Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/23/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 10/23/2023 13:25:04 71.33, -26.80 82.66 10/23/2023 13:26:13 71.34, -26.85 82.68 2.44 69
2 10/23/2023 14:15:46 -71.24, 140.66 97.41 10/23/2023 14:15:39 -71.23, 140.62 97.43 2.40 7
3 10/23/2023 15:06:19 70.55, -50.89 81.91 10/23/2023 15:05:10 70.62, -52.64 81.99 65.28 69
4 10/26/2023 02:18:54 71.31, 139.76 83.53 10/26/2023 02:19:14 71.32, 139.84 83.54 3.19 20
5 10/26/2023 03:09:36 -71.23, -52.77 96.55 10/26/2023 03:08:40 -71.21, -52.69 96.57 3.36 56
6 10/28/2023 14:21:59 -71.36, 138.91 95.58 10/28/2023 14:22:54 -71.34, 138.91 95.61 2.52 55
7 10/28/2023 15:12:43 71.25, -53.60 84.33 10/28/2023 15:12:15 71.27, -53.53 84.34 3.28 28
8 10/31/2023 02:25:13 71.76, 137.41 85.66 10/31/2023 02:26:23 71.68, 138.55 85.57 40.58 70
9 10/31/2023 03:15:48 -71.30, -54.46 94.80 10/31/2023 03:15:54 -71.30, -54.42 94.81 1.32 6
10 10/31/2023 04:06:30 71.10, 113.21 85.01 10/31/2023 04:05:17 71.13, 112.97 85.03 9.09 73
11 11/02/2023 15:18:55 71.36, -55.32 86.06 11/02/2023 15:19:28 71.34, -55.29 86.04 2.41 33
12 11/02/2023 16:09:37 -71.26, 112.16 94.03 11/02/2023 16:08:54 -71.23, 112.19 94.06 3.33 43
13 11/05/2023 03:22:00 -71.42, -56.20 93.11 11/05/2023 03:23:05 -71.41, -56.11 93.12 3.21 65
14 11/05/2023 04:12:43 71.27, 111.37 86.76 11/05/2023 04:12:27 71.29, 111.36 86.77 1.48 16

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/23/2023
SNOs_Map_NOAA-20_TERRA_20231023.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/23/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA