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: 1/12/2021
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 01/13/2021 18:22:02 -68.75, 82.55 89.98 01/13/2021 18:23:14 -68.65, 83.13 90.10 25.91 72
2 01/13/2021 19:12:40 68.31,-109.56 89.57 01/13/2021 19:12:45 68.32,-109.63 89.58 2.93 5
3 01/13/2021 20:03:22 -68.22, 57.87 90.54 01/13/2021 20:02:15 -68.21, 57.88 90.54 1.14 67
4 01/16/2021 10:38:51 -68.40,-161.22 90.83 01/16/2021 10:39:46 -68.42,-161.27 90.81 2.92 55
5 01/16/2021 11:29:35 68.28, 6.24 89.05 01/16/2021 11:29:13 68.31, 6.24 89.08 2.65 22
6 01/16/2021 12:20:04 -67.49, 174.54 91.77 01/16/2021 12:18:55 -67.53, 172.97 91.69 66.59 69
7 01/19/2021 02:05:23 69.49, 145.74 89.78 01/19/2021 02:06:29 69.35, 148.15 89.57 95.51 66
8 01/19/2021 02:55:46 -68.38, -45.42 91.39 01/19/2021 02:56:15 -68.35, -45.47 91.41 3.31 29
9 01/19/2021 03:46:30 68.26, 122.03 88.49 01/19/2021 03:45:42 68.23, 122.04 88.47 3.10 48
10 01/21/2021 18:22:01 68.56, -97.21 88.24 01/21/2021 18:23:11 68.55, -96.99 88.20 9.38 70
11 01/21/2021 19:12:41 -68.35, 70.37 91.99 01/21/2021 19:12:43 -68.33, 70.39 92.02 2.36 2
12 01/21/2021 20:03:23 68.14,-122.04 87.78 01/21/2021 20:02:11 68.16,-122.18 87.81 6.13 72
13 01/24/2021 10:38:53 68.44, 18.72 87.48 01/24/2021 10:39:40 68.41, 18.72 87.44 3.51 47
14 01/24/2021 11:29:34 -68.28,-173.76 92.69 01/24/2021 11:29:10 -68.31,-173.76 92.67 3.09 24
15 01/24/2021 12:20:00 67.20, -5.13 86.19 01/24/2021 12:18:53 67.29, -7.29 86.34 93.18 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/12/2021
SNOs_Map_NPP_TERRA_20210112.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/12/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA