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: 8/6/2019
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 08/07/2019 10:39:36 -68.38,-161.29 128.14 08/07/2019 10:40:18 -68.36,-161.32 128.16 2.13 42
2 08/07/2019 11:30:20 68.25, 6.19 51.74 08/07/2019 11:29:45 68.25, 6.20 51.75 0.97 35
3 08/10/2019 02:06:00 69.02, 146.31 53.27 08/10/2019 02:07:09 68.90, 147.59 53.12 52.60 69
4 08/10/2019 02:56:31 -68.34, -45.47 127.41 08/10/2019 02:56:47 -68.34, -45.46 127.42 0.34 16
5 08/10/2019 03:47:15 68.22, 122.00 52.47 08/10/2019 03:46:14 68.23, 122.05 52.49 2.74 61
6 08/12/2019 18:22:45 68.45, -97.16 53.48 08/12/2019 18:23:46 68.43, -97.12 53.45 3.23 61
7 08/12/2019 19:13:26 -68.31, 70.34 126.66 08/12/2019 19:13:16 -68.32, 70.39 126.65 2.18 10
8 08/12/2019 20:04:01 67.70,-121.59 52.73 08/12/2019 20:02:51 67.76,-122.62 52.82 44.22 70
9 08/15/2019 10:39:38 68.37, 18.72 54.22 08/15/2019 10:40:14 68.40, 18.73 54.24 3.12 36
10 08/15/2019 11:30:19 -68.23,-173.78 125.92 08/15/2019 11:29:45 -68.24,-173.83 125.91 2.56 34
11 08/18/2019 02:05:59 -68.99, -33.65 124.31 08/18/2019 02:07:09 -68.87, -32.45 124.46 49.80 70
12 08/18/2019 02:56:33 68.35, 134.52 55.04 08/18/2019 02:56:43 68.37, 134.57 55.06 3.14 10
13 08/18/2019 03:47:14 -68.20, -57.97 125.11 08/18/2019 03:46:14 -68.21, -57.99 125.09 1.50 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/6/2019
SNOs_Map_NPP_TERRA_20190806.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/06/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service