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: 1/9/2019
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 01/11/2019 10:39:33 -68.34,-161.25 89.93 01/11/2019 10:40:31 -68.34,-161.31 89.94 2.52 58
2 01/11/2019 11:30:17 68.23, 6.20 89.95 01/11/2019 11:29:58 68.23, 6.20 89.95 0.37 19
3 01/11/2019 12:20:48 -67.54, 174.37 90.76 01/11/2019 12:19:38 -67.56, 173.06 90.71 55.65 70
4 01/14/2019 02:56:27 -68.32, -45.45 90.40 01/14/2019 02:57:01 -68.30, -45.48 90.42 2.47 34
5 01/14/2019 03:47:11 68.20, 122.00 89.49 01/14/2019 03:46:28 68.19, 122.03 89.47 2.27 43
6 01/16/2019 18:22:45 68.72, -97.52 89.54 01/16/2019 18:23:56 68.65, -96.81 89.45 29.43 71
7 01/16/2019 19:13:21 -68.30, 70.35 90.90 01/16/2019 19:13:31 -68.27, 70.36 90.94 3.33 10
8 01/16/2019 20:04:04 68.13,-122.13 88.92 01/16/2019 20:02:58 68.15,-122.14 88.95 2.18 66
9 01/19/2019 10:39:33 68.38, 18.70 88.66 01/19/2019 10:40:30 68.40, 18.76 88.67 3.22 57
10 01/19/2019 11:30:14 -68.22,-173.78 91.51 01/19/2019 11:30:01 -68.24,-173.80 91.50 1.96 13
11 01/19/2019 12:20:47 67.52, -5.60 87.76 01/19/2019 12:19:37 67.62, -6.87 87.90 55.05 70
12 01/22/2019 02:56:25 68.31, 134.56 88.01 01/22/2019 02:57:00 68.32, 134.54 88.01 1.69 35
13 01/22/2019 03:47:07 -68.21, -57.99 92.11 01/22/2019 03:46:30 -68.22, -57.94 92.10 2.59 37

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/9/2019
SNOs_Map_NPP_TERRA_20190109.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/09/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service