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: 10/25/2017
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 10/25/2017 18:22:58 68.48, -97.15 80.73 10/25/2017 18:24:02 68.48, -97.12 80.74 1.32 64
2 10/25/2017 19:13:39 -68.35, 70.33 99.38 10/25/2017 19:13:33 -68.33, 70.33 99.41 2.93 6
3 10/25/2017 20:04:17 67.89,-121.78 80.18 10/25/2017 20:03:05 67.93,-122.50 80.20 30.53 72
4 10/28/2017 10:39:52 68.42, 18.69 81.59 10/28/2017 10:40:31 68.45, 18.73 81.62 3.38 39
5 10/28/2017 11:30:33 -68.30,-173.83 98.53 10/28/2017 11:30:02 -68.30,-173.82 98.53 0.28 31
6 10/31/2017 02:06:14 -69.20, -33.89 96.79 10/31/2017 02:07:22 -69.10, -32.23 96.86 66.91 68
7 10/31/2017 02:56:45 68.37, 134.52 82.42 10/31/2017 02:57:00 68.36, 134.50 82.41 1.49 15
8 10/31/2017 03:47:26 -68.24, -57.99 97.70 10/31/2017 03:46:30 -68.27, -57.98 97.68 2.87 56
9 11/02/2017 18:22:55 -68.45, 82.88 96.67 11/02/2017 18:24:02 -68.45, 82.85 96.66 1.18 67
10 11/02/2017 19:13:39 68.33,-109.65 83.23 11/02/2017 19:13:29 68.33,-109.66 83.22 0.22 10
11 11/02/2017 20:04:15 -67.92, 58.18 97.16 11/02/2017 20:03:03 -68.01, 57.60 97.09 26.05 72
12 11/05/2017 10:39:49 -68.40,-161.29 95.89 11/05/2017 10:40:31 -68.42,-161.31 95.88 1.54 42
13 11/05/2017 11:30:33 68.28, 6.17 84.01 11/05/2017 11:29:58 68.29, 6.18 84.01 0.97 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/25/2017
SNOs_Map_NPP_TERRA_20171025.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/25/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service