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: 10/9/2019
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 10/10/2019 09:49:13 69.55, 29.92 76.04 10/10/2019 09:50:19 69.42, 32.34 75.94 95.50 66
2 10/10/2019 10:39:36 -68.45,-161.26 105.04 10/10/2019 10:40:04 -68.47,-161.23 105.02 3.15 28
3 10/10/2019 11:30:20 68.32, 6.21 74.85 10/10/2019 11:29:32 68.31, 6.22 74.83 1.70 48
4 10/13/2019 02:05:50 68.66, 146.91 76.17 10/13/2019 02:07:01 68.62, 147.20 76.14 12.56 71
5 10/13/2019 02:56:29 -68.42, -45.45 104.06 10/13/2019 02:56:33 -68.40, -45.44 104.07 1.32 4
6 10/13/2019 03:47:13 68.29, 122.02 75.84 10/13/2019 03:46:00 68.29, 122.07 75.83 2.36 73
7 10/15/2019 18:22:41 68.47, -97.08 76.99 10/15/2019 18:23:32 68.49, -97.09 77.00 1.84 51
8 10/15/2019 19:13:23 -68.39, 70.35 103.09 10/15/2019 19:13:02 -68.39, 70.42 103.09 2.73 21
9 10/15/2019 20:03:51 67.40,-121.12 75.96 10/15/2019 20:02:43 67.49,-122.98 76.01 80.07 68
10 10/18/2019 10:39:35 68.45, 18.72 77.94 10/18/2019 10:40:01 68.47, 18.76 77.96 2.52 26
11 10/18/2019 11:30:16 -68.31,-173.77 102.19 10/18/2019 11:29:32 -68.31,-173.79 102.19 1.13 44
12 10/21/2019 02:05:49 -68.76, -33.22 100.80 10/21/2019 02:07:01 -68.67, -32.75 100.88 20.99 72
13 10/21/2019 02:56:28 68.37, 134.59 78.84 10/21/2019 02:56:31 68.38, 134.54 78.85 2.57 3
14 10/21/2019 03:47:09 -68.28, -57.97 101.25 10/21/2019 03:46:00 -68.29, -57.94 101.24 1.58 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/9/2019
SNOs_Map_NPP_TERRA_20191009.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/09/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service