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: 12/4/2023
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 12/04/2023 15:43:39 71.39, -62.07 93.59 12/04/2023 15:44:50 71.36, -62.00 93.55 4.13 71
2 12/04/2023 16:34:20 -71.24, 105.51 86.57 12/04/2023 16:34:15 -71.23, 105.45 86.58 2.33 5
3 12/04/2023 17:24:54 70.67, -86.21 92.85 12/04/2023 17:23:44 70.73, -87.65 92.94 53.60 70
4 12/07/2023 03:46:59 -71.94, -63.86 85.53 12/07/2023 03:48:08 -71.81, -62.16 85.70 60.49 69
5 12/07/2023 04:37:32 71.27, 104.66 93.78 12/07/2023 04:37:39 71.26, 104.61 93.77 2.07 7
6 12/07/2023 05:28:14 -71.17, -87.85 86.33 12/07/2023 05:27:03 -71.19, -87.85 86.30 2.06 71
7 12/09/2023 16:40:43 -71.32, 103.79 85.91 12/09/2023 16:41:05 -71.30, 103.77 85.93 2.43 22
8 12/09/2023 17:31:27 71.22, -88.73 94.00 12/09/2023 17:30:27 71.23, -88.67 94.01 2.76 60
9 12/12/2023 04:43:55 71.33, 102.98 94.33 12/12/2023 04:44:28 71.36, 102.99 94.35 3.40 33
10 12/12/2023 05:34:37 -71.22, -89.52 85.78 12/12/2023 05:33:53 -71.23, -89.57 85.78 1.65 44
11 12/14/2023 16:47:05 -71.34, 102.16 85.49 12/14/2023 16:47:53 -71.37, 102.11 85.47 3.23 48
12 12/14/2023 17:37:49 71.25, -90.36 94.42 12/14/2023 17:37:16 71.25, -90.41 94.43 1.75 33
13 12/17/2023 04:50:17 71.38, 101.30 94.69 12/17/2023 04:51:15 71.40, 101.30 94.70 2.58 58
14 12/17/2023 05:40:59 -71.27, -91.20 85.43 12/17/2023 05:40:40 -71.27, -91.25 85.43 2.04 19

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 12/4/2023
SNOs_Map_NOAA-21_TERRA_20231204.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 12/04/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA