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: 10/19/2019
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 10/21/2019 02:05:49 -68.81, -33.30 100.75 10/21/2019 02:07:00 -68.70, -32.72 100.85 27.02 71
2 10/21/2019 02:56:28 68.42, 134.53 78.88 10/21/2019 02:56:30 68.42, 134.59 78.88 2.46 2
3 10/21/2019 03:47:09 -68.28, -57.98 101.24 10/21/2019 03:46:01 -68.26, -57.97 101.28 3.26 68
4 10/23/2019 18:22:37 -68.47, 82.92 100.14 10/23/2019 18:23:34 -68.45, 82.86 100.16 3.65 57
5 10/23/2019 19:13:21 68.34,-109.61 79.76 10/23/2019 19:13:01 68.33,-109.64 79.74 2.00 20
6 10/23/2019 20:03:51 -67.62, 58.62 100.95 10/23/2019 20:02:41 -67.67, 57.22 100.92 59.24 70
7 10/26/2019 10:39:31 -68.45,-161.29 99.23 10/26/2019 10:40:04 -68.44,-161.28 99.24 1.02 33
8 10/26/2019 11:30:15 68.33, 6.18 80.67 10/26/2019 11:29:31 68.32, 6.22 80.66 1.79 44
9 10/29/2019 02:05:49 68.84, 146.64 82.06 10/29/2019 02:07:00 68.77, 147.37 82.00 30.17 71
10 10/29/2019 02:56:24 -68.38, -45.43 98.39 10/29/2019 02:56:35 -68.40, -45.45 98.37 2.58 11
11 10/29/2019 03:47:08 68.26, 122.04 81.50 10/29/2019 03:46:02 68.28, 122.04 81.52 2.08 66
12 10/31/2019 18:22:35 68.46, -97.07 82.55 10/31/2019 18:23:35 68.47, -97.13 82.57 2.96 60
13 10/31/2019 19:13:17 -68.37, 70.36 97.53 10/31/2019 19:13:05 -68.38, 70.39 97.51 2.09 12
14 10/31/2019 20:03:51 67.71,-121.51 81.84 10/31/2019 20:02:41 67.75,-122.70 81.86 50.75 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/19/2019
SNOs_Map_NPP_TERRA_20191019.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/19/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service