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: 10/1/2017
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 10/01/2017 18:23:00 -68.72, 82.60 107.92 10/01/2017 18:24:12 -68.64, 83.02 107.99 19.06 72
2 10/01/2017 19:13:40 68.37,-109.63 71.75 10/01/2017 19:13:42 68.36,-109.68 71.74 1.98 2
3 10/01/2017 20:04:21 -68.24, 57.85 108.37 10/01/2017 20:03:12 -68.26, 57.83 108.36 1.74 69
4 10/04/2017 10:39:51 -68.48,-161.31 107.13 10/04/2017 10:40:43 -68.46,-161.32 107.14 1.64 52
5 10/04/2017 11:30:35 68.34, 6.17 72.76 10/04/2017 11:30:10 68.34, 6.18 72.76 0.65 25
6 10/04/2017 12:21:02 -67.46, 174.58 108.10 10/04/2017 12:19:53 -67.51, 172.85 108.07 73.73 69
7 10/07/2017 02:06:20 69.38, 145.90 74.79 10/07/2017 02:07:27 69.31, 148.00 74.75 82.76 67
8 10/07/2017 02:56:46 -68.44, -45.51 106.13 10/07/2017 02:57:11 -68.43, -45.48 106.14 2.21 25
9 10/07/2017 03:47:30 68.31, 121.97 73.76 10/07/2017 03:46:38 68.31, 122.02 73.75 2.35 52
10 10/09/2017 18:22:59 68.49, -97.13 74.94 10/09/2017 18:24:09 68.48, -97.16 74.93 1.74 70
11 10/09/2017 19:13:40 -68.36, 70.36 105.19 10/09/2017 19:13:39 -68.38, 70.35 105.17 2.48 1
12 10/09/2017 20:04:21 68.07,-121.96 74.54 10/09/2017 20:03:08 68.15,-122.28 74.61 16.12 73
13 10/12/2017 10:39:53 68.47, 18.67 75.92 10/12/2017 10:40:35 68.48, 18.72 75.93 2.25 42
14 10/12/2017 11:30:34 -68.33,-173.84 104.21 10/12/2017 11:30:06 -68.32,-173.84 104.22 1.06 28
15 10/15/2017 02:06:17 -69.26, -33.95 102.32 10/15/2017 02:07:25 -69.13, -32.22 102.42 69.64 68
16 10/15/2017 02:56:47 68.39, 134.54 76.84 10/15/2017 02:57:03 68.40, 134.51 76.85 1.79 16

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/1/2017
SNOs_Map_NPP_TERRA_20171001.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/01/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service