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: 8/6/2023
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 08/08/2023 10:00:07 -70.91,-155.28 125.20 08/08/2023 10:01:12 -70.92,-155.32 125.20 2.30 65
2 08/08/2023 10:50:51 70.80, 12.21 54.70 08/08/2023 10:50:35 70.82, 12.18 54.72 2.10 16
3 08/08/2023 11:41:20 -70.03,-179.25 126.11 08/08/2023 11:40:12 -70.06, 178.74 125.97 76.40 68
4 08/10/2023 22:53:59 -70.90, 11.26 124.47 08/10/2023 22:54:32 -70.90, 11.29 124.49 1.24 33
5 08/10/2023 23:44:43 70.80, 178.74 55.43 08/10/2023 23:43:55 70.80, 178.79 55.43 2.03 48
6 08/13/2023 10:57:13 71.22, 9.94 56.61 08/13/2023 10:58:24 71.11, 10.60 56.46 26.43 71
7 08/13/2023 11:47:50 -70.86, 177.86 123.77 08/13/2023 11:47:52 -70.85, 177.85 123.78 1.08 2
8 08/13/2023 12:38:30 70.55, -14.32 55.91 08/13/2023 12:37:18 70.58, -14.89 55.99 21.35 72
9 08/15/2023 23:50:59 70.92, 176.98 57.07 08/15/2023 23:51:46 70.92, 176.95 57.06 0.88 47
10 08/16/2023 00:41:41 -70.82, -15.54 123.03 08/16/2023 00:41:11 -70.82, -15.54 123.03 0.09 30
11 08/18/2023 11:54:21 -71.82, 174.63 121.19 08/18/2023 11:55:27 -71.72, 177.22 121.39 90.94 66
12 08/18/2023 12:44:49 70.89, -16.44 57.84 08/18/2023 12:45:03 70.92, -16.40 57.86 3.26 14
13 08/18/2023 13:35:31 -70.79, 151.04 122.26 08/18/2023 13:34:29 -70.76, 151.02 122.28 3.31 62

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/6/2023
SNOs_Map_NOAA-21_TERRA_20230806.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/06/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA