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: 9/27/2019
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 09/29/2019 18:22:45 68.45, -97.11 70.85 09/29/2019 18:23:35 68.44, -97.12 70.85 1.01 50
2 09/29/2019 19:13:26 -68.31, 70.39 109.28 09/29/2019 19:13:05 -68.33, 70.38 109.26 2.85 21
3 09/29/2019 20:03:54 67.32,-121.08 69.76 09/29/2019 20:02:47 67.38,-123.07 69.80 85.27 67
4 10/02/2019 10:39:38 68.41, 18.73 71.85 10/02/2019 10:40:04 68.38, 18.69 71.82 2.99 26
5 10/02/2019 11:30:19 -68.26,-173.77 108.29 10/02/2019 11:29:34 -68.28,-173.81 108.27 2.62 45
6 10/05/2019 02:05:52 -68.69, -33.18 106.85 10/05/2019 02:07:04 -68.60, -32.82 106.94 17.56 72
7 10/05/2019 02:56:32 68.36, 134.56 72.84 10/05/2019 02:56:33 68.37, 134.55 72.85 1.51 1
8 10/05/2019 03:47:14 -68.27, -58.00 107.25 10/05/2019 03:46:03 -68.27, -57.94 107.24 2.62 71
9 10/07/2019 18:22:43 -68.48, 82.87 106.03 10/07/2019 18:23:35 -68.48, 82.91 106.03 1.75 52
10 10/07/2019 19:13:26 68.32,-109.61 73.83 10/07/2019 19:13:03 68.30,-109.66 73.81 2.60 23
11 10/07/2019 20:03:54 -67.47, 58.77 107.00 10/07/2019 20:02:45 -67.53, 57.09 106.96 71.90 69
12 10/10/2019 09:49:13 69.50, 29.93 76.00 10/10/2019 09:50:19 69.39, 32.32 75.92 94.01 66
13 10/10/2019 10:39:36 -68.39,-161.23 105.10 10/10/2019 10:40:05 -68.41,-161.30 105.08 3.67 29
14 10/10/2019 11:30:20 68.28, 6.22 74.81 10/10/2019 11:29:32 68.28, 6.20 74.81 1.30 48

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/27/2019
SNOs_Map_NPP_TERRA_20190927.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/27/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service