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: 12/27/2022
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 12/28/2022 19:01:09 70.28,-109.09 93.48 12/28/2022 19:01:50 70.27,-109.15 93.46 2.50 41
2 12/28/2022 19:51:51 -70.19, 58.36 86.62 12/28/2022 19:51:15 -70.20, 58.41 86.61 1.91 36
3 12/31/2022 07:55:05 70.31, 57.37 93.35 12/31/2022 07:55:55 70.33, 57.40 93.36 2.29 50
4 12/31/2022 08:45:47 -70.22,-135.17 86.75 12/31/2022 08:45:21 -70.21,-135.13 86.76 2.18 26
5 01/02/2023 20:49:00 70.35,-136.17 93.19 01/02/2023 20:50:00 70.32,-136.17 93.15 3.49 60
6 01/02/2023 21:39:41 -70.20, 31.37 86.97 01/02/2023 21:39:26 -70.20, 31.31 86.98 2.46 15
7 01/02/2023 22:30:10 69.29,-159.98 92.09 01/02/2023 22:29:03 69.35,-162.18 92.21 86.54 67
8 01/05/2023 09:42:55 70.34, 30.36 92.93 01/05/2023 09:44:05 70.34, 30.32 92.92 1.28 70
9 01/05/2023 10:33:37 -70.24,-162.18 87.18 01/05/2023 10:33:31 -70.22,-162.20 87.21 3.00 6
10 01/05/2023 11:24:12 69.66, 6.01 92.21 01/05/2023 11:23:02 69.71, 4.75 92.30 49.09 70
11 01/07/2023 22:36:56 70.65,-163.63 92.95 01/07/2023 22:38:06 70.56,-162.90 92.83 28.74 70
12 01/07/2023 23:27:33 -70.29, 4.26 87.44 01/07/2023 23:27:35 -70.27, 4.34 87.46 3.19 2
13 01/08/2023 00:18:13 69.97, 172.06 92.23 01/08/2023 00:17:01 70.04, 171.66 92.32 16.87 72

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 12/27/2022
SNOs_Map_NOAA-21_TERRA_20221227.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 12/27/2022 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA