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: 8/11/2019
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 08/12/2019 18:22:44 68.44, -97.14 53.47 08/12/2019 18:23:45 68.43, -97.11 53.45 1.71 61
2 08/12/2019 19:13:25 -68.31, 70.35 126.66 08/12/2019 19:13:15 -68.32, 70.39 126.65 2.27 10
3 08/12/2019 20:04:01 67.74,-121.64 52.78 08/12/2019 20:02:50 67.76,-122.62 52.82 41.27 71
4 08/15/2019 10:39:38 68.36, 18.73 54.21 08/15/2019 10:40:15 68.35, 18.67 54.19 2.76 37
5 08/15/2019 11:30:19 -68.22,-173.77 125.93 08/15/2019 11:29:45 -68.24,-173.83 125.91 3.23 34
6 08/18/2019 02:05:59 -68.99, -33.64 124.32 08/18/2019 02:07:09 -68.88, -32.44 124.46 49.37 70
7 08/18/2019 02:56:33 68.33, 134.54 55.02 08/18/2019 02:56:44 68.32, 134.52 55.01 1.54 11
8 08/18/2019 03:47:14 -68.19, -57.96 125.12 08/18/2019 03:46:14 -68.21, -57.98 125.09 2.83 60
9 08/20/2019 18:22:44 -68.42, 82.88 124.03 08/20/2019 18:23:46 -68.41, 82.85 124.05 2.29 62
10 08/20/2019 19:13:28 68.31,-109.66 55.87 08/20/2019 19:13:13 68.29,-109.64 55.85 2.00 15
11 08/20/2019 20:04:01 -67.73, 58.39 124.71 08/20/2019 20:02:50 -67.80, 57.42 124.63 41.49 71
12 08/23/2019 10:39:38 -68.40,-161.31 123.16 08/23/2019 10:40:14 -68.38,-161.30 123.18 2.08 36
13 08/23/2019 11:30:21 68.23, 6.21 56.69 08/23/2019 11:29:41 68.26, 6.21 56.72 3.43 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/11/2019
SNOs_Map_NPP_TERRA_20190811.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/11/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service