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: 2/12/2021
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 02/12/2021 03:46:28 -68.22, -57.92 98.19 02/12/2021 03:45:28 -68.23, -57.97 98.17 2.91 60
2 02/14/2021 18:21:57 -68.48, 82.89 98.81 02/14/2021 18:22:57 -68.45, 82.89 98.84 2.69 60
3 02/14/2021 19:12:41 68.36,-109.65 81.06 02/14/2021 19:12:24 68.34,-109.60 81.04 2.90 17
4 02/14/2021 20:03:13 -67.73, 58.46 99.60 02/14/2021 20:02:02 -67.78, 57.38 99.51 45.63 71
5 02/17/2021 10:38:51 -68.42,-161.27 99.79 02/17/2021 10:39:24 -68.44,-161.24 99.78 2.88 33
6 02/17/2021 11:29:34 68.25, 6.26 80.02 02/17/2021 11:28:52 68.27, 6.20 80.05 3.31 42
7 02/20/2021 02:05:08 68.73, 146.78 79.59 02/20/2021 02:06:19 68.64, 147.26 79.48 21.73 71
8 02/20/2021 02:55:45 -68.37, -45.43 100.80 02/20/2021 02:55:52 -68.38, -45.44 100.80 0.87 7
9 02/20/2021 03:46:29 68.25, 122.03 79.07 02/20/2021 03:45:19 68.25, 122.06 79.08 1.52 70
10 02/22/2021 18:21:58 68.47, -97.10 78.34 02/22/2021 18:22:49 68.46, -97.09 78.32 1.27 51
11 02/22/2021 19:12:39 -68.32, 70.41 101.83 02/22/2021 19:12:20 -68.30, 70.36 101.84 2.52 19
12 02/22/2021 20:03:08 67.39,-121.14 77.21 02/22/2021 20:02:00 67.45,-122.98 77.33 78.79 68
13 02/25/2021 09:48:26 -69.54,-150.12 101.52 02/25/2021 09:49:32 -69.44,-147.60 101.70 98.96 66
14 02/25/2021 10:38:51 68.42, 18.73 77.30 02/25/2021 10:39:15 68.43, 18.77 77.31 2.04 24
15 02/25/2021 11:29:32 -68.27,-173.76 102.87 02/25/2021 11:28:46 -68.28,-173.78 102.86 1.71 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/12/2021
SNOs_Map_NPP_TERRA_20210212.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/12/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA