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: 9/28/2019
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 68.48, -97.06 70.88 09/29/2019 18:23:34 68.50, -97.05 70.90 1.69 49
2 09/29/2019 19:13:26 -68.34, 70.44 109.25 09/29/2019 19:13:05 -68.33, 70.38 109.26 2.80 21
3 09/29/2019 20:03:54 67.35,-121.03 69.79 09/29/2019 20:02:47 67.38,-123.07 69.80 87.21 67
4 10/02/2019 09:49:14 -69.57,-150.10 107.00 10/02/2019 09:50:20 -69.49,-147.55 107.06 99.68 66
5 10/02/2019 10:39:39 68.44, 18.76 71.89 10/02/2019 10:40:04 68.44, 18.76 71.89 0.13 25
6 10/02/2019 11:30:19 -68.30,-173.74 108.25 10/02/2019 11:29:34 -68.28,-173.80 108.27 3.29 45
7 10/05/2019 02:05:52 -68.73, -33.17 106.81 10/05/2019 02:07:03 -68.67, -32.73 106.87 18.99 71
8 10/05/2019 02:56:32 68.40, 134.57 72.88 10/05/2019 02:56:33 68.39, 134.57 72.87 1.85 1
9 10/05/2019 03:47:13 -68.26, -57.92 107.25 10/05/2019 03:46:03 -68.28, -57.92 107.23 3.01 70
10 10/07/2019 18:22:42 -68.48, 82.93 106.03 10/07/2019 18:23:35 -68.50, 82.94 106.00 2.62 53
11 10/07/2019 19:13:26 68.37,-109.62 73.88 10/07/2019 19:13:02 68.39,-109.56 73.89 3.08 24
12 10/07/2019 20:03:54 -67.52, 58.76 106.95 10/07/2019 20:02:45 -67.56, 57.11 106.93 69.96 69
13 10/10/2019 09:49:13 69.56, 29.90 76.06 10/10/2019 09:50:19 69.43, 32.37 75.96 97.23 66
14 10/10/2019 10:39:36 -68.45,-161.26 105.04 10/10/2019 10:40:05 -68.45,-161.25 105.04 0.45 29
15 10/10/2019 11:30:20 68.33, 6.20 74.87 10/10/2019 11:29:32 68.33, 6.25 74.85 2.25 48

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/28/2019
SNOs_Map_NPP_TERRA_20190928.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/28/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service