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: 8/5/2017
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 08/06/2017 19:13:00 -68.35, 70.42 128.21 08/06/2017 19:13:44 -68.36, 70.36 128.21 2.48 44
2 08/06/2017 20:03:44 68.23,-122.12 51.68 08/06/2017 20:03:11 68.24,-122.13 51.69 1.02 33
3 08/09/2017 10:39:27 69.06, 17.91 53.27 08/09/2017 10:40:36 68.94, 19.32 53.12 57.59 69
4 08/09/2017 11:29:57 -68.32,-173.78 127.49 08/09/2017 11:30:15 -68.34,-173.79 127.47 2.05 18
5 08/09/2017 12:20:41 68.20, -6.32 52.41 08/09/2017 12:19:42 68.22, -6.29 52.43 2.44 59
6 08/12/2017 02:56:13 68.44, 134.51 53.42 08/12/2017 02:57:16 68.43, 134.56 53.40 2.49 63
7 08/12/2017 03:46:54 -68.29, -57.97 126.73 08/12/2017 03:46:47 -68.28, -58.00 126.74 1.67 7
8 08/12/2017 04:37:31 67.80, 109.95 52.78 08/12/2017 04:36:20 67.82, 109.12 52.83 35.06 71
9 08/14/2017 19:13:08 68.36,-109.62 54.16 08/14/2017 19:13:47 68.38,-109.63 54.17 1.97 39
10 08/14/2017 20:03:50 -68.26, 57.83 125.94 08/14/2017 20:03:17 -68.28, 57.88 125.92 3.51 33
11 08/17/2017 10:39:33 -69.08,-162.13 124.27 08/17/2017 10:40:42 -69.02,-160.62 124.37 60.70 69
12 08/17/2017 11:30:05 68.34, 6.17 54.98 08/17/2017 11:30:19 68.34, 6.19 54.98 1.00 14
13 08/17/2017 12:20:46 -68.18, 173.70 125.18 08/17/2017 12:19:50 -68.19, 173.64 125.16 2.75 56

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/5/2017
SNOs_Map_NPP_TERRA_20170806.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/05/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service