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: 2/15/2023
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 02/17/2023 13:50:01 -70.59, 148.07 97.39 02/17/2023 13:51:12 -70.55, 148.44 97.46 14.29 71
2 02/17/2023 14:40:42 70.32, -44.20 82.31 02/17/2023 14:40:37 70.33, -44.22 82.33 1.92 5
3 02/17/2023 15:31:19 -69.96, 123.67 98.08 02/17/2023 15:30:07 -70.02, 122.98 97.99 26.77 72
4 02/20/2023 02:43:55 -70.49, -45.26 98.40 02/20/2023 02:45:06 -70.49, -45.15 98.42 4.19 71
5 02/20/2023 03:34:38 70.32, 122.30 81.42 02/20/2023 03:34:30 70.32, 122.26 81.41 1.86 8
6 02/20/2023 04:25:13 -69.86, -69.67 99.09 02/20/2023 04:24:02 -69.90, -70.68 99.00 38.67 71
7 02/22/2023 15:37:50 -70.45, 121.30 99.35 02/22/2023 15:38:59 -70.43, 121.28 99.39 2.84 69
8 02/22/2023 16:28:34 70.35, -71.22 80.52 02/22/2023 16:28:21 70.36, -71.16 80.53 2.69 13
9 02/22/2023 17:19:06 -69.72, 97.05 100.15 02/22/2023 17:17:56 -69.78, 95.68 100.02 53.08 70
10 02/25/2023 04:31:45 -70.44, -72.15 100.31 02/25/2023 04:32:50 -70.43, -72.20 100.32 1.75 65
11 02/25/2023 05:22:29 70.33, 95.32 79.57 02/25/2023 05:22:12 70.36, 95.35 79.60 3.25 17
12 02/25/2023 06:12:59 -69.60, -96.26 101.22 02/25/2023 06:11:50 -69.62, -98.03 101.11 68.57 69
13 02/27/2023 17:25:40 -70.43, 94.37 101.27 02/27/2023 17:26:40 -70.45, 94.33 101.27 2.04 60
14 02/27/2023 18:16:24 70.33, -98.16 78.62 02/27/2023 18:16:03 70.31, -98.20 78.60 2.82 21

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/15/2023
SNOs_Map_NOAA-21_TERRA_20230215.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/15/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA