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: 8/9/2017
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 08/12/2017 02:56:12 68.41, 134.56 53.39 08/12/2017 02:57:15 68.38, 134.51 53.36 3.29 63
2 08/12/2017 03:46:53 -68.25, -57.93 126.76 08/12/2017 03:46:45 -68.27, -57.99 126.74 3.19 8
3 08/12/2017 04:37:30 67.76, 110.00 52.75 08/12/2017 04:36:19 67.77, 109.07 52.78 39.10 71
4 08/14/2017 19:13:09 68.38,-109.65 54.18 08/14/2017 19:13:45 68.38,-109.62 54.17 1.18 36
5 08/14/2017 20:03:50 -68.23, 57.87 125.97 08/14/2017 20:03:16 -68.22, 57.82 125.98 2.06 34
6 08/17/2017 10:39:30 -68.95,-161.95 124.41 08/17/2017 10:40:40 -68.88,-160.77 124.51 47.55 70
7 08/17/2017 11:30:04 68.30, 6.22 54.94 08/17/2017 11:30:15 68.32, 6.19 54.96 2.62 11
8 08/17/2017 12:20:46 -68.20, 173.67 125.16 08/17/2017 12:19:45 -68.22, 173.70 125.14 2.44 61
9 08/20/2017 02:56:18 -68.44, -45.51 124.06 08/20/2017 02:57:18 -68.43, -45.45 124.08 2.51 60
10 08/20/2017 03:47:01 68.28, 122.01 55.79 08/20/2017 03:46:46 68.26, 121.99 55.77 2.23 15
11 08/20/2017 04:37:34 -67.69, -69.94 124.80 08/20/2017 04:36:23 -67.77, -70.95 124.71 43.78 71
12 08/22/2017 19:13:14 -68.37, 70.35 123.25 08/22/2017 19:13:49 -68.37, 70.35 123.25 0.55 35
13 08/22/2017 20:03:58 68.26,-122.20 56.66 08/22/2017 20:03:16 68.26,-122.14 56.65 2.49 42

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/9/2017
SNOs_Map_NPP_TERRA_20170810.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/09/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service