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: 1/11/2021
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 01/13/2021 18:22:03 -68.77, 82.52 89.95 01/13/2021 18:23:14 -68.68, 83.17 90.07 28.32 71
2 01/13/2021 19:12:41 68.33,-109.60 89.59 01/13/2021 19:12:45 68.35,-109.59 89.61 1.55 4
3 01/13/2021 20:03:22 -68.19, 57.91 90.57 01/13/2021 20:02:16 -68.18, 57.85 90.57 2.59 66
4 01/16/2021 10:38:52 -68.43,-161.25 90.80 01/16/2021 10:39:46 -68.45,-161.23 90.78 3.27 54
5 01/16/2021 11:29:36 68.31, 6.20 89.08 01/16/2021 11:29:14 68.28, 6.21 89.05 3.09 22
6 01/16/2021 12:20:04 -67.52, 174.51 91.75 01/16/2021 12:18:54 -67.56, 173.01 91.66 63.72 70
7 01/19/2021 02:05:22 69.46, 145.78 89.75 01/19/2021 02:06:28 69.38, 148.19 89.60 94.84 66
8 01/19/2021 02:55:46 -68.40, -45.45 91.36 01/19/2021 02:56:14 -68.39, -45.43 91.38 1.81 28
9 01/19/2021 03:46:29 68.24, 122.07 88.47 01/19/2021 03:45:42 68.21, 122.01 88.45 3.36 47
10 01/21/2021 18:22:00 68.53, -97.18 88.21 01/21/2021 18:23:11 68.53, -97.01 88.19 6.89 71
11 01/21/2021 19:12:40 -68.32, 70.41 92.02 01/21/2021 19:12:43 -68.32, 70.37 92.03 1.96 3
12 01/21/2021 20:03:23 68.16,-122.07 87.81 01/21/2021 20:02:10 68.20,-122.13 87.85 4.44 73
13 01/24/2021 10:38:53 68.41, 18.75 87.45 01/24/2021 10:39:41 68.39, 18.71 87.43 2.42 48
14 01/24/2021 11:29:35 -68.30,-173.79 92.67 01/24/2021 11:29:11 -68.30,-173.77 92.68 1.07 24
15 01/24/2021 12:20:01 67.23, -5.16 86.22 01/24/2021 12:18:54 67.28, -7.30 86.33 92.10 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/11/2021
SNOs_Map_NPP_TERRA_20210111.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/11/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA