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: 1/9/2021
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 01/11/2021 02:55:46 68.37, 134.59 90.07 01/11/2021 02:56:16 68.39, 134.59 90.09 2.87 30
2 01/11/2021 03:46:28 -68.28, -57.98 90.03 01/11/2021 03:45:46 -68.28, -57.91 90.03 2.79 42
3 01/13/2021 18:22:03 -68.78, 82.51 89.94 01/13/2021 18:23:14 -68.67, 83.16 90.08 29.01 71
4 01/13/2021 19:12:41 68.34,-109.61 89.60 01/13/2021 19:12:45 68.33,-109.60 89.59 0.94 4
5 01/13/2021 20:03:22 -68.20, 57.90 90.56 01/13/2021 20:02:15 -68.23, 57.90 90.52 3.53 67
6 01/16/2021 10:38:52 -68.43,-161.26 90.79 01/16/2021 10:39:46 -68.44,-161.24 90.79 1.52 54
7 01/16/2021 11:29:35 68.27, 6.26 89.03 01/16/2021 11:29:14 68.27, 6.20 89.04 2.61 21
8 01/16/2021 12:20:04 -67.47, 174.56 91.80 01/16/2021 12:18:55 -67.55, 173.00 91.67 67.11 69
9 01/19/2021 02:05:22 69.47, 145.77 89.76 01/19/2021 02:06:28 69.37, 148.18 89.59 94.92 66
10 01/19/2021 02:55:45 -68.35, -45.39 91.41 01/19/2021 02:56:14 -68.38, -45.44 91.39 3.27 29
11 01/19/2021 03:46:29 68.24, 122.06 88.47 01/19/2021 03:45:41 68.26, 122.06 88.49 1.44 48
12 01/21/2021 18:22:00 68.54, -97.19 88.21 01/21/2021 18:23:11 68.51, -97.02 88.17 7.22 71
13 01/21/2021 19:12:40 -68.33, 70.41 92.02 01/21/2021 19:12:43 -68.31, 70.36 92.04 3.38 3
14 01/21/2021 20:03:23 68.17,-122.08 87.81 01/21/2021 20:02:10 68.18,-122.15 87.84 3.01 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/9/2021
SNOs_Map_NPP_TERRA_20210109.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/09/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA