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: 4/21/2019
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 04/22/2019 19:12:44 -68.33, 70.42 124.08 04/22/2019 19:13:37 -68.35, 70.39 124.07 1.95 53
2 04/22/2019 20:03:28 68.20,-122.11 55.78 04/22/2019 20:03:05 68.19,-122.15 55.77 2.10 23
3 04/22/2019 20:53:56 -67.37, 46.24 125.08 04/22/2019 20:52:47 -67.40, 44.58 125.03 71.01 69
4 04/25/2019 10:39:16 69.32, 17.53 56.05 04/25/2019 10:40:23 69.23, 19.74 55.94 87.48 67
5 04/25/2019 11:29:41 -68.32,-173.80 124.98 04/25/2019 11:30:07 -68.33,-173.75 124.97 2.65 26
6 04/25/2019 12:20:25 68.19, -6.34 54.89 04/25/2019 12:19:35 68.17, -6.29 54.87 2.85 50
7 04/28/2019 02:55:55 68.39, 134.55 54.25 04/28/2019 02:57:07 68.37, 134.54 54.23 2.06 72
8 04/28/2019 03:46:36 -68.25, -57.95 125.91 04/28/2019 03:46:37 -68.26, -57.96 125.90 1.82 1
9 04/28/2019 04:37:18 68.02, 109.65 53.85 04/28/2019 04:36:06 68.04, 109.43 53.88 9.59 72
10 04/30/2019 19:12:52 68.38,-109.67 53.40 04/30/2019 19:13:37 68.36,-109.60 53.38 3.45 45
11 04/30/2019 20:03:33 -68.23, 57.84 126.77 04/30/2019 20:03:08 -68.19, 57.84 126.80 3.48 25
12 04/30/2019 20:53:58 67.08,-133.46 52.08 04/30/2019 20:52:52 67.13,-135.73 52.14 98.27 66
13 05/03/2019 10:39:20 -69.27,-162.42 126.49 05/03/2019 10:40:27 -69.18,-160.35 126.60 82.44 67
14 05/03/2019 11:29:48 68.30, 6.19 52.52 05/03/2019 11:30:08 68.29, 6.19 52.51 1.47 20
15 05/03/2019 12:20:30 -68.20, 173.63 127.59 05/03/2019 12:19:38 -68.18, 173.70 127.61 3.35 52

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/21/2019
SNOs_Map_NPP_TERRA_20190421.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/21/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service