Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/28/2020
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 12/28/2020 18:22:05 -69.02, 82.21 87.85 12/28/2020 18:23:15 -68.92, 83.48 87.97 51.99 70
2 12/28/2020 19:12:39 68.36,-109.60 91.48 12/28/2020 19:12:50 68.37,-109.56 91.48 2.09 11
3 12/28/2020 20:03:20 -68.22, 57.89 88.67 12/28/2020 20:02:21 -68.20, 57.88 88.69 2.66 59
4 12/31/2020 10:38:50 -68.44,-161.25 88.62 12/31/2020 10:39:52 -68.44,-161.23 88.62 0.94 62
5 12/31/2020 11:29:34 68.32, 6.22 91.26 12/31/2020 11:29:19 68.33, 6.28 91.27 3.07 15
6 12/31/2020 12:20:07 -67.75, 174.25 89.33 12/31/2020 12:18:56 -67.83, 173.33 89.23 39.76 71
7 01/03/2021 02:55:45 -68.40, -45.43 88.89 01/03/2021 02:56:21 -68.41, -45.40 88.89 1.63 36
8 01/03/2021 03:46:27 68.23, 122.10 90.93 01/03/2021 03:45:48 68.24, 122.05 90.94 2.31 39
9 01/05/2021 18:22:04 68.83, -97.56 91.28 01/05/2021 18:23:15 68.69, -96.80 91.11 34.38 71
10 01/05/2021 19:12:39 -68.36, 70.38 89.22 01/05/2021 19:12:49 -68.36, 70.43 89.22 2.05 10
11 01/05/2021 20:03:22 68.19,-122.09 90.61 01/05/2021 20:02:17 68.19,-122.13 90.61 1.64 65
12 01/08/2021 10:38:52 68.43, 18.75 90.52 01/08/2021 10:39:48 68.42, 18.74 90.50 1.26 56
13 01/08/2021 11:29:34 -68.33,-173.80 89.59 01/08/2021 11:29:18 -68.32,-173.75 89.60 2.70 16
14 01/08/2021 12:20:05 67.51, -5.48 89.58 01/08/2021 12:18:56 67.58, -6.96 89.67 63.02 69
15 01/11/2021 02:55:47 68.40, 134.56 90.10 01/11/2021 02:56:16 68.42, 134.62 90.11 3.32 29

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/28/2020
SNOs_Map_NPP_TERRA_20201228.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/28/2020 in txt file.

Historial Predications of SNOs between NPP and TERRA