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: 10/24/2023
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 10/26/2023 02:18:54 71.30, 139.78 83.52 10/26/2023 02:19:15 71.29, 139.78 83.50 1.84 21
2 10/26/2023 03:09:35 -71.17, -52.67 96.61 10/26/2023 03:08:41 -71.17, -52.75 96.61 3.05 54
3 10/28/2023 14:21:59 -71.35, 138.93 95.60 10/28/2023 14:22:54 -71.36, 138.95 95.59 1.56 55
4 10/28/2023 15:12:43 71.24, -53.58 84.31 10/28/2023 15:12:16 71.24, -53.57 84.31 0.38 27
5 10/31/2023 02:25:14 71.80, 137.34 85.69 10/31/2023 02:26:24 71.67, 138.53 85.56 43.47 70
6 10/31/2023 03:15:48 -71.29, -54.43 94.82 10/31/2023 03:15:55 -71.29, -54.44 94.82 0.37 7
7 10/31/2023 04:06:30 71.08, 113.23 84.99 10/31/2023 04:05:18 71.12, 112.95 85.02 10.89 72
8 11/02/2023 15:18:55 71.33, -55.29 86.04 11/02/2023 15:19:29 71.35, -55.27 86.05 1.95 34
9 11/02/2023 16:09:37 -71.24, 112.20 94.06 11/02/2023 16:08:55 -71.24, 112.21 94.05 0.58 42
10 11/05/2023 03:21:59 -71.39, -56.15 93.14 11/05/2023 03:23:06 -71.39, -56.14 93.14 0.56 67
11 11/05/2023 04:12:43 71.30, 111.32 86.78 11/05/2023 04:12:28 71.27, 111.33 86.76 2.60 15
12 11/05/2023 05:03:13 -70.57, -80.15 93.94 11/05/2023 05:02:04 -70.62, -82.02 93.88 69.36 69

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/24/2023
SNOs_Map_NOAA-20_TERRA_20231025.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/24/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA