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: 7/15/2023
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 07/16/2023 17:18:13 -70.86, 95.30 130.41 07/16/2023 17:19:02 -70.86, 95.38 130.42 2.86 49
2 07/16/2023 18:08:56 70.70, -97.13 49.43 07/16/2023 18:08:25 70.71, -97.18 49.45 2.10 31
3 07/19/2023 05:21:35 71.52, 93.38 50.73 07/19/2023 05:22:43 71.42, 95.27 50.54 67.70 68
4 07/19/2023 06:12:05 -70.79, -98.06 130.04 07/19/2023 06:12:19 -70.77, -98.11 130.07 3.32 14
5 07/19/2023 07:02:49 70.69, 69.41 49.86 07/19/2023 07:01:41 70.67, 69.42 49.85 2.13 68
6 07/21/2023 18:15:16 70.89, -99.01 50.53 07/21/2023 18:16:08 70.87, -98.94 50.50 3.34 52
7 07/21/2023 19:05:57 -70.73, 68.56 129.63 07/21/2023 19:05:34 -70.75, 68.54 129.60 2.51 23
8 07/24/2023 06:18:40 -71.81,-101.41 127.97 07/24/2023 06:19:46 -71.68, -98.65 128.24 97.33 66
9 07/24/2023 07:09:07 70.83, 67.60 50.99 07/24/2023 07:09:22 70.83, 67.67 50.98 2.45 15
10 07/24/2023 07:59:49 -70.73,-124.91 129.12 07/24/2023 07:58:48 -70.71,-124.86 129.13 2.65 61
11 07/26/2023 19:12:15 -70.88, 66.74 128.42 07/26/2023 19:13:15 -70.86, 66.71 128.46 2.97 60
12 07/26/2023 20:02:59 70.79,-125.80 51.49 07/26/2023 20:02:37 70.76,-125.76 51.47 3.02 22

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/15/2023
SNOs_Map_NOAA-21_TERRA_20230715.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/15/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA