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: 10/6/2023
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 10/07/2023 21:25:17 -71.14, 32.99 103.29 10/07/2023 21:26:15 -71.14, 33.03 103.29 1.86 58
2 10/07/2023 22:16:01 71.02,-159.51 76.61 10/07/2023 22:15:38 70.99,-159.53 76.58 3.17 23
3 10/10/2023 09:28:39 71.75, 31.10 78.30 10/10/2023 09:29:47 71.68, 32.95 78.20 65.12 68
4 10/10/2023 10:19:10 -71.09,-160.42 102.37 10/10/2023 10:19:22 -71.07,-160.38 102.40 2.71 12
5 10/10/2023 11:09:54 70.98, 7.08 77.53 10/10/2023 11:08:44 70.97, 7.13 77.52 2.39 70
6 10/12/2023 22:22:20 71.10,-161.23 78.59 10/12/2023 22:23:02 71.12,-161.25 78.60 1.81 42
7 10/12/2023 23:13:02 -71.01, 6.25 101.50 10/12/2023 23:12:28 -71.01, 6.22 101.51 0.99 34
8 10/15/2023 10:25:31 -71.35,-162.43 100.24 10/15/2023 10:26:42 -71.28,-161.96 100.32 18.47 71
9 10/15/2023 11:16:11 71.04, 5.41 79.46 10/15/2023 11:16:06 71.06, 5.36 79.48 2.56 5
10 10/15/2023 12:06:48 -70.68, 173.32 100.90 10/15/2023 12:05:36 -70.73, 172.51 100.84 30.30 72
11 10/17/2023 23:19:20 -71.14, 4.46 99.52 10/17/2023 23:19:48 -71.12, 4.50 99.54 2.33 28
12 10/18/2023 00:10:03 70.99, 172.02 80.34 10/18/2023 00:09:10 71.00, 171.98 80.35 1.95 53

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 10/6/2023
SNOs_Map_NOAA-21_TERRA_20231006.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 10/06/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA