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: 1/10/2019
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 -68.35,-161.26 89.93 01/11/2019 10:40:30 -68.36,-161.30 89.92 2.48 57
2 01/11/2019 11:30:17 68.23, 6.20 89.95 01/11/2019 11:29:57 68.25, 6.21 89.97 2.50 20
3 01/11/2019 12:20:47 -67.49, 174.43 90.82 01/11/2019 12:19:37 -67.59, 173.08 90.69 58.52 70
4 01/14/2019 02:56:27 -68.32, -45.45 90.39 01/14/2019 02:56:59 -68.32, -45.46 90.40 0.41 32
5 01/14/2019 03:47:11 68.21, 122.00 89.49 01/14/2019 03:46:26 68.21, 122.04 89.49 1.76 45
6 01/16/2019 18:22:43 68.61, -97.37 89.43 01/16/2019 18:23:55 68.53, -96.96 89.33 19.05 72
7 01/16/2019 19:13:20 -68.24, 70.42 90.96 01/16/2019 19:13:28 -68.26, 70.35 90.94 3.35 8
8 01/16/2019 20:04:04 68.13,-122.13 88.92 01/16/2019 20:02:55 68.14,-122.15 88.94 1.43 69
9 01/19/2019 10:39:33 68.38, 18.70 88.66 01/19/2019 10:40:25 68.39, 18.76 88.67 3.20 52
10 01/19/2019 11:30:14 -68.22,-173.79 91.51 01/19/2019 11:29:56 -68.24,-173.79 91.50 1.58 18
11 01/19/2019 12:20:44 67.36, -5.41 87.59 01/19/2019 12:19:36 67.39, -7.12 87.67 73.47 68
12 01/22/2019 02:56:25 68.31, 134.57 88.00 01/22/2019 02:56:53 68.29, 134.53 87.99 2.00 28
13 01/22/2019 03:47:07 -68.21, -57.99 92.11 01/22/2019 03:46:23 -68.20, -57.96 92.12 1.84 44

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/10/2019
SNOs_Map_NPP_TERRA_20190110.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/10/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service