:07 70.81, 67.63 50.97 07/24/2023 07:09:23 70.81, 67.64 50.96 0.35 16
12 07/24/2023 07:59:49 -70.71,-124.87 129.14 07/24/2023 07:58:49 -70.70,-124.88 129.14 0.71 60

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/12/2023
SNOs_Map_NOAA-21_TERRA_20230713.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