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: 10/20/2017
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 10/20/2017 10:39:51 -68.44,-161.30 101.18 10/20/2017 10:40:35 -68.41,-161.34 101.20 3.22 44
2 10/20/2017 11:30:35 68.30, 6.18 78.70 10/20/2017 11:30:02 68.29, 6.16 78.69 1.18 33
3 10/23/2017 02:06:14 69.09, 146.27 80.41 10/23/2017 02:07:23 69.00, 147.64 80.34 55.38 69
4 10/23/2017 02:56:44 -68.37, -45.46 100.29 10/23/2017 02:57:02 -68.40, -45.48 100.26 3.09 18
5 10/23/2017 03:47:29 68.29, 121.96 79.65 10/23/2017 03:46:29 68.28, 122.02 79.63 3.05 60
6 10/25/2017 18:22:58 68.49, -97.17 80.75 10/25/2017 18:24:00 68.49, -97.11 80.76 2.38 62
7 10/25/2017 19:13:39 -68.36, 70.32 99.37 10/25/2017 19:13:31 -68.34, 70.34 99.39 2.29 8
8 10/25/2017 20:04:15 67.80,-121.66 80.09 10/25/2017 20:03:04 67.88,-122.56 80.15 38.74 71
9 10/28/2017 10:39:52 68.44, 18.67 81.60 10/28/2017 10:40:29 68.45, 18.72 81.62 2.48 37
10 10/28/2017 11:30:33 -68.30,-173.84 98.52 10/28/2017 11:30:00 -68.30,-173.83 98.53 0.31 33
11 10/31/2017 02:06:13 -69.09, -33.75 96.89 10/31/2017 02:07:23 -68.99, -32.37 96.96 55.92 70
12 10/31/2017 02:56:46 68.38, 134.51 82.43 10/31/2017 02:56:59 68.37, 134.50 82.41 1.96 13
13 10/31/2017 03:47:27 -68.24, -58.00 97.70 10/31/2017 03:46:29 -68.27, -57.98 97.68 3.35 58
14 11/02/2017 18:22:55 -68.45, 82.88 96.67 11/02/2017 18:24:00 -68.48, 82.86 96.64 3.09 65
15 11/02/2017 19:13:39 68.33,-109.66 83.23 11/02/2017 19:13:27 68.35,-109.65 83.25 2.24 12
16 11/02/2017 20:04:15 -67.92, 58.18 97.17 11/02/2017 20:03:03 -67.92, 57.48 97.18 29.07 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/20/2017
SNOs_Map_NPP_TERRA_20171020.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/20/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service