Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/17/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 08/19/2023 01:04:14 -72.03, -22.72 120.80 08/19/2023 01:05:19 -71.95, -19.89 121.00 97.63 65
2 08/19/2023 01:54:41 71.05, 146.35 58.17 08/19/2023 01:54:57 71.05, 146.31 58.16 1.69 16
3 08/19/2023 02:45:23 -70.96, -46.17 121.93 08/19/2023 02:44:22 -70.93, -46.21 121.94 2.96 61
4 08/21/2023 13:57:51 -71.13, 145.43 120.94 08/21/2023 13:58:52 -71.13, 145.42 120.95 0.46 61
5 08/21/2023 14:48:35 71.03, -47.09 58.97 08/21/2023 14:48:15 71.04, -47.06 58.98 1.68 20
6 08/21/2023 15:39:01 -70.09, 121.73 122.01 08/21/2023 15:37:54 -70.16, 119.30 121.84 92.38 67
7 08/24/2023 02:51:44 -71.11, -48.02 120.11 08/24/2023 02:52:09 -71.09, -47.98 120.13 2.21 25
8 08/24/2023 03:42:28 71.01, 119.46 59.80 08/24/2023 03:41:32 71.00, 119.54 59.80 2.85 56
9 08/26/2023 14:54:55 71.15, -48.88 60.79 08/26/2023 14:56:02 71.15, -48.90 60.78 0.87 67
10 08/26/2023 15:45:37 -71.04, 118.61 119.31 08/26/2023 15:45:27 -71.04, 118.58 119.32 1.57 10
11 08/26/2023 16:36:09 70.31, -72.89 59.94 08/26/2023 16:35:01 70.34, -74.80 60.04 71.47 68
12 08/29/2023 03:48:48 71.09, 117.74 61.61 08/29/2023 03:49:19 71.11, 117.70 61.63 3.28 31
13 08/29/2023 04:39:30 -70.98, -74.76 118.49 08/29/2023 04:38:44 -71.00, -74.81 118.46 2.88 46

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 8/17/2023
SNOs_Map_NOAA-20_TERRA_20230817.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 08/17/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA