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: 8/27/2023
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 08/28/2023 13:48:45 -71.91, 145.84 117.70 08/28/2023 13:49:51 -71.82, 148.65 117.91 97.85 66
2 08/28/2023 14:39:12 70.91, -45.08 61.25 08/28/2023 14:39:29 70.92, -45.12 61.26 1.68 17
3 08/28/2023 15:29:54 -70.83, 122.37 118.83 08/28/2023 15:28:54 -70.80, 122.35 118.85 3.42 60
4 08/31/2023 02:42:24 -70.99, -46.01 117.78 08/31/2023 02:43:22 -71.01, -45.99 117.78 2.39 58
5 08/31/2023 03:33:08 70.87, 121.49 62.11 08/31/2023 03:32:46 70.87, 121.46 62.11 1.30 22
6 09/02/2023 14:45:55 71.93, -48.48 64.11 09/02/2023 14:47:00 71.82, -45.68 63.90 97.51 65
7 09/02/2023 15:36:20 -70.96, 120.56 116.91 09/02/2023 15:36:39 -70.94, 120.56 116.93 1.68 19
8 09/02/2023 16:27:04 70.84, -71.94 62.98 09/02/2023 16:26:02 70.85, -71.92 63.00 1.54 62
9 09/05/2023 03:39:33 71.02, 119.65 64.07 09/05/2023 03:40:29 71.01, 119.68 64.06 1.17 56
10 09/05/2023 04:30:15 -70.93, -72.88 116.02 09/05/2023 04:29:54 -70.90, -72.84 116.04 3.24 21
11 09/07/2023 16:33:28 70.94, -73.72 64.93 09/07/2023 16:33:45 70.94, -73.77 64.93 1.90 17
12 09/07/2023 17:24:10 -70.85, 93.76 115.16 09/07/2023 17:23:10 -70.84, 93.72 115.16 2.00 60

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/27/2023
SNOs_Map_NOAA-21_TERRA_20230827.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/27/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA