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: 8/21/2023
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 08/23/2023 12:51:35 71.77, -19.60 60.42 08/23/2023 12:52:42 71.68, -17.22 60.23 83.61 67
2 08/23/2023 13:42:02 -70.90, 149.23 120.50 08/23/2023 13:42:19 -70.90, 149.20 120.50 1.09 17
3 08/23/2023 14:32:47 70.84, -43.35 59.45 08/23/2023 14:31:42 70.82, -43.27 59.44 3.63 65
4 08/26/2023 01:45:17 70.99, 148.28 60.45 08/26/2023 01:46:12 70.97, 148.30 60.42 2.78 55
5 08/26/2023 02:35:58 -70.85, -44.17 119.69 08/26/2023 02:35:37 -70.85, -44.23 119.68 2.13 21
6 08/28/2023 14:39:13 70.94, -45.14 61.29 08/28/2023 14:39:29 70.94, -45.09 61.27 1.81 16
7 08/28/2023 15:29:53 -70.80, 122.42 118.86 08/28/2023 15:28:53 -70.82, 122.39 118.83 2.71 60
8 08/31/2023 02:42:23 -70.97, -45.97 117.81 08/31/2023 02:43:22 -70.98, -46.04 117.81 2.66 59
9 08/31/2023 03:33:08 70.91, 121.44 62.14 08/31/2023 03:32:45 70.88, 121.48 62.12 3.12 23
10 09/02/2023 14:45:54 71.91, -48.45 64.10 09/02/2023 14:46:59 71.82, -45.67 63.91 96.72 65
11 09/02/2023 15:36:19 -70.93, 120.59 116.93 09/02/2023 15:36:38 -70.95, 120.58 116.92 2.26 19
12 09/02/2023 16:27:03 70.82, -71.91 62.97 09/02/2023 16:26:01 70.86, -71.90 63.01 3.62 62

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/21/2023
SNOs_Map_NOAA-21_TERRA_20230821.jpg

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

Historial Predications of SNOs between NOAA-21 and TERRA