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: 11/16/2023
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 11/17/2023 02:30:25 71.23, 136.52 90.02 11/17/2023 02:31:03 71.25, 136.50 90.05 3.23 38
2 11/17/2023 03:21:07 -71.12, -55.99 90.08 11/17/2023 03:20:29 -71.11, -56.07 90.09 3.26 38
3 11/19/2023 14:33:38 -71.28, 135.63 89.33 11/19/2023 14:34:36 -71.27, 135.61 89.34 1.34 58
4 11/19/2023 15:24:22 71.18, -56.88 90.58 11/19/2023 15:23:58 71.18, -56.87 90.58 0.34 24
5 11/22/2023 02:36:53 71.34, 134.72 91.30 11/22/2023 02:38:05 71.31, 134.76 91.26 4.11 72
6 11/22/2023 03:27:35 -71.23, -57.78 88.80 11/22/2023 03:27:30 -71.21, -57.73 88.82 2.85 5
7 11/22/2023 04:18:10 70.66, 110.48 90.63 11/22/2023 04:17:00 70.68, 109.12 90.67 50.09 70
8 11/24/2023 14:40:17 -72.02, 132.68 87.47 11/24/2023 14:41:25 -71.91, 134.84 87.62 75.43 68
9 11/24/2023 15:30:48 71.25, -58.62 91.75 11/24/2023 15:30:58 71.22, -58.62 91.72 3.26 10
10 11/24/2023 16:21:30 -71.14, 108.88 88.36 11/24/2023 16:20:23 -71.13, 108.89 88.38 1.68 67
11 11/27/2023 03:34:00 -71.27, -59.45 87.76 11/27/2023 03:34:29 -71.25, -59.48 87.77 1.84 29
12 11/27/2023 04:24:44 71.17, 108.02 92.16 11/27/2023 04:23:51 71.17, 108.05 92.15 1.19 53
13 11/29/2023 15:37:14 71.31, -60.32 92.74 11/29/2023 15:37:56 71.32, -60.27 92.74 2.37 42
14 11/29/2023 16:27:56 -71.19, 107.19 87.38 11/29/2023 16:27:21 -71.22, 107.22 87.36 3.10 35

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 11/16/2023
SNOs_Map_NOAA-21_TERRA_20231116.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 11/16/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA