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: 1/15/2021
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 01/16/2021 10:38:51 -68.40,-161.22 90.83 01/16/2021 10:39:46 -68.42,-161.27 90.81 2.90 55
2 01/16/2021 11:29:35 68.28, 6.24 89.05 01/16/2021 11:29:13 68.31, 6.24 89.08 3.31 22
3 01/16/2021 12:20:04 -67.49, 174.54 91.77 01/16/2021 12:18:55 -67.53, 172.97 91.69 66.64 69
4 01/19/2021 02:05:23 69.48, 145.75 89.78 01/19/2021 02:06:29 69.35, 148.15 89.57 95.32 66
5 01/19/2021 02:55:46 -68.37, -45.42 91.39 01/19/2021 02:56:15 -68.35, -45.47 91.41 3.16 29
6 01/19/2021 03:46:30 68.26, 122.04 88.49 01/19/2021 03:45:42 68.24, 122.04 88.47 2.16 48
7 01/21/2021 18:22:01 68.56, -97.21 88.23 01/21/2021 18:23:11 68.55, -96.98 88.21 9.18 70
8 01/21/2021 19:12:41 -68.35, 70.38 91.99 01/21/2021 19:12:43 -68.34, 70.39 92.01 1.78 2
9 01/21/2021 20:03:24 68.18,-122.10 87.83 01/21/2021 20:02:10 68.22,-122.11 87.87 3.75 74
10 01/24/2021 10:38:53 68.43, 18.72 87.48 01/24/2021 10:39:40 68.41, 18.73 87.45 1.92 47
11 01/24/2021 11:29:34 -68.28,-173.76 92.70 01/24/2021 11:29:11 -68.26,-173.82 92.71 3.42 23
12 01/24/2021 12:20:00 67.19, -5.12 86.18 01/24/2021 12:18:54 67.24, -7.34 86.30 95.61 66
13 01/27/2021 02:05:20 -69.37, -34.10 92.21 01/27/2021 02:06:27 -69.28, -31.94 92.37 85.28 67
14 01/27/2021 02:55:47 68.36, 134.58 86.74 01/27/2021 02:56:08 68.38, 134.57 86.75 2.37 21
15 01/27/2021 03:46:29 -68.26, -57.97 93.39 01/27/2021 03:45:39 -68.23, -57.98 93.41 3.22 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/15/2021
SNOs_Map_NPP_TERRA_20210115.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/15/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA