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: 9/11/2023
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 09/12/2023 16:40:08 71.86, -76.94 67.78 09/12/2023 16:41:14 71.76, -74.46 67.60 86.62 66
2 09/12/2023 17:30:35 -71.00, 91.91 113.12 09/12/2023 17:30:51 -70.99, 91.96 113.14 2.61 16
3 09/12/2023 18:21:19 70.88,-100.58 66.77 09/12/2023 18:20:14 70.89,-100.53 66.79 2.47 65
4 09/15/2023 05:33:48 71.03, 91.05 67.87 09/15/2023 05:34:40 71.06, 91.08 67.89 3.19 52
5 09/15/2023 06:24:30 -70.95,-101.49 112.21 09/15/2023 06:24:05 -70.95,-101.43 112.20 2.36 25
6 09/17/2023 17:37:13 -71.83, 88.85 110.34 09/17/2023 17:38:20 -71.70, 91.11 110.54 80.27 67
7 09/17/2023 18:27:43 70.99,-102.36 68.80 09/17/2023 18:27:54 70.99,-102.35 68.80 0.39 11
8 09/17/2023 19:18:25 -70.90, 65.10 111.28 09/17/2023 19:17:19 -70.89, 65.15 111.29 2.20 66
9 09/20/2023 06:30:54 -71.07,-103.29 110.16 09/20/2023 06:31:44 -71.07,-103.23 110.17 2.11 50
10 09/20/2023 07:21:37 70.96, 64.21 69.74 09/20/2023 07:21:06 70.95, 64.25 69.73 1.66 31
11 09/22/2023 18:34:15 71.60,-105.01 71.36 09/22/2023 18:35:24 71.47,-103.57 71.20 52.95 69
12 09/22/2023 19:24:47 -70.98, 63.37 109.27 09/22/2023 19:24:56 -71.00, 63.35 109.25 2.37 9
13 09/22/2023 20:15:31 70.87,-129.14 70.64 09/22/2023 20:14:19 70.88,-129.18 70.65 1.69 72

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/11/2023
SNOs_Map_NOAA-21_TERRA_20230911.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/11/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA