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: 10/18/2023
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 10/20/2023 11:22:29 71.16, 3.63 81.41 10/20/2023 11:23:25 71.14, 3.59 81.38 2.68 56
2 10/20/2023 12:13:11 -71.07, 171.10 98.68 10/20/2023 12:12:50 -71.08, 171.15 98.67 2.16 21
3 10/22/2023 23:25:48 -71.80, 1.70 97.05 10/22/2023 23:26:56 -71.72, 3.56 97.16 65.37 68
4 10/23/2023 00:16:21 71.14, 170.20 82.28 10/23/2023 00:16:27 71.11, 170.25 82.25 3.30 6
5 10/23/2023 01:07:02 -70.99, -22.23 97.86 10/23/2023 01:05:53 -71.00, -22.26 97.85 2.14 69
6 10/25/2023 12:19:28 -71.17, 169.37 96.82 10/25/2023 12:20:07 -71.16, 169.38 96.83 0.66 39
7 10/25/2023 13:10:12 71.07, -23.15 83.10 10/25/2023 13:09:29 71.04, -23.14 83.07 3.29 43
8 10/28/2023 00:22:37 71.21, 168.51 84.08 10/28/2023 00:23:42 71.21, 168.53 84.08 0.74 65
9 10/28/2023 01:13:19 -71.11, -23.99 96.02 10/28/2023 01:13:08 -71.11, -23.98 96.02 0.42 11
10 10/28/2023 02:03:49 70.28, 144.67 83.16 10/28/2023 02:02:42 70.32, 142.52 83.22 80.88 67
11 10/30/2023 13:16:28 71.17, -24.88 84.88 10/30/2023 13:16:42 71.17, -24.81 84.87 2.51 14
12 10/30/2023 14:07:10 -71.06, 142.62 95.23 10/30/2023 14:06:08 -71.07, 142.68 95.22 2.19 62

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 10/18/2023
SNOs_Map_NOAA-21_TERRA_20231018.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 10/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA