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: 10/14/2017
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 10/15/2017 02:06:16 -69.51, -34.29 102.07 10/15/2017 02:07:22 -69.42, -31.87 102.12 94.97 66
2 10/15/2017 02:56:41 68.42, 134.51 76.87 10/15/2017 02:57:04 68.42, 134.51 76.87 0.60 23
3 10/15/2017 03:47:22 -68.29, -58.01 103.25 10/15/2017 03:46:34 -68.31, -57.99 103.23 2.34 48
4 10/17/2017 18:22:51 -68.61, 82.72 101.97 10/17/2017 18:24:03 -68.59, 82.96 101.99 9.91 72
5 10/17/2017 19:13:33 68.37,-109.66 77.81 10/17/2017 19:13:32 68.37,-109.66 77.81 0.62 1
6 10/17/2017 20:04:14 -68.25, 57.82 102.30 10/17/2017 20:03:02 -68.26, 57.84 102.30 1.24 72
7 10/20/2017 10:39:41 -68.49,-161.34 101.12 10/20/2017 10:40:32 -68.47,-161.30 101.14 2.47 51
8 10/20/2017 11:30:24 68.31, 6.21 78.71 10/20/2017 11:30:00 68.31, 6.15 78.71 2.58 24
9 10/20/2017 12:20:51 -67.43, 174.62 102.14 10/20/2017 12:19:43 -67.47, 172.81 102.13 77.13 68
10 10/23/2017 02:06:08 69.49, 145.76 80.81 10/23/2017 02:07:14 69.41, 148.14 80.76 93.35 66
11 10/23/2017 02:56:31 -68.40, -45.43 100.27 10/23/2017 02:57:00 -68.40, -45.50 100.26 2.73 29
12 10/23/2017 03:47:15 68.27, 122.04 79.62 10/23/2017 03:46:27 68.29, 122.01 79.64 3.15 48
13 10/25/2017 18:22:44 68.67, -97.34 80.93 10/25/2017 18:23:55 68.60, -97.00 80.87 15.62 71
14 10/25/2017 19:13:21 -68.38, 70.36 99.35 10/25/2017 19:13:26 -68.38, 70.36 99.35 0.32 5
15 10/25/2017 20:04:05 68.26,-122.16 80.54 10/25/2017 20:02:53 68.27,-122.13 80.55 2.20 72
16 10/28/2017 10:39:30 68.48, 18.71 81.64 10/28/2017 10:40:23 68.46, 18.71 81.63 1.66 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/14/2017
SNOs_Map_NPP_TERRA_20171004.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/14/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service