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: 1/12/2020
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 01/14/2020 10:38:47 -68.64,-161.47 90.08 01/14/2020 10:39:59 -68.56,-161.06 90.17 18.83 72
2 01/14/2020 11:29:27 68.31, 6.27 89.58 01/14/2020 11:29:29 68.30, 6.27 89.57 0.88 2
3 01/14/2020 12:20:08 -68.17, 173.77 90.58 01/14/2020 12:18:59 -68.19, 173.76 90.55 2.31 69
4 01/17/2020 02:55:36 -68.42, -45.41 90.79 01/17/2020 02:56:37 -68.40, -45.40 90.82 2.26 61
5 01/17/2020 03:46:19 68.25, 122.11 89.04 01/17/2020 03:46:05 68.25, 122.06 89.03 2.48 14
6 01/17/2020 04:36:53 -67.73, -69.91 91.51 01/17/2020 04:35:42 -67.75, -70.89 91.47 41.21 71
7 01/19/2020 19:12:28 -68.37, 70.44 91.38 01/19/2020 19:13:15 -68.38, 70.42 91.37 1.58 47
8 01/19/2020 20:03:12 68.26,-122.11 88.50 01/19/2020 20:02:42 68.28,-122.06 88.52 3.04 30
9 01/19/2020 20:53:36 -67.19, 46.51 92.60 01/19/2020 20:52:29 -67.22, 44.37 92.51 92.36 67
10 01/22/2020 11:29:20 -68.37,-173.79 91.96 01/22/2020 11:29:54 -68.38,-173.74 91.95 2.40 34
11 01/22/2020 12:20:03 68.21, -6.27 87.87 01/22/2020 12:19:22 68.22, -6.29 87.89 2.12 41
12 01/25/2020 02:55:46 69.28, 133.45 88.37 01/25/2020 02:56:54 69.18, 135.44 88.21 79.37 68
13 01/25/2020 03:46:13 -68.37, -58.01 92.58 01/25/2020 03:46:37 -68.36, -57.95 92.60 2.88 24
14 01/25/2020 04:36:56 68.21, 109.50 87.25 01/25/2020 04:36:05 68.20, 109.50 87.24 1.49 51

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/12/2020
SNOs_Map_NPP_TERRA_20200112.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/12/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service