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: 2/13/2023
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 02/15/2023 00:56:07 -70.66, -18.55 96.44 02/15/2023 00:57:19 -70.55, -18.07 96.59 21.42 72
2 02/15/2023 01:46:47 70.33, 149.27 83.21 02/15/2023 01:46:44 70.33, 149.28 83.21 0.34 3
3 02/15/2023 02:37:25 -70.03, -42.94 97.13 02/15/2023 02:36:12 -70.12, -43.37 97.01 19.29 73
4 02/17/2023 13:50:02 -70.57, 148.09 97.41 02/17/2023 13:51:13 -70.52, 148.39 97.49 12.80 71
5 02/17/2023 14:40:44 70.36, -44.26 82.35 02/17/2023 14:40:37 70.35, -44.19 82.34 2.63 7
6 02/17/2023 15:31:20 -69.95, 123.69 98.10 02/17/2023 15:30:08 -69.98, 122.94 98.02 28.88 72
7 02/20/2023 02:43:55 -70.44, -45.19 98.45 02/20/2023 02:45:06 -70.43, -45.22 98.47 1.53 71
8 02/20/2023 03:34:39 70.33, 122.29 81.43 02/20/2023 03:34:29 70.31, 122.26 81.41 2.42 10
9 02/20/2023 04:25:13 -69.82, -69.61 99.14 02/20/2023 04:24:02 -69.84, -70.75 99.05 43.90 71
10 02/22/2023 15:37:52 -70.47, 121.27 99.34 02/22/2023 15:38:57 -70.46, 121.32 99.37 2.68 65
11 02/22/2023 16:28:35 70.31, -71.17 80.49 02/22/2023 16:28:20 70.33, -71.20 80.51 2.00 15
12 02/22/2023 17:19:06 -69.63, 97.17 100.25 02/22/2023 17:17:57 -69.64, 95.50 100.15 64.78 69
13 02/25/2023 04:31:48 -70.45, -72.19 100.29 02/25/2023 04:32:48 -70.42, -72.21 100.33 3.12 60
14 02/25/2023 05:22:32 70.35, 95.28 79.59 02/25/2023 05:22:10 70.35, 95.34 79.58 2.43 22

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/13/2023
SNOs_Map_NOAA-21_TERRA_20230213.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/13/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA