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: 11/3/2024
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 11/04/2024 19:09:53 73.61,-117.11 89.30 11/04/2024 19:11:00 73.50,-114.93 89.13 69.90 67
2 11/04/2024 20:00:24 -72.97, 51.64 91.38 11/04/2024 20:00:32 -72.94, 51.62 91.41 3.37 8
3 11/04/2024 20:51:06 72.75,-140.59 88.41 11/04/2024 20:49:54 72.79,-141.00 88.46 13.98 72
4 11/07/2024 06:22:17 73.04, 76.01 89.43 11/07/2024 06:23:29 73.01, 75.99 89.40 3.07 72
5 11/07/2024 07:12:59 -72.94,-116.47 90.67 11/07/2024 07:12:52 -72.93,-116.52 90.68 2.46 7
6 11/07/2024 08:03:31 72.22, 52.31 88.60 11/07/2024 08:02:24 72.24, 49.89 88.67 82.25 67
7 11/09/2024 17:34:51 73.00, -92.06 90.10 11/09/2024 17:35:47 73.01, -92.15 90.10 2.89 56
8 11/09/2024 18:25:34 -72.95, 75.37 89.95 11/09/2024 18:25:09 -72.97, 75.44 89.93 3.24 25
9 11/12/2024 04:47:25 72.99, 99.81 90.77 11/12/2024 04:48:03 73.00, 99.73 90.77 2.83 38
10 11/12/2024 05:38:08 -72.93, -92.75 89.29 11/12/2024 05:37:25 -72.95, -92.69 89.27 2.87 43
11 11/14/2024 15:59:58 73.01, -68.38 91.43 11/14/2024 16:00:16 72.98, -68.39 91.40 3.27 18
12 11/14/2024 16:50:41 -72.95, 99.07 88.63 11/14/2024 16:49:38 -72.94, 99.18 88.64 3.67 63
13 11/17/2024 02:21:52 -73.35, -44.57 87.61 11/17/2024 02:23:03 -73.27, -43.59 87.72 32.49 71

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 11/3/2024
SNOs_Map_NOAA-21_TERRA_20241103.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 11/03/2024 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA