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: 1/18/2023
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 03:53:55 70.19, 117.78 90.80 01/18/2023 03:53:10 70.20, 117.75 90.81 1.51 45
2 01/20/2023 15:57:06 -70.35, 116.74 89.55 01/20/2023 15:57:47 -70.34, 116.76 89.58 2.31 41
3 01/20/2023 16:47:50 70.24, -75.78 90.33 01/20/2023 16:47:11 70.22, -75.75 90.31 2.66 39
4 01/23/2023 04:50:59 -70.36, -76.75 90.11 01/23/2023 04:51:46 -70.38, -76.71 90.11 2.46 47
5 01/23/2023 05:41:43 70.25, 90.73 89.77 01/23/2023 05:41:10 70.25, 90.77 89.77 1.61 33
6 01/25/2023 17:44:53 -70.37, 89.75 90.70 01/25/2023 17:45:46 -70.38, 89.77 90.71 1.00 53
7 01/25/2023 18:35:37 70.26,-102.77 89.18 01/25/2023 18:35:10 70.25,-102.76 89.17 1.93 27
8 01/28/2023 06:38:47 -70.40,-103.77 91.32 01/28/2023 06:39:45 -70.39,-103.72 91.33 1.73 58
9 01/28/2023 07:29:30 70.24, 63.79 88.51 01/28/2023 07:29:09 70.26, 63.74 88.53 2.77 21
10 01/28/2023 08:19:56 -69.29,-127.50 92.49 01/28/2023 08:18:49 -69.37,-129.82 92.31 91.40 67
11 01/30/2023 19:32:40 -70.38, 62.78 92.02 01/30/2023 19:33:44 -70.37, 62.73 92.03 2.12 64
12 01/30/2023 20:23:24 70.27,-129.75 87.87 01/30/2023 20:23:07 70.28,-129.74 87.88 0.97 17

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/18/2023
SNOs_Map_NOAA-21_TERRA_20230118.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA