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: 1/17/2023
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 01/18/2023 03:03:11 -70.31, -49.71 89.07 01/18/2023 03:03:46 -70.31, -49.75 89.08 1.66 35
2 01/18/2023 03:53:55 70.19, 117.78 90.80 01/18/2023 03:53:10 70.20, 117.74 90.81 1.44 45
3 01/20/2023 15:57:05 -70.31, 116.81 89.60 01/20/2023 15:57:47 -70.32, 116.74 89.59 3.44 42
4 01/20/2023 16:47:49 70.19, -75.70 90.27 01/20/2023 16:47:11 70.20, -75.77 90.29 3.02 38
5 01/23/2023 04:50:59 -70.37, -76.76 90.10 01/23/2023 04:51:46 -70.35, -76.75 90.13 1.94 47
6 01/23/2023 05:41:42 70.20, 90.80 89.72 01/23/2023 05:41:10 70.22, 90.73 89.75 3.51 32
7 01/25/2023 17:44:53 -70.38, 89.73 90.69 01/25/2023 17:45:45 -70.38, 89.78 90.70 2.09 52
8 01/25/2023 18:35:36 70.22,-102.71 89.14 01/25/2023 18:35:09 70.25,-102.74 89.17 3.31 27
9 01/28/2023 06:38:46 -70.36,-103.72 91.35 01/28/2023 06:39:44 -70.37,-103.75 91.35 1.54 58
10 01/28/2023 07:29:30 70.26, 63.75 88.53 01/28/2023 07:29:08 70.24, 63.72 88.51 2.92 22
11 01/28/2023 08:19:55 -69.26,-127.46 92.53 01/28/2023 08:18:49 -69.29,-129.92 92.39 96.81 66
12 01/30/2023 19:32:39 -70.35, 62.82 92.04 01/30/2023 19:33:42 -70.37, 62.74 92.03 3.60 63
13 01/30/2023 20:23:24 70.30,-129.80 87.90 01/30/2023 20:23:05 70.28,-129.73 87.88 3.47 19

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/17/2023
SNOs_Map_NOAA-21_TERRA_20230117.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/17/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA