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: 3/27/2019
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 03/27/2019 04:37:16 67.96, 109.72 65.39 03/27/2019 04:36:04 68.00, 109.40 65.44 14.11 72
2 03/29/2019 19:12:45 68.32,-109.57 64.73 03/29/2019 19:13:30 68.33,-109.59 64.74 2.04 45
3 03/29/2019 20:03:26 -68.19, 57.91 115.42 03/29/2019 20:03:01 -68.17, 57.85 115.43 3.14 25
4 04/01/2019 10:39:07 -69.12,-162.18 115.47 04/01/2019 10:40:15 -69.01,-160.49 115.62 68.29 68
5 04/01/2019 11:29:37 68.25, 6.30 63.62 04/01/2019 11:29:53 68.27, 6.24 63.64 3.39 16
6 04/01/2019 12:20:19 -68.17, 173.72 116.48 04/01/2019 12:19:23 -68.17, 173.76 116.48 1.63 56
7 04/04/2019 02:55:46 -68.36, -45.38 117.29 04/04/2019 02:56:45 -68.35, -45.38 117.31 1.20 59
8 04/04/2019 03:46:30 68.24, 122.09 62.58 04/04/2019 03:46:12 68.21, 122.10 62.55 2.71 18
9 04/04/2019 04:37:01 -67.56, -69.75 118.13 04/04/2019 04:35:51 -67.61, -70.97 118.06 51.80 70
10 04/06/2019 18:22:10 69.13, -97.95 62.50 04/06/2019 18:23:18 69.07, -96.18 62.40 70.54 68
11 04/06/2019 19:12:38 -68.29, 70.49 118.38 04/06/2019 19:13:00 -68.30, 70.49 118.38 0.59 22
12 04/06/2019 20:03:22 68.17,-122.05 61.49 04/06/2019 20:02:27 68.15,-122.03 61.47 2.41 55
13 04/09/2019 10:38:47 68.32, 18.92 60.66 04/09/2019 10:39:40 68.34, 18.88 60.68 3.16 53
14 04/09/2019 11:29:29 -68.23,-173.65 119.45 04/09/2019 11:29:10 -68.24,-173.61 119.43 2.56 19
15 04/09/2019 12:19:58 67.30, -5.20 59.60 04/09/2019 12:18:50 67.37, -6.97 59.69 76.05 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/27/2019
SNOs_Map_NPP_TERRA_20190327.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/27/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service