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: 8/30/2023
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 08/31/2023 02:42:23 -70.97, -45.97 117.81 08/31/2023 02:43:22 -70.98, -46.03 117.80 2.78 59
2 08/31/2023 03:33:08 70.90, 121.45 62.13 08/31/2023 03:32:45 70.90, 121.50 62.14 1.96 23
3 09/02/2023 14:45:54 71.90, -48.43 64.08 09/02/2023 14:47:00 71.80, -45.72 63.88 94.56 66
4 09/02/2023 15:36:19 -70.93, 120.60 116.94 09/02/2023 15:36:39 -70.92, 120.52 116.95 3.23 20
5 09/02/2023 16:27:03 70.81, -71.89 62.96 09/02/2023 16:26:02 70.83, -71.95 62.98 2.78 61
6 09/05/2023 03:39:33 70.99, 119.69 64.04 09/05/2023 03:40:30 71.00, 119.65 64.04 1.77 57
7 09/05/2023 04:30:15 -70.90, -72.84 116.04 09/05/2023 04:29:55 -70.88, -72.87 116.06 2.69 20
8 09/07/2023 16:33:29 70.97, -73.76 64.96 09/07/2023 16:33:45 70.99, -73.71 64.97 2.66 16
9 09/07/2023 17:24:11 -70.88, 93.71 115.13 09/07/2023 17:23:10 -70.88, 93.78 115.13 2.56 61
10 09/10/2023 04:36:40 -71.01, -74.63 114.06 09/10/2023 04:37:38 -71.00, -74.68 114.08 2.46 58
11 09/10/2023 05:27:24 70.90, 92.87 65.84 09/10/2023 05:27:01 70.90, 92.82 65.83 1.75 23
12 09/12/2023 16:40:08 71.88, -76.96 67.79 09/12/2023 16:41:14 71.76, -74.46 67.60 87.82 66
13 09/12/2023 17:30:35 -71.00, 91.91 113.12 09/12/2023 17:30:51 -71.00, 91.99 113.12 2.99 16
14 09/12/2023 18:21:18 70.84,-100.52 66.73 09/12/2023 18:20:15 70.84,-100.60 66.74 3.08 63

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/30/2023
SNOs_Map_NOAA-21_TERRA_20230830.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/30/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA