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: 7/16/2023
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 17:18:12 -70.83, 95.35 130.44 07/16/2023 17:19:02 -70.84, 95.34 130.44 1.03 50
2 07/16/2023 18:08:56 70.72, -97.17 49.46 07/16/2023 18:08:24 70.75, -97.13 49.48 3.06 32
3 07/19/2023 05:21:35 71.54, 93.34 50.76 07/19/2023 05:22:43 71.41, 95.24 50.53 68.73 68
4 07/19/2023 06:12:05 -70.81, -98.10 130.02 07/19/2023 06:12:18 -70.80, -98.05 130.04 2.17 13
5 07/19/2023 07:02:48 70.66, 69.46 49.83 07/19/2023 07:01:41 70.66, 69.39 49.84 2.59 67
6 07/21/2023 18:15:15 70.85, -98.95 50.50 07/21/2023 18:16:08 70.86, -98.96 50.49 0.54 53
7 07/21/2023 19:05:57 -70.75, 68.53 129.61 07/21/2023 19:05:34 -70.74, 68.52 129.61 1.11 23
8 07/24/2023 07:09:07 70.80, 67.66 50.95 07/24/2023 07:09:23 70.83, 67.66 50.98 3.26 16
9 07/24/2023 07:59:49 -70.69,-124.85 129.16 07/24/2023 07:58:49 -70.71,-124.86 129.13 1.92 60
10 07/26/2023 19:12:16 -70.89, 66.72 128.41 07/26/2023 19:13:16 -70.86, 66.72 128.45 3.39 60
11 07/26/2023 20:02:59 70.75,-125.73 51.45 07/26/2023 20:02:38 70.77,-125.75 51.48 2.87 21
12 07/26/2023 20:53:25 -69.80, 43.06 129.55 07/26/2023 20:52:19 -69.83, 40.55 129.39 96.52 66
13 07/29/2023 08:06:08 -70.85,-126.68 127.88 07/29/2023 08:06:30 -70.84,-126.65 127.89 1.46 22
14 07/29/2023 08:56:51 70.70, 40.87 51.98 07/29/2023 08:55:53 70.70, 40.80 51.99 2.81 58

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/16/2023
SNOs_Map_NOAA-21_TERRA_20230716.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/16/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA