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: 8/23/2023
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 71.79, -19.64 60.44 08/23/2023 12:52:41 71.71, -17.17 60.26 86.44 66
2 08/23/2023 13:42:02 -70.92, 149.20 120.47 08/23/2023 13:42:18 -70.93, 149.25 120.47 2.43 16
3 08/23/2023 14:32:46 70.80, -43.29 59.41 08/23/2023 14:31:42 70.80, -43.30 59.42 0.42 64
4 08/26/2023 01:45:16 70.96, 148.33 60.42 08/26/2023 01:46:12 70.95, 148.26 60.40 2.80 56
5 08/26/2023 02:35:58 -70.87, -44.20 119.67 08/26/2023 02:35:36 -70.88, -44.18 119.66 1.63 22
6 08/28/2023 13:48:45 -71.90, 145.86 117.71 08/28/2023 13:49:51 -71.82, 148.66 117.90 97.43 66
7 08/28/2023 14:39:12 70.91, -45.08 61.25 08/28/2023 14:39:29 70.92, -45.13 61.25 1.78 17
8 08/28/2023 15:29:54 -70.82, 122.39 118.84 08/28/2023 15:28:54 -70.80, 122.35 118.85 2.66 60
9 08/31/2023 02:42:24 -70.98, -46.00 117.79 08/31/2023 02:43:22 -71.01, -45.99 117.78 2.44 58
10 08/31/2023 03:33:08 70.87, 121.49 62.11 08/31/2023 03:32:46 70.86, 121.45 62.10 2.19 22
11 09/02/2023 14:45:54 71.88, -48.38 64.06 09/02/2023 14:47:00 71.80, -45.71 63.89 93.11 66
12 09/02/2023 15:36:20 -70.95, 120.57 116.92 09/02/2023 15:36:39 -70.93, 120.55 116.94 2.58 19
13 09/02/2023 16:27:03 70.84, -71.94 62.99 09/02/2023 16:26:01 70.83, -71.94 62.98 0.75 62
14 09/05/2023 03:39:33 71.02, 119.64 64.07 09/05/2023 03:40:29 70.99, 119.64 64.03 3.73 56
15 09/05/2023 04:30:14 -70.87, -72.79 116.07 09/05/2023 04:29:54 -70.88, -72.87 116.06 3.00 20

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/23/2023
SNOs_Map_NOAA-21_TERRA_20230823.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/23/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA