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: 9/1/2023
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 09/02/2023 14:45:55 71.94, -48.50 64.13 09/02/2023 14:47:00 71.81, -45.70 63.90 98.05 65
2 09/02/2023 15:36:19 -70.92, 120.62 116.95 09/02/2023 15:36:39 -70.93, 120.54 116.94 2.83 20
3 09/02/2023 16:27:04 70.85, -71.96 63.00 09/02/2023 16:26:02 70.84, -71.93 62.99 1.51 62
4 09/05/2023 03:39:34 71.03, 119.63 64.09 09/05/2023 03:40:30 71.01, 119.67 64.05 2.77 56
5 09/05/2023 04:30:15 -70.89, -72.82 116.05 09/05/2023 04:29:55 -70.89, -72.86 116.05 1.25 20
6 09/07/2023 15:43:02 -71.95, 117.19 114.02 09/07/2023 15:44:08 -71.85, 120.03 114.22 98.59 66
7 09/07/2023 16:33:29 70.96, -73.74 64.95 09/07/2023 16:33:46 70.94, -73.77 64.93 1.94 17
8 09/07/2023 17:24:10 -70.87, 93.73 115.14 09/07/2023 17:23:09 -70.89, 93.80 115.12 3.07 61
9 09/10/2023 04:36:39 -71.00, -74.61 114.07 09/10/2023 04:37:37 -71.01, -74.67 114.08 2.25 58
10 09/10/2023 05:27:23 70.89, 92.89 65.82 09/10/2023 05:27:00 70.91, 92.84 65.85 2.94 23
11 09/12/2023 16:40:08 71.86, -76.93 67.78 09/12/2023 16:41:14 71.77, -74.44 67.61 87.17 66
12 09/12/2023 17:30:35 -70.99, 91.92 113.13 09/12/2023 17:30:51 -71.01, 92.00 113.11 3.58 16
13 09/12/2023 18:21:19 70.88,-100.58 66.77 09/12/2023 18:20:15 70.85,-100.59 66.75 3.26 64

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/1/2023
SNOs_Map_NOAA-21_TERRA_20230901.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/01/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA