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: 8/10/2019
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 08/10/2019 03:47:15 68.21, 122.01 52.46 08/10/2019 03:46:14 68.23, 122.05 52.49 3.35 61
2 08/12/2019 18:22:44 68.44, -97.15 53.47 08/12/2019 18:23:45 68.42, -97.12 53.44 2.65 61
3 08/12/2019 19:13:25 -68.31, 70.35 126.66 08/12/2019 19:13:15 -68.31, 70.38 126.66 1.30 10
4 08/12/2019 20:04:00 67.69,-121.58 52.73 08/12/2019 20:02:50 67.75,-122.63 52.81 44.84 70
5 08/15/2019 10:39:38 68.36, 18.73 54.21 08/15/2019 10:40:14 68.39, 18.71 54.23 2.44 36
6 08/15/2019 11:30:20 -68.28,-173.84 125.87 08/15/2019 11:29:44 -68.28,-173.78 125.87 2.43 36
7 08/18/2019 02:05:59 -68.99, -33.65 124.31 08/18/2019 02:07:09 -68.84, -32.49 124.49 49.31 70
8 08/18/2019 02:56:33 68.34, 134.53 55.03 08/18/2019 02:56:43 68.34, 134.54 55.03 0.62 10
9 08/18/2019 03:47:14 -68.19, -57.97 125.11 08/18/2019 03:46:14 -68.18, -58.02 125.12 2.75 60
10 08/20/2019 18:22:44 -68.43, 82.88 124.02 08/20/2019 18:23:45 -68.41, 82.86 124.05 2.64 61
11 08/20/2019 19:13:28 68.32,-109.67 55.88 08/20/2019 19:13:12 68.29,-109.63 55.85 2.99 16
12 08/20/2019 20:04:01 -67.74, 58.38 124.70 08/20/2019 20:02:50 -67.74, 57.36 124.68 43.08 71
13 08/23/2019 10:39:38 -68.41,-161.32 123.15 08/23/2019 10:40:12 -68.41,-161.26 123.15 2.71 34
14 08/23/2019 11:30:21 68.24, 6.20 56.70 08/23/2019 11:29:40 68.24, 6.18 56.69 0.80 41

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/10/2019
SNOs_Map_NPP_TERRA_20190810.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/10/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service