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: 8/14/2019
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 08/15/2019 10:39:39 68.42, 18.66 54.26 08/15/2019 10:40:14 68.40, 18.73 54.24 3.57 35
2 08/15/2019 11:30:19 -68.23,-173.78 125.92 08/15/2019 11:29:45 -68.23,-173.84 125.92 2.50 34
3 08/18/2019 02:05:59 -68.99, -33.65 124.31 08/18/2019 02:07:09 -68.86, -32.46 124.47 49.78 70
4 08/18/2019 02:56:33 68.34, 134.54 55.03 08/18/2019 02:56:44 68.31, 134.51 55.00 3.16 11
5 08/18/2019 03:47:14 -68.20, -57.97 125.11 08/18/2019 03:46:14 -68.20, -57.99 125.10 1.04 60
6 08/20/2019 18:22:44 -68.43, 82.88 124.02 08/20/2019 18:23:45 -68.44, 82.90 124.01 1.83 61
7 08/20/2019 19:13:27 68.26,-109.59 55.82 08/20/2019 19:13:13 68.28,-109.65 55.84 3.13 14
8 08/20/2019 20:04:01 -67.74, 58.38 124.70 08/20/2019 20:02:50 -67.78, 57.40 124.64 41.45 71
9 08/23/2019 10:39:38 -68.41,-161.32 123.15 08/23/2019 10:40:13 -68.41,-161.25 123.15 2.70 35
10 08/23/2019 11:30:21 68.24, 6.21 56.69 08/23/2019 11:29:41 68.24, 6.19 56.70 0.99 40
11 08/26/2019 02:05:57 68.80, 146.61 58.16 08/26/2019 02:07:08 68.70, 147.35 58.05 31.85 71
12 08/26/2019 02:56:32 -68.33, -45.45 122.32 08/26/2019 02:56:43 -68.32, -45.48 122.33 1.70 11
13 08/26/2019 03:47:16 68.22, 122.01 57.59 08/26/2019 03:46:10 68.21, 122.02 57.58 1.52 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/14/2019
SNOs_Map_NPP_TERRA_20190814.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/14/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service