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: 10/24/2019
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 10/26/2019 10:39:31 -68.45,-161.29 99.23 10/26/2019 10:40:03 -68.43,-161.26 99.25 2.64 32
2 10/26/2019 11:30:15 68.32, 6.19 80.66 10/26/2019 11:29:30 68.32, 6.25 80.65 2.55 45
3 10/29/2019 02:05:48 68.79, 146.72 82.00 10/29/2019 02:06:59 68.70, 147.32 81.93 25.75 71
4 10/29/2019 02:56:24 -68.38, -45.43 98.39 10/29/2019 02:56:33 -68.38, -45.45 98.40 0.84 9
5 10/29/2019 03:47:08 68.25, 122.04 81.50 10/29/2019 03:46:00 68.26, 122.06 81.50 0.72 68
6 10/31/2019 18:22:35 68.45, -97.07 82.55 10/31/2019 18:23:31 68.47, -97.08 82.57 2.61 56
7 10/31/2019 19:13:16 -68.32, 70.43 97.58 10/31/2019 19:13:02 -68.32, 70.37 97.58 2.63 14
8 10/31/2019 20:03:49 67.60,-121.37 81.73 10/31/2019 20:02:39 67.64,-122.78 81.74 60.20 70
9 11/03/2019 10:39:29 68.44, 18.71 83.39 11/03/2019 10:40:01 68.41, 18.72 83.36 3.46 32
10 11/03/2019 11:30:10 -68.30,-173.79 96.74 11/03/2019 11:29:31 -68.32,-173.76 96.73 1.89 39
11 11/06/2019 02:05:47 -68.98, -33.55 95.27 11/06/2019 02:06:57 -68.86, -32.49 95.37 44.45 70
12 11/06/2019 02:56:22 68.38, 134.56 84.15 11/06/2019 02:56:30 68.40, 134.59 84.17 2.39 8
13 11/06/2019 03:47:03 -68.24, -57.94 95.98 11/06/2019 03:46:01 -68.25, -57.96 95.97 1.42 62

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/24/2019
SNOs_Map_NPP_TERRA_20191024.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/24/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service